For axial load only (F16C17/04)

Front friction heating bearing with registration of its operation regimes // 2628547
FIELD: machine engineering.SUBSTANCE: thrust bearing oil film to the registration of its operating modes comprises an annular heel (8) and an annular thrust bearing (10) disposed in the housing (11) of the machine. Heel (8) has a smooth work hardened surface, while the thrust of the working surface (10) are protruding rollers (13) of the small needle martensite friction, side surfaces of which form wedges together with the heel (8). Rollers (13) are arranged on the working surface radii, spaced apart at a distance L = (1.5÷3) h at the minimum diameter of thrust bearing (10), where h - the width of the bead (13). The spherical annular thrust bearing surface zone (10) between the working side rollers (13) are located "abradable thermocouple" (15) protruding above the surface of the thrust bearing (10) by an amount equal to the height of the cylinder (13).EFFECT: creation of the thrust bearing fluid friction, which allows very quickly to register the temperature in the contact zone between the heel and thrust, instantly diagnose its operating modes - fluid friction and mixed friction.4 dwg

Plain thrust bearing and device containing combination of plain thrust bearing and piston rod // 2615818
FIELD: machine building.SUBSTANCE: invention relates to plain thrust bearing, in particular to plain thrust bearing, intended for use as sliding bearing for post-type suspension (Mcpherson suspension) in four-wheel vehicle and to combined device of plain thrust bearing and piston rod. Plain thrust bearing (1) comprises body (2) of synthetic resin with ring-shaped upper surface (5), acting as sliding surface, ring-shaped metal plate (4) resting on ring-shaped upper surface (5) with possibility of free rotation about body (2) in circumferential direction (R) around central axis (O), and circular cover (3) covering ring-shaped upper surface (5) and metal plate (4). Ring-shaped metal plate (4) has inner disk part made in form of single unit with outer disc part (43) and located in through hole (25) of circular cover (3). Inner disc part also acts as reinforcing element (ribs) of outer disc part.EFFECT: technical result: light thrust bearing of small height preventing deformation of ring-shaped metal plate and reducing noise generated at relative rotation of piston rod even at high force applied to metal plate through piston rod, as well as preventing penetration of foreign substances from outside, such as gravel and dust, on sliding surface and reducing number of components.21 cl, 6 dwg

Sliding bearing // 2592176
FIELD: machine building. SUBSTANCE: invention relates to bearings. In particular, to rolling bearings. Can be used in household and industrial trolleys. Rolling bearing comprises a separator with sockets for rolling bodies in the form of balls, made as a washer with a central hole. Separator in the form of a washer is made straight, without wavy surfaces, and represents at least one washer, with the ability of free placement on an axis by the central hole. EFFECT: technical result is simplified design and improved fabricability and operation. 1 cl, 4 dwg

Plain thrust bearing from synthetic resin // 2587301
FIELD: machine building.SUBSTANCE: invention relates to plain thrust bearing from synthetic resin. Thrust bearing (1) has upper housing (12) from synthetic resin, lower housing (22) from synthetic resin, unit (33) of thrust bearing from synthetic resin placed between upper casing (12) and lower housing (22), outside resilient sealing element (47), having inner elastically deformable edge (43) and outer elastically deformable edge (46), and internal resilient sealing element (54) having external elastically deformable edge (50) and internal elastically deformable edge (53).EFFECT: technical result is creation of plain thrust bearing from synthetic resin, which even under severe conditions enables to prevent ingress of dust and dirty water and is able to reduce abnormal noise due to dust, dirty water, etc.5 cl, 12 dwg

Plain thrust bearing // 2583986
FIELD: machine building.SUBSTANCE: invention relates to a plain thrust bearing, specifically to plain bearing from synthetic resin used as plain thrust bearing in post-type suspensions (McPherson suspension) for four-wheeled vehicle. Thrust bearing (1) has upper housing (100) from synthetic resin, lower housing (200) from synthetic resin and assembly (300) thrust bearing from synthetic resin placed between upper casing (100) and lower housing (200) and containing inner annular recessed groove (306) and outer annular recessed groove (307) concentrically to each other are made on upper surface (304) in direction along circumference from inside and outside in radial direction (X), wherein internal annular recessed groove (306) and external annular recessed groove (307) without any gap filled with lubricating oil, such as grease. Fraction of total surface area (308) at least two circular recesses of grooves (306, 307) on surfaces, which combine open surfaces (308) at least two circular recesses of grooves (306, 307) and surface of thrust bearing is 20-50 %.EFFECT: technical result is creation of plain thrust bearing from synthetic resin, capable of providing lower friction coefficient by changing profile of grooves.13 cl, 19 dwg

Plain thrust bearing and combined device of plain thrust bearing and piston rod // 2583984
FIELD: machine building.SUBSTANCE: invention relates to a plain thrust bearing, more specifically to a plain thrust bearing used in post-type suspensions (McPherson suspension) for four-wheeled vehicle, as well as to a combined device of plain thrust bearing and piston rod. Plain thrust bearing consists of body (16) made from synthetic resin, circular cover (28) covering body (16), with possibility of rotation relative to body (16), circular metal plate (34) with outer disc part (32), upper circular surface touches lower circular surface of disc part (24) of circular cover (28), and located between circular comb part (6) of body (16) and disc part (24), and facing radially inside inner disc part (33) forming an integral part with part (32) and placed in hole formed by inner peripheral surface of disc part (24), and unit (36) of thrust bearing, which is located between body (16) and lower circular surface (35) of part (32) and gives plate (34) ability to rotate in direction (R) around axis (O) of body (16) relative to body (16). According to second version, thrust bearing is characterised by presence of first circular groove (84) made on inner edge side of upper circular surface of body (16), and at least one second circular groove (85, 86) surrounding groove (84) and having less depth than groove (84), and contains lubricant, which fills grooves (84, 85, 86).EFFECT: technical result is creation of plain thrust bearing and combined device of plain thrust bearing and piston rod to prevent deformation of circular metal plate, attenuation of abnormal noise at relative rotation of piston rod and reducing height by reducing number of component parts even under action of high force on circular metal plate.2 cl, 18 dwg

