Rotary drive system with roller running from cam with detachable wheel support

FIELD: machine building.

SUBSTANCE: invention relates to rotary drive system (50) and can be used in power plants. Contains cylindrical wall (51), piston (4, 4') having possibility of sliding in axial direction along longitudinal axis (L) inside cylindrical wall (51), and piston rod (20, 20'), extending along longitudinal axis and projecting from system drive side (D) in axial direction outside cylindrical wall. Piston rod (20, 20') is attached to holder support element (5a) on drive side. Cam washer rotary annular element (9) stretches into cam washer axial position, which is located at distance from drive side (D) coaxially around cylindrical wall (51). From the support side holder (5b) comprises pair of rollers (7, 7'), engaged with cam washer opposite surfaces. Holder (5b) is located radially outward from cylindrical wall (51) from cam washer position to support element (5a) and is connected with possibility of disconnection by means of connection end with holder support element. Holder (5b) includes arm, in which there is flexible section (41).

EFFECT: detachable holders provide drive system with possibility of easy assembly and disassembly for maintenance, repair or replacement of rolls after their wear.

7 cl, 8 dwg

 



 

Same patents:

FIELD: engines and pumps.

SUBSTANCE: invention relates to machine-building industry. A nonconnecting-rod, rotary-and-piston internal combustion engine (ICE) includes a fixed internal housing with working cylinders with pistons and stocks, which are located in it, inlet and outlet valves and ignition plugs. A rotating rotor with internal inclined slots is installed on the internal fixed housing on rollers. Rollers of stocks move along the surface of the inclined slots at rotation of the rotor. Stocks are rigidly attached to the pistons and aligned in bearings of the working cylinders.

EFFECT: improvement of engine efficiency.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. A coaxial internal combustion engine (1) without any crankshaft includes at least one cylinder (3) having a longitudinally located axis (XX), a pair of pistons (5) and (6) installed for the performance of the back-and-forth movement in opposite directions along the longitudinal axis (XX) of the cylinder (3) and two shafts (10) and (12). A space between the pistons (5) and (6) forms a common combustion chamber (7). The first shaft (10) is located parallel to the longitudinal axis (XX) of the cylinder (3) and sideways at some distance from the longitudinal axis (XX). The second shaft (12) is located parallel to the longitudinal axis (XX) of the cylinder (3) and sideways at some distance from the longitudinal axis (XX) of the cylinder. The second shaft (12) is equipped with a through-type longitudinal hole (14), through which the first shaft (10) can pass and be rotated. The pistons (5) and (6) are connected to axially spaced eccentricities (16) and (17). The first eccentricity (16) is supported by the first shaft (10). The second eccentricity (17) is supported by the second shaft (12). The first gear wheel (50) is connected to the first shaft (10). The second gear wheel (50) is connected to the second shaft (12). The first and the second gear wheels (50) are connected by means of a device to provide temporary synchronisation between the first and the second shafts (10) and (12). The back-and-forth movement of the pistons (5) and (6) transmits to the corresponding shafts (10) and (12) the rotational movement in opposite directions to bring the engine into action.

EFFECT: reduction of wear and simplification of the design of the engine.

11 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: proposed machine comprises crankcase with cylinders fitted therein. Pistons are coupled by double-side racks. Every said rack is articulated with main shaft. Motion conditions are ensured by inner-gearing intermittent half-pinions.

EFFECT: expanded performances, possibility of using as high-efficiency ICE.

2 dwg

FIELD: machine building.

SUBSTANCE: piston machine includes a casing with cylinders fixed in it; pistons are connected via two-sided gear racks, each gear rack via shafts with semigears and a number of gears is connected to a root shaft (shafts).

EFFECT: enlarging capabilities of the piston machine; the machine is reversible because it can be used as a high-efficiency internal combustion engine, as well as a compressor or a pump, including a multicylinder one, besides, alignment of piston machines with different dimensions and various purpose is possible: quick-speed internal combustion engine with small dimensions with low-speed internal combustion engine (ICE) with large dimensions, ICE and a compressor, and ICE and a pump.

5 dwg

FIELD: engines and pumps.