Plain thrust bearing and mounting structure of post-type suspension with plain thrust bearing // 2583827
FIELD: machine building.SUBSTANCE: invention relates to a plain thrust bearing made from synthetic resin, specifically to a plain thrust bearing used in post-type suspensions (McPherson suspension) for a four-wheeled vehicle, as well as to mounting structure of post-type suspension with plain thrust bearing. Plain thrust bearing comprises lower housing (2) made from synthetic resin, upper housing (3) made from synthetic resin applied on lower housing (2), and insert (4) made from synthetic resin placed between housings (2, 3). Lower housing (2) includes annular support part (11), which has cylindrical outer surface (9). Upper housing (3) comprises circular bearing part (25), internal tubular suspended part (29), hanging from inner side of circular bearing part (25), external tubular suspended part (32), hanging from outer side of circular bearing part (25). Upper housing (3) is applied on lower housing (2) so that cylindrical internal surface (31) of external tubular suspended part (32) is in contact with cylindrical smooth outer surface (9) of circular bearing part (11) of lower housing.EFFECT: technical result is creation of plain thrust bearing to solve problem of space for mounting.2 cl, 8 dwg

Thrust plain bearing // 2575550
FIELD: machine building.SUBSTANCE: invention relates to a thrust plain bearing, namely, to a plain bearing out of synthetic resin used in post-type suspensions (McPherson suspension) for four-wheeled vehicle as a plain thrust bearing. Thrust plain bearing (1) has upper housing (100) from synthetic resin, lower housing (200) from synthetic resin and assembly (300) of thrust bearing from synthetic resin, which is placed between top and bottom housings (100) and (200). Assembly (300) contains internal recessed areas (306) and external recessed areas (307), made on its top surface (304) in two rows, including internal row and external row, at that each of these multiple internal recessed areas (306) and external recessed areas (307) is filled with lubricating oil, and internal recessed areas (306) and external recessed areas (307) are located with angular shift 6°. Technical result is creation of the thrust plain bearing able to ensure more lower friction coefficient due to combination of low friction coefficient as result of lubricating oil presence on sliding surfaces during sliding, and friction decreasing of synthetic resins sue to reduced contact area with mating element, at least top surface or bottom surface, used as sliding surfaces of the thrust plain bearing assembly.EFFECT: improved design.15 cl, 21 dwg

Thrust bearing of liquid friction (versions) // 2560202
FIELD: machine building.SUBSTANCE: thrust bearing of liquid friction comprises ring bearing plate (1) with smooth work hardened surface and ring centre plate (2) located in the machine casing (4). On the work surface (3) of the centre plate (2) the convex beads are located, they are made out of fine-needled martensite, side surface of beads create wedges together with the centre plate (1). The beads are located on the work surface (3) of the central plate (2) along radiuses, and they are located with spacing L = (1.5÷3)h on the internal diameter of the central plate D0 (h is bead width) and go to the outside diameter Dmax creating the first system, on the diameter D1 = 2D0 the beginning of beads of the second system are located, they go to outside diameter Dmax and are located at middle between the beads of the first system, and on the diameter D2 = 4D0 the beginning of beads of the third system is located, the beads go to outside diameter Dmax and are located in middle between the beads of the fist and second system. The beads can be of same length and located on radiuses in range of diameters of the centre plate from (0.5÷0.8) Dmax to Dmax.EFFECT: creation of the thrust bearing of the liquid friction able to operate in two directions of rotation, at minor number of starts and shutdowns, withstanding short-term overloads and not requiring high accuracy machines and multiple operations during its manufacturing, not requiring shaping-up, easy in installation and operation.2 cl, 4 dwg

Thrust bearing // 2558406
FIELD: machine building.SUBSTANCE: thrust bearing contains bearing plate installed on the shaft with possibility of rotation together with shaft and acceptance the axial force from the shaft side and without possibility of rotation relatively to it, the bearing plate containing self-setting segments and made with possibility to accept the axial force from the bearing plate side. The bearing plate support surface and support surface of the centre plate comprising support surfaces of the segments, contain hard facing, in particular, out of tungsten carbide with binding out of cobalt or tungsten carbide with binding out of nickel, at that the support surface of the bearing plate by the hard facing is in contact with the hard facing of the support surface of the centre plate created by the segments and creating friction pair. The support surface of the bearing plate and the support surface of the centre plate made by the segments contain hard facing with thickness 0.1-1.0 mm and over each. Segments contain the hydrodynamic slopes.EFFECT: increased operation reliability of the thrust bearing, increased overhaul period and operation durability of the thrust bearing by means of creation of the thrust bearing structure operable at increased axial loads, rotation speeds of the shaft and work ambient temperature.3 cl, 3 dwg

Patch piece of thrust plain bearing // 2554918
FIELD: machine building.SUBSTANCE: invention relates to segment patch pieces of thrust plain bearings cooled by water at which at least one of the working surfaces is made from silicified graphite used mainly in electric motors that serve as the drive for main circulation pump units at NPP. A separating channel providing for the circulation of a lubricating and cooling medium on the whole contact surface, is made on the contact surface of the patch piece along the bearing radius. The separating channel divides the contact surface on the lead-in edge side up to the channel and the surface after the channel up to the exit edge with the proportion of at least 3 to 2.EFFECT: provision for more efficient heat removal from the contact zone at the operation of the proposed structure of the patch piece being the part of a thrust plain bearing of the main circulation pump unit at NPP, reduced risk of damage to antifrictioin elements from silicified graphite from thermal deformations due to uneven heat removal from the contact zone, improved manufacturability of patch pieces of stator elements of the large-sized thrust plain bearing, provision for the repairability of patch pieces of the thrust plain bearing and lower risk of fire.3 cl, 4 dwg

Plain thrust bearing and combined device of plain thrust bearing and piston rod // 2548987
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely, to a plain thrust bearing as well as to a combined device of the plain thrust bearing and a piston rod. The plain thrust bearing comprises a casing from artificial resin, a circular cover, a circular metal plate and a plain thrust bearing assembly. The casing includes a hollow cylindrical part with a cylindrical inner edge surface forming a through hole, a circular collar part which, as a solid unit, branches off in the radial direction outwards from the cylindrical outer edge surface and the hollow cylindrical part. The circular cover is fitted by a disk part with inner edge surface forming a through hole which is concentrical to the through hole in the bearing casing. The circular metal plate is fitted by an outer disk part turned in the radial direction outwards, the upper circular surface of the said disk part touches the lower circular surface of the disk part of the circular cover. The plain thrust bearing assembly is set between the bearing casing and the lower circular surface of the outer disk part of the circular metal plate. The combined device of the plain thrust bearing and the piston rod comprises the plain thrust bearing and the piston rod of a hydraulic damper.EFFECT: improved design.14 cl, 18 dwg

Plain thrust bearing from synthetic resin // 2547333
FIELD: machine building.SUBSTANCE: plain thrust bearing from the synthetic resin. The bearing contains top casing out of the synthetic resin, bottom casing, thrust bearing assembly from the synthetic resin, outside resilient sealing element and internal resilient sealing element. The thrust bearing assembly from the synthetic resin is installed between top casing and bottom casing.EFFECT: increased bearing protection against dust and dirty water ingress.9 cl, 12 dwg

Plain thrust bearing and mounting structure of post-type suspension with plain thrust bearing // 2542839
FIELD: machine building.SUBSTANCE: invention relates to the plain thrust bearings from synthetic resin, namely, to the plain thrust bearings used in post-type suspensions (McPherson suspension) for four-wheeled vehicles, and also to the mounting design of the post-type suspension with the plain thrust bearings. The plain thrust bearing (1) comprises a lower housing (2) from synthetic resin, upper housing (3) from synthetic resin laying on the lower housing (2), and an insert (4) from synthetic resin placed between the housings (2, 3). The upper housing (3) is laid on the lower housing (2) in such a manner that the tubular outer surface (34) of an internal tubular suspended part (29) of the circular bearing parts (25) is located opposite to the tubular internal surface of the larger diameter of the circular bearing part (11) of the housing (2) with a clearance between them. Meanwhile the circular lower end surface of the part (29) is located opposite to the surface with a circular shank shoulder of the part (11) with the clearance between them. The cylindrical internal surface (31) of the external tubular suspended part (32), with the walls wider, than ones of the part (29) in a radial direction, forms a sliding contact with the cylindrical outer surface (9) of the part (11). The internal tubular vertical part (38) of the wall is located in the circular part (18) with the recess. The circular hook part (44) is elastically seats in a circular gripping protruding part (20), as a result of which between the elastically seated part and the smoothly contacting part of the surface (9) an sealing part of the labyrinth type is formed with reference to the cylindrical internal surface (31) due to that the part (38) of the wall is located in the part (18), and the tubular protruding part (19) and the part (20) are located in the circular part (42) with the recess.EFFECT: creation of plain thrust bearing with a possibility of resolving the problem with the space for mounting.2 cl, 8 dwg

Thrust bearing assembly // 2542806
FIELD: machine building.SUBSTANCE: thrust bearing unit consists of a thrust plate and a thrust journal (7). The thrust plate is composed of housing (1) with cylindrical recess and flat bottom formed by circular ledge (2) along the perimeter of the housing (1). At the bottom of the cylindrical recess there are sectors of the elastic gasket (3) with the gasostatic bearing sectors (5) supported on them, bearings, which are forming, respectively, the elastic gasket ring (3) and the ring from non-magnetic material. The side of sectors (5), facing towards the thrust journal (7), is fitted with a recess with flat bottom formed by beads (8) along the perimeter of the sector (5). In the recess of each sector (5) several sectorial permanent magnets magnetised in an axial direction, and contacting with them sectorial permanent magnets, magnetised in a longitudinal direction are evenly distributed along a circle and fixed. The cross section of cover plates (6) is T-shaped. The external surface of sector permanent magnets form a single plane facing towards the thrust journal (7), made from non-magnetic material, with forming with it of working clearance (12). In volume of sectors (5) the system of interconnected channels of small diameter with a possibility of feeding in it of compressed air from the external source is implemented, the output holes of which are connected with viaholes (20, 21), made in sectorial permanent magnets interconnecting with the working clearance (12).EFFECT: ensuring of high bearing capacity of a thrust bearing assembly in an operating mode, reliable start of turbine, decrease of deformation of clearance in the thrust bearing assembly as a result of high pressure of gas pressurisation, damping of oscillations of turbine machine rotor, caused by axial gas dynamic forces of the turbine and compressor.6 cl, 5 dwg