SUBSTANCE: non-crank two-stroke internal combustion engine includes cylinder (2), sleeve (3), piston (8) connected to cylinder by means of rotary bodies connected to curved endless slot (14), and outlet shaft (12). Piston (8) consists of two component parts: pusher (9) with bearing (10) and piston head (11) installed on it. Endless curved slot (14) is made on side surface of pusher (9). The latter performs rotational movement transferred to outlet shaft (12). Piston head (11) is capable of back-and-forth movement along outlet shaft (12). Rotary bodies connected to curved endless slot (14) consist of roller bearings (15) installed on bearings (16) mounted in cylinder (2). Torque moment to outlet shaft (12) is transferred through ball bearings (13).

EFFECT: improving reliability and increasing service life due to lower friction coefficient and prevention of jamming of connected parts.

3 cl, 3 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises piston 1 fitted in liner 2 of cylinder 3 secured on housing 4 with internal cylindrical insert 5, and stepped output shaft 6 engaged with piston 1 via motion converter. Axially symmetric piston 1 has its outer surface made up of a set of liner generating lines. Piston 1 is coupled with motion converter by rod 7 with its top head fitted in bearing 8 mounted on piston bottom inner surface. Opposite end of rod 7 is rigidly engaged with motion converter carriage 9 fitted on shaft 10 running in rolling bearings 10 supported by motion converter races. One of surfaces of said race is made on bottom face surface of housing cylindrical insert top section 12 while opposite surface is located top face surface bottom part 13. Step of output shaft 6 coupled with piston via motion converter carriage is shaped to yoke.

EFFECT: higher reliability, reduced overall dimensions.

2 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed internal combustion engine comprises operating cylinder with reciprocating element and mechanism converting reciprocation into rotation that is made up of rotating main drum with guide articulated with reciprocating element. Aforesaid said conversion mechanism is additionally provided with extra rotating drum and synchronising element. Said extra drum is furnished with guide articulated with said conversion mechanism while synchronising element is coupled with both drums.

EFFECT: increased bearing capacity of pin-guide groove pair.

4 cl, 8 dwg

FIELD: engines and pumps.

SUBSTANCE: internal combustion engine comprises cylinder, piston with drive mechanism, straight shaft with T-like ledge, ignition and exhaust gas discharge system. Said drive mechanism is made up of straight shaft made integral with T-like ledge with its one end jointed via bearings with different ellipse-shaped surfaces made inside piston. Shaft with T-like ledge revolves around its axis and along double ellipse inside piston.

EFFECT: simplified design.

6 dwg

FIELD: engines and pumps.

SUBSTANCE: cylinders are located in circumferential direction, connecting-rod-and-piston group is brought into movement with drive sinusoidal disc with two projections and two cavities. Complete operating cycle of internal combustion engine is performed during one disc turn. Drive disc rotates with gas-distributing disc the projections of which control the valves. Connecting-rods are connected in pairs to double-arm lever on the ends of which there fixed are rollers adjacent to drive disc; at that, lever is fixed on the axis of the base by means of eccentric bushing to adjust the gap in roller-disc junction.

EFFECT: reducing metal consumption and labour input during manufacture of engine.

FIELD: machine building.

SUBSTANCE: proposed machine is designed to be used as a compressor or pump. The machine consists of two coaxial pumps linked up by stepwise shaft and piston with enclosed helical groove. Aforesaid piston forms low-pressure chambers in cylinders and is linked with driving disk by draw-bars that interact with the piston groove. Stepwise chamber is arranged inside the piston to make two high-pressure working chambers. There are channels made in the housing, shaft and piston communicating with working chambers to accommodate intake and discharge valves. Proposed invention allows producing compact, two-stage, four-cylinder machine with two-way pistons that generates high-pressure working body that features minimum pulsation and reduced power input.

EFFECT: production of high-pressure machine.