Axial journal bearing // 2534659
FIELD: machine building.SUBSTANCE: invention relates to the thrust journal bearings, which one work surface is out of siliconised graphite (or other antifriction material with similar characteristics), and can be used in assemblies of the electric machines and hydraulic machines with large-size thrust bearings (diameter up to 900mm), mainly in motors driving the main circulating pump units of the reactor plants, for example at NPS. The feature of the mentioned axial bearing is that the support disc if made with alternating supporting shoulders and grooves from the side looking towards a set of sectors out of antifriction material. On outside and internal diameters of the supporting disc the seating surfaces are made, the outside and internal rings are installed in them and secure the sectors via the resilient elements. The sectors locking against rotation relatively to the supporting disc is ensured by the intermediate planks installation between the sectors, they are locked by the plank axle in holes of the supporting disc. The sectors are made with steps for outside and internal rings, the sector top part has radial roundings, and bottom part has grooves ensuring mutual securing. Lead-in edge of the sector has shape similar to parabolical shape. Cooling and lubrication are performed via the alternating channels created by the planks, sectors, outside and internal rings.EFFECT: decreasing of possibility to damage the antifrictional components out of siliconised graphite due to bend stresses and thermal deformations due to non-uniformity of heat removal from the contact zone when solid gusset is used; improvement of the cooling and lubricating water circulation on crown surface of the axial journal bearing; improvement of feasibility of the gusset manufacturing and assurance of its reparability; reliability improvement; fire risk decreasing; rotation prevention of the set of sectors over the supporting disc.3 cl, 8 dwg

Thrust bearing assembly // 2533948
FIELD: machine building.SUBSTANCE: thrust bearing assembly consists of axial bearing and thrust bearing (7) made of nonmagnetic material. Axial bearing is composed of housing (1) with cylindrical recess and flat bottom formed by circular ledge (2) extending over perimeter of housing (1). Resilient washer (3) is arranged on cylindrical recess bottom with ring-shape gas bearing resting thereon and made of nonmagnetic material and separated to sectors (5) by radially directed straps (6) of the same thickness secured to housing (1). Flange (8) making the recess is arranged at perimeter of sector (5), on the side facing the thrust bearing (7). Recess of every sector (5) locked are sector poles of high magnetic permeability material with sector permanent magnets (9, 10) with tangential opposite magnetisation located there between. Cross-section of washers (6) is shaped to T shape, their flanges being arranged to engage the radial collars (8). Magnets (9, 10) are shaped to trapezoids with their wide base facing the recess surface while narrow base of every magnet (9, 10) contacts with wedge (14) made of strip of nonmagnetic material and rigidly secured with adjacent sector poles (12, 13). Outer surface of wedges (14) and poles (12, 13) make a single plane to form therewith a working clearance (15). Inside said sectors (5) a system of communicating channels (18) is made to feed compressed air therein from external source, system outlets being connected with through holes in poles (12, 13), connected in their turn, with working gap (15).EFFECT: higher bearing capacity under working conditions, reliable start and outage of turbomachine.7 cl, 5 dwg

Thrust plain bearing // 2533648
FIELD: machine building.SUBSTANCE: invention relates to a plain thrust bearing from synthetic resin, namely, to a plain thrust bearing used in post-type suspensions (McPherson suspension) for four-wheeled vehicle as a plain thrust bearing. The thrust plain bearing (1) comprises an upper casing (2) from synthetic resin, a lower casing (3) from synthetic resin overlapped onto the upper casing (2) and able of rotation around the axis (O) along the circle (R) in respect to the upper casing (2), a unit (5) of the thrust plain bearing from synthetic resin placed in the annular space (4) between the upper casing (2) and the lower casing (3), and a sealing element (8) from synthetic resin to seal the respective opposite protruding-to-outside ends of the gap (6) on the internal periphery side and of the gap (7) on the external periphery side in the radial direction (A) between the upper casing (2) and the lower casing (3), therewith one end with the hole of the gap (6) and the gap (7) respectively is communicated with the annular space (4).EFFECT: design of a thrust plain bearing with more efficient assembly and replaceability, providing for additional rise of durability and sealability.4 cl, 24 dwg

Gas turbine engine // 2529294
FIELD: engines and pumps.SUBSTANCE: first cup-like journal of the first magnetic bearing assembly directed by its bottom to turbine wheel is fitted on engine cylindrical bush adjoining the turbine wheel. Note here that second cup-like journal of the second radial thrust magnetic bearing directed with its bottom to compressor wheel is fitted on the shaft free end. First and second thrust gas bearings, centrifugal compressor wheel and equaliser washer are fitted thereon and locked by nut. Every radial magnetic bearing comprises thin-wall sleeve made of nonmagnetic material. Sleeve outer surface has poles arranged regularly in circle and shaped to trapezoid-like strips made of material with high magnetic permeability. Trapezoid-like strips made of magnetic material arranged between the latter to contact with said poles by side faces. The latter magnetised over axial length in tangentially opposite direction. Wide cross-section base of magnetic strips face the thin-wall surface. Wedges made of strips of nonmagnetic materials are arranged on narrow base side rigidly secured flush with side faces of the poles. Said wedges contact with magnetic strip to make the cylindrical surface extending in working clearance of radial magnetic bearing. Circular ledges of the first and second cup-like journals are fitted in circular recesses. Said ledges are furnished with ring of high-strength fibre on binder made of solidifying synthetic resin. Said ledges are fitted in appropriate ring grooves made in spacer arranged between turbine and compressor casings. Note here that one of ring grooves is opened to compressor while another to turbine. Corrugated sleeve with lengthwise crimps is arranged between the surface of ring grooves and made of resilient material. Inner surfaces of cup-like journal is coated with copper layer and finished to high purity. Thrust magnetic bearing comprises toe bearing made of nonmagnetic material and arranged in cylindrical bore of cup-like journal. Sectors of poles of material with high magnetic permeability are secured between journal bottom and toe bearing surface. Sectors of permanent magnets and sectors of poles are composed by trapezoidal-section strips in contact by side edges. Note here that magnetic sectors face the cylindrical recess bottom by their section wide base. Their narrow bases are covered by flat wedges of nonmagnetic material. Their end surfaces are rigidly secured with end surfaces of appropriate poles to make flat surface which makes with cup-journal the working clearance of thrust magnetic bearing. Radial and thrust magnetic bearings are made of magnetic material with Courier point not lower than 900°C. Elastic washer made of resilient material deformed to make circular crimps is arranged between toe bearing and bottom of bore of both magnetic bearings. Magnetic radial and thrust bearings are locked in place. Axial gas-dynamic bearing comprises spacer and seal with spacer ring arranged there between. Note that first and second thrust gas bearings separated by common toe bearing are fitted there between. Radial gas-dynamic bearing is arranged in clearance between the spacer cylindrical cavity and sleeve surface facing the latter.EFFECT: reliable starting at low temperatures, higher reliability at high dynamic loads and operating efficiency.2 cl, 6 dwg

Thrust bearing unit // 2529070
FIELD: machine building.SUBSTANCE: thrust bearing unit consists of a thrust plate and a thrust journal (8). The thrust plate is formed by a casing (1) fitted by a cylindrical groove with flat bottom which is provided by a circular protrusion along the casing (1) perimeter. A resilient gasket (3) is set on the cylindrical groove bottom and a gasostatic bearing rests against it and is made as a ring divided into sectors (5) by oriented metal nonmagnetic patchs (7) coupled with the thrust plate casing. On the side turned to the thrust journal (8) the sector (5) perimeter is fitted by a bead (9) providing for the groove. Gasostatic bearing (6) steps made from antifriction material are fixed in the groove of each sector (5). The patch (7) cross section is of T-shape, the tables of the patchs (7) are made so that radial beads (9) of the sectors (5) can be engaged. External surface of the gasostatic bearing (6) steps is turned to the thrust journal (8) and form an operating clearance with it. In the sectors there provided is a system of communicating channels (12) with the possibility of supplying compressed air to it from an external source, the outlet holes of the system are communicated with the feeding holes (18) in the gasostatic bearing steps, through holes communicating with the operating clearance.EFFECT: increased carrying capacity of a thrust bearing unit in the operation mode with reduced friction losses in it, decreased deformation of clearance in the thrust bearing unit resulting from the high-pressure of gas blowing, damping of vibrations of a turbomachine rotor caused by axial gas dynamic forces of the turbine or compressor, reliable start-up and shutdown of the turbomachine.3 cl, 3 dwg

Gas-dynamic bearing // 2496032
FIELD: machine building.SUBSTANCE: gas-dynamic bearing includes rod, and housing, in which annular carrier card (3) with elastic petals (4) overlapping each other is arranged. Sector slots (5) are made in card (3) opposite petals (4). Carrier card (3) with petals (4) is made of set of plate-like shaped elements (6) attached to each other, for example by spot welding at four points (7). Sizes of plate-like shaped elements (6) are chosen so that solid annular carrier card (3) with petals (4) can be formed at their attachment to each other.EFFECT: simpler design of gas-dynamic bearing.5 cl, 4 dwg

Plain thrust bearing from synthetic resin // 2489614
FIELD: machine building.SUBSTANCE: plain thrust bearing from synthetic resin has upper housing (100) from synthetic resin, lower housing (200) from synthetic resin and assembly (300) of thrust bearing from synthetic resin, which is placed between housings (100) and (200). At boundaries of a sliding strip between upper surface of lower annular plate-like section (202) of housing (200), which restricts the lower surface of lower annular groove (204) and lower surface of upper annular plate-like section (102) of housing (100) on one side, and upper surface and lower surface of assembly (300) on the other side, which come into sliding contact with upper and lower surfaces, there is silicon grease based on silicon oil and having kinematic viscosity coefficient at 25°C of not less than 0.0001 m2/s and not more than 0.5 m2/s and containing a thickener to maintain working penetration of not less than 200 and not more than 400. The above silicon oil is silicon oil that contains an additive or modified silicon oil.EFFECT: creation of plain thrust bearing that is capable of preserving low friction coefficient and preventing microslipping phenomenon at sliding during a long period of time, which allows preventing abnormal friction noise referred to microslipping phenomenon.12 cl, 9 dwg, 2 tbl

Plain thrust bearing made of synthetic resin // 2472045
FIELD: transport.SUBSTANCE: plain thrust bearing (1) made of synthetic resin contains upper body (100) of synthetic resin, lower body (200) of synthetic resin and plain thrust bearing made of synthetic resin assembly (300), fitted between bodies (100) and (200). If to take radial length of body (100) from axis (o) to outer edge surface (303) of the assembly (300), located in lower ring cavity (205) as (r), and thickness of inner edge surface of upper ring plate section (102) as (t), on the upper surface (108) of body (100) there is ring flat surface (109) with circular outer edge, the radius (R) of which, if to take axis (o) of body (100) as centre of circumference, is equal to R=r±t. The thrust bearing (1) is located between lower surface of mounting element at the side of vehicle body and upper surface of spring upper socket, subtending to this lower surface. Due to this, the surface (109) only contacts with lower surface of mounting element at the side of vehicle body.EFFECT: creation of plain thrust bearing which even under action of variable load such as tilt on mounting element at the side of vehicle body provides smooth operation of steering without interference of upper and lower bodies; higher operation efficiency due to possibility to maintain friction characteristics for a long time.9 cl, 13 dwg

Turbocompressor // 2469213
FIELD: machine building.SUBSTANCE: turbocompressor for internal combustion engines includes housing with oil supply, discharge lines, cover plate of housing, shaft with impellers of compressor, turbine, radial and axial sliding bearings and pad plate. Axial sliding bearing is made in the form of two bases, on working surfaces of which oil supply slots and wedge-like grooves are made, which can be adjacent to pad plate. A groove is made on the base on the side of the housing cover plate and forms together with cover plate a cylindrical chamber that is connected to oil supply slots and oil supply line.EFFECT: improvement of axial sliding bearing operation.6 dwg

Turbine expansion engine // 2468310
FIELD: machine building.SUBSTANCE: ring (2') of a support bearing is arranged in the form of a V-belt pulley. At the same time the ring (2') of a thrust bearing shall be arranged mainly in the middle of the total length of a shaft (1) of a turbine expansion engine.EFFECT: higher load-carrying capacity of a thrust bearing.2 cl, 4 dwg

Fluid bearing // 2463493
FIELD: machine building.SUBSTANCE: proposed bearing comprises aligned top and bottom racers 1, 2. Racer 1 is furnished with flute 3 facing said racer to allow maintaining working clearance δ between racers 1, 2. Bearing is provided also with pump 4 to force fluid in working clearance δ. Racer 1 is shaped to annular groove 3 with its walls surrounding, at least section of racer sidewall to allow ring to revolve free. Racer 2 is immersed in working fluid do depth h by gravity G and extra vertical load F in compliance with preset ratio while total cross-section area S1 of side clearances b1 and b2 are calculated by specified formula. Vertical load F at racer 2 does not exceed bearing capacity of the bearing Fmax. Note here that groove sidewalls are vertical as well as mating walls of racer 2.EFFECT: keeping the large-size circular object twining aroubd the vertical axis.2 cl, 1 dwg

achine axis // 2462624
FIELD: machine building.SUBSTANCE: machine axis represents a rotary body (1) installed at two sides in fixed supports (2). At the ends of the rotary body (1) made from a solid material and fixed supports (2) there are hemispherical grooves (4) to install a ball (5). The diametre of the ball (5) at one end of the rotary body (1) is more than at its other end.EFFECT: simplified design of a machine axis and reduction of its wear.3 dwg

Thrust bearing assembly // 2449184
FIELD: machine building.SUBSTANCE: thrust bearing assembly consists of pivot (1), centre pivot (2), in a gap between which a bearing provided with possibility of gas dynamic formation of gas lubrication is arranged, which is equipped with compressed gas supply device to gap (3) between pivot (1) and working surface of bearing. As bearing there used is paddle-type bearing including support (4) and carrying (5) boards made in the form of washers or discs from elastic material, the latter of which forms working surface of bearing. Support board (4) is made in the form of spring structure. Pivot (1) is pressed on shaft (6). Compressed gas supply device is made in the form of through channels (7) made on rear side of pivot (1), the outlet holes (8) of which are distributed along surface of pivot (1), which faces working gap (3), and receiving holes (9) have the possibility of receiving compressed air from external supply at shaft (6) rotation. Shaft (6) is equipped with holes (11) for gas supply inside shaft (6) and has axial hole (12) for gas movement inside shaft (6), as well as holes (13) for gas removal from shaft and its supply to channels (7).EFFECT: improving reliability and carrying capacity of bearing.4 dwg

Plain thrust bearing from artificial resin // 2442035
FIELD: mechanics.SUBSTANCE: invention relates to a plain thrust bearing from synthetic resin, in particular, for thrust bearing suspension rack-type four-wheeled vehicle. The bearing has an upper housing (100), comprising an radial flat spot (102), lower body (200) superimposed on the body (100) with possibility of rotation around the axis of the housing (100) and contains an radial flat spot (202), opposite the site (102 ), and an radial groove (204), performed at the site (202), which is surrounded by the first (203) and second (205) concentric radial projection housing (200). The bearing assembly also includes a node of (300) plain thrust bearing made of disc (304), which is placed in the radial groove (204), is a sliding contact with an radial flat spot (102) and has a circular hole (101), done in the central part . At the same node (300) mounted in an radial groove (204) with an radial gap (AI) between the inner peripheral surface (301) round hole (302) and the outer peripheral surface (207) of the first projection (203) and the radial gap (A2) between the outer peripheral surface (303) disk (304) and an inner peripheral surface (208) of the second projection (205). Node (300) is located in a groove (204) so that its upper surface (305) protrudes from the grooves opening (204) so as to enter into contact slider with the bottom surface (105) housing (100), and its lower surface (306) is in contact slider with the bottom surface (209) groove (204). Housing (100) is combined with the housing (200) by the elastic landing on the housing (200). The sum (A) of the volume of radial gaps (AI) and (A2) is less than the amount (B) of the node part (300), which protrudes from the hole of the groove (204). EFFECT: time preservation of slipping characteristics such as low coefficient of friction and wear resistance.7 cl, 12 dwg

Plain thrust bearing and combined device of plain thrust bearing and piston rod // 2428594
FIELD: machine building.SUBSTANCE: plain thrust bearing (1) consists of: first circular case (4) made of synthetic resin, second circular case (6) also made of synthetic resin and circular sliding element (7) corresponding to unit of plain thrust bearing; upper circular cover (10) and circular metal plate (15). Case (4) has upper circular surface (2) and external circular periphery surface (3) of cohesion. Case (6) is superposed on case (4), rotates around axis (O) of case (4) and has lower circular surface (5) opposite to surface (2) of case (4). The unit of the bearing is located between surface (2) of case (5) and surface (5) of case (6); also, lower surface (78) or upper surface (77) of the bearing unit are in sliding contact correspondingly with surface (2) of case (4) or surface (5) of case (6). Cover (10) has internal circular periphery surface of cohesion engaging surface (3) of case (4). Plate (15) is located between surface (11) of case (6) and lower surface (14) of cover (10) so, that its lower surface (12) contacts surface (11) of case (6), while its upper surface (13) contacts surface (14) of cover (10). Plate (15) has internal circular periphery surface (101), diametre of which is less, than internal diametres of internal periphery circular surfaces (21, 48, 61, 66 and 86) of cases (4; 6) and cover (10).EFFECT: plain thrust bearing functioning as support for end of piston rod; simplification of setup attachment and reduced expenditures.4 cl, 7 dwg

Friction bearing // 2427733
FIELD: machine building.SUBSTANCE: friction bearing (1) consists of upper case (3) having lower circular surface (2), lower case (5) installed on upper case (3) rotating around axis (O) of case (3) and having upper circular surface (4) opposite to surface (2) of case (3), of circular thrust friction bearing (6) positioned at least on external periphery and/or internal surface of space (36). The packing device has multitude of through orifices made at least on external periphery and/or internal periphery of case (5), circular make-up section (34) inserted into multitude of through orifices for making-up to case (3) and flexible thin-wall circular projecting end section (37) made on section (37) and coming into a sliding contact with case (3) so, as to seal at least internal periphery and/or internal periphery of space (36).EFFECT: high degree of long-term sealing and damping excessive noise.11 cl, 23 dwg

Friction bearing // 2427732
FIELD: machine building.SUBSTANCE: friction bearing (1) consists of upper case (3) having lower circular surface (2), lower case (5) installed on case (3) rotating around axis (O) of case (3) and having upper circular surface (4) opposite to surface (2) of case (3), of circular thrust friction bearing (7) positioned in circular space (6) between surface (2) and surface (4), and of packing device (9) on internal periphery of space (6). Packing device (8) has external periphery packing section (61) positioned between case (3) and case (5) so, as to seal external periphery of space (6) and flexible circular lug (62) made on lower surface of section (61) and projecting in direction of conjugated element (seat of spring) abutting against lower surface of case (5).EFFECT: preventing penetration of dust and rain water into space between lower case and conjugated element and into space between lower and upper cases even at low accuracy of fabrication of conjugated element.9 cl, 7 dwg

Thrust journal bearing // 2383788
FIELD: mechanical engineering.SUBSTANCE: invention refers to mechanical engineering, particularly to design of thrust bearings operating under modes of boundary or mixed lubrication and implemented in machine-tool manufacture, machine building and other branches of industry. The thrust journal bearing consists of a fixed support and a shaft. End bearing surface of the shaft is made in form of three sections, shape of which is described with equations: y = 0, where x1 x2 are current coordinates in the system of rectangular coordinates x1O1y1 and x2O2y2; a1 a2, n1 n2 are coefficients characterising tribophysical properties of materials and modes of bearing operation.EFFECT: increased service life of thrust journal bearing operation.3 dwg

Plain thrust bearing for shafts of submersible centrifugal electric pumps // 2376505
FIELD: machine building.SUBSTANCE: invention relates to machine building, particularly to structures of plain thrust bearings for shafts or rotating axis of machines and equipment and can be used in submersible multistage centrifugal electric pumps for strata liquid extraction (oil-and-gas mixture) from deep oil wells of minor diametre. Plain thrust bearing contains abutment (1), under-abutment (2) and intermediate thrust collar (3), implemented with flat annular bearing surfaces on its working sides. Ring (3) is free mounted on shaft (7) between abutment (1) and under-abutment (2) with ability of rotation relative to them. Bearing surface (11) of abutment (1) is implemented as smooth. Bearing surface (14) of ring (3) directed to bearing surface (11) is implemented with lubricating grooves (16). Bearing surface (13) of under-abutment (2) is implemented with lubricating grooves (15), and bearing surface (12) of ring (3) directed to bearing surface (13) is implemented as smooth and with major average diametre D5 than average diametre D3 of bearing surface (14). Bearing surfaces (13) and (14) are implemented with lubricating grooves (16) and (15). Divided by these grooves for segments. Bearing surfaces (11), (12), (13) and (14) are implemented from wear-resistant substances with solidity not less than 380 HV.EFFECT: increasing of reliability and vehicle capacity of plain thrust bearings for shafts of submersible centrifugal electric pumps.3 cl, 6 dwg

Fastener assembly of thrust crown of oil bearings on shaft // 2373438
FIELD: machine building.SUBSTANCE: invention refers to compressor engineering, particularly to fastener assemblies of crowns of thrust oil bearings on shaft of centrifugal compressor machines. The fastener assembly of thrust crown of oil bearings on the shaft consists of a facility preventing shifting of the crown along axis of the shaft and of a facility preventing slipping of the crown around the shaft. The facility preventing slipping of the crown around the shaft is made in form of a tape out of elastic material with lengthwise corrugation located between the thrust crown and the shaft in a circular slot. The slot is made on surface of the thrust crown or shaft.EFFECT: increased manufacturability and possibility to apply less strict allowances for shaft diametres and thrust crown after mechanical treatment; prevention of fretting corrosion; increased rate of assembly; compensation of axis misalignment and reduction of noise in some cases.5 cl, 4 dwg

Plain bearing lubricated by its melt // 2368820
FIELD: machine building.SUBSTANCE: invention relates to machine building. Proposed plain bearing comprises assembly incorporating a slide that features high melting temperature and a melting guide. Note that a porous layer is applied onto one of contact surfaces.EFFECT: higher bearing capacity combined with low friction factor.1 dwg

Thrust bearing of turbomachine // 2368819
FIELD: power engineering.SUBSTANCE: invention is related to the field of heat power engineering and may be used in design, production, reconstruction and operation of steam and gas turbines. Thrust bearing (1) of turbomachine comprises stop blocks (2), movably fixed with the help of radial pins (3) in annular race 4 (from two halves), installed in body of thrust bearing (1). Working surface of stop blocks (2) fits closely to side surface of thrust collar (5) of turbomachine rotor, and support prisms (6) of stop blocks (2) rest on disk elastic membranes (7), having thrust protrusion (8) and rigidly connected along external diametre with annular race (4), in body of which under each membrane (7) there are cylindrical chambers (9), connected to each other by means of sealed hydraulic annular header (10) and creating closed system of cavities filled with incompressible working liquid (11), which executes hydraulic connection between chambers (9). Annular header (10) is connected to expansion tank (12) of atmospheric type by means of drain line (13), in which safety valve (14) is installed, and suction line (15), in which check valve (16) is installed. Drain (13) and suction (15) lines are brought into expansion tank (12) under level of working liquid (11) that fills it.EFFECT: higher bearing capacity of thrust bearing, and also reliability and efficiency of turbomachine operation.4 cl, 3 dwg

Hybrid gas-film thrust bearing // 2330197
FIELD: engines and pumps.SUBSTANCE: hybrid gas-film thrust bearing represents a ring with its working surface furnished with wedge grooves alternating with smooth sections. Here note that the foot surface is made smooth. The every wedge groove section has, at least, one through hole.EFFECT: free intake of gas into lubricating groove in the wedge grooves section at any size of lubricating gap on smooth sections and higher efficiency of the working surface cooling by gas film.3 dwg

Lever balancing device for thrust bearing // 2305212
FIELD: mechanical engineering.SUBSTANCE: device comprises thrust block (6), bottom levers (2), top levers(1), unmovable members (4). Rollers (3) are interposed between the top (1) and bottom (2) levers. Bottom levers (2) bear on unmovable member (4) through spherical bearings (5). Top levers (1) bears on unmovable member (4) through rollers (3) and bottom levers (2). Thrust block (6) bears on top levers (1) through spherical bearings.EFFECT: improved design.1 dwg

Hydrodynamic thrust sliding bearing // 2296250
FIELD: mechanical engineering.SUBSTANCE: bearing comprises rotor that rotates together with the shaft of the rotor, adjusting thrust ring, and at least one bearing segment that is unmovable and bears on the housing of the bearing. The adjusting thrust ring has plastic matrix and reinforcing fibers. The adjusting thrust ring is made of a layered plastic and is composed of at least four layers of reinforced plastic. The fibers in each layer are oriented in the same direction.EFFECT: prolonged service life.5 cl, 3 dwg

Plain bearing of vertical-shaft water-wheel generator // 2283972
FIELD: electromechanical engineering; vertical-shaft water-wheel generators.SUBSTANCE: proposed plain bearing for vertical-shaft water-wheel generators has segments mounted in its housing and shaft-mounted bushing. Bottom butt-end of bushing carries rectangular-section ring assembled of two or more parts with radial slots uniformly disposed over circumference at bushing butt-end. Slots and butt-end surface of bushing form radial holes designed to force lubricant to friction zone.EFFECT: improved functioning of updated plain bearing.1 cl, 2 dwg

Thrust bearing // 2269682
FIELD: mechanical engineering.SUBSTANCE: invention can be used in turbomachines, for instance, in turbocompressors, and also as repair set. Proposed thrust bearing has housing, bushing with bead freely fitted into housing space and fixed from rotation by section of bead in form of polyhedron and arranged in congruent cavity on end face of housing pointed to polyhedron. Longitudinal lubrication grooves are made in space of bushing whose spaces are connected through channels with outer surface of bearing housing. Bushing is made sectional, consisting of two parts, each provided with bead with fixing section in form of polyhedron. Both end faces of bearing housing are provided with cavities congruent to fixing sections of bead. Clearance is left between end faces of bushing arranged in space of bearing housing.EFFECT: increased damping properties of bearing in axial and radial directions.4 cl, 2 dwg

Thrust sliding bearing // 2242645
The invention relates to thrust bearings and can be used in friction units of machines and mechanisms

Bearing slide // 2205303
The invention relates to mechanical engineering and can be used in the production of manual machines rotary low vibration activity

Gas dynamic thrust bearing // 2204064
The invention relates to the field of engineering and is intended for use in high-speed mechanisms

Spherical gas-static bearing // 2191936
The invention relates to test equipment and can be used as a support threefold dynamic to simulate the angular motion of the spacecraft

-thrust bearing, running on low-viscosity liquid // 2186266
The invention relates to mechanical engineering and can be used in the petrochemical industry and refrigeration equipment that uses a compressor units

Thrust sliding bearing // 2162171
The invention relates to bearings

Bilateral axial hybrid gas bearing with helical grooves // 2154753
The invention relates to mechanical engineering and can be used in the nodes of rotation of the various devices and mechanisms

Bilateral gas-dynamic axial bearing // 2153606
The invention relates to mechanical engineering and can be used in the nodes of rotation of the various instruments and mechanisms, in particular, relates to a reference node high-speed turbomachines, gas turbochargers
 
2551054.
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