3 cl, 2 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. A coaxial internal combustion engine (1) without any crankshaft includes at least one cylinder (3) having a longitudinally located axis (XX), a pair of pistons (5) and (6) installed for the performance of the back-and-forth movement in opposite directions along the longitudinal axis (XX) of the cylinder (3) and two shafts (10) and (12). A space between the pistons (5) and (6) forms a common combustion chamber (7). The first shaft (10) is located parallel to the longitudinal axis (XX) of the cylinder (3) and sideways at some distance from the longitudinal axis (XX). The second shaft (12) is located parallel to the longitudinal axis (XX) of the cylinder (3) and sideways at some distance from the longitudinal axis (XX) of the cylinder. The second shaft (12) is equipped with a through-type longitudinal hole (14), through which the first shaft (10) can pass and be rotated. The pistons (5) and (6) are connected to axially spaced eccentricities (16) and (17). The first eccentricity (16) is supported by the first shaft (10). The second eccentricity (17) is supported by the second shaft (12). The first gear wheel (50) is connected to the first shaft (10). The second gear wheel (50) is connected to the second shaft (12). The first and the second gear wheels (50) are connected by means of a device to provide temporary synchronisation between the first and the second shafts (10) and (12). The back-and-forth movement of the pistons (5) and (6) transmits to the corresponding shafts (10) and (12) the rotational movement in opposite directions to bring the engine into action.

EFFECT: reduction of wear and simplification of the design of the engine.

11 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises piston 1 arranged in cylinder 3 and connected by rod 5 and pin 4 of converter 8 with output shaft 8, shaft centreline being perpendicular to lengthwise axis of piston 1. Mechanism 8 includes cylinders 10 and 11 aligned in piston axis and connected by pins 9 to spin therein. Cylinders 10 and 11 are engaged via bevel gears 21 and 22 with shaft 6. Rod 5 features triangular profile to run bearings 18 and 19 that prevent turn of rod 5 about its axis. Sine-shape slit 20 is made in inner cylinder 11.

EFFECT: simplified design of converter, higher ICE reliability.

3 dwg

Axial piston engine // 2509213

FIELD: engines and pumps.

SUBSTANCE: proposed engine houses cylinder block with dual-action pistons to interact with bilateral wavy path of distributing rotor. The latter is composed of the shaft with end, radial and Z-shape grooves made on its cylindrical surface, and slide valve rigidly fixed thereon and having bilateral path and openings interacting with appropriate openings and grooves of the shaft. The housing is composed of two halves tightly closed by cover with shaft bearings while two-channel articulated coupling for feed of the engine is fitted on shaft end opposite aforesaid end. Coupling channels are communicated via axial bores in the shaft with Z-like lengthwise grooves and distributing rotor intake/discharge openings. Housing halves are made of light alloy while cylinders are equipped with antifriction liners.

EFFECT: cover flanges allow various design versions, expanded operating performances.

2 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: internal combustion engine comprises a body with oppositely located cylinders and heads, pistons connected to each other with a stem and capable of movement along the axis of the stem, the value of which is equal to the value of travel of the inlet valve, spring-loaded cartridges of cylinders, movable along their axis by the value of travel of the outlet valve, relative to the heads with prechambers arranged in them with supersonic nozzles, and equipped with conical faces, contacting with seats in heads, jackets of a cooling system, with inlet and outlet valves, a spark system of ignition equipped with permanent magnets on a stem and sealed contacts interacting with them on the body. On the outer surface of the central part of the stem, with the diameter equal to the piston diameter, symmetrically relative to the hole for passage of an inlet pipeline made as double-channel and tightly connected with a nozzle, providing for smooth transition towards the cavity of the stem, at both sides there is a pair (or several pairs) of identical closed zigzag-shaped grooves of semicircular cross section with amplitude of oscillations relative to the plane of the normal axis of the stem equal to the half of the piston travel, with which a pair of conical gears interacts by teeth towards each other, mounted on rolling bearings in bosses of opposite walls of the body. Coaxially to holes for passage of the stem, via balls placed in hemispherical seats of the inner surface of conical gear hubs, with quantity equal to quantity of maximum deviations of the grooves at one side from the plane of symmetry, are mounted on the stem of the gear so that in process of reciprocal motion of the stem the gears rotate towards opposite sides and are connected via the third conical gear with the power takeoff shaft. Centres of grooves, balls and hemispherical seats are arranged at any position of the stem at one straight normal axis of the stem. At both ends of the stem there are pistons fixed with the help of balls evenly distributed along the circumference of the stem, capable of movement together with the piston along the grooves of the semicircular cross section along generatrices of the stem relative to its power bottom. The inner part of the bottom is equipped with holes for passage of the combustible mixture, and in its central part there is a bushing with rectangular multiturn thread and a groove in the external end part with a plate of a spring-loaded valve arranged in it for preliminary sealing of the inlet slot.

EFFECT: elimination of loads that are normal to a stem axis, improved cooling and reduced resistance of an inlet pipeline.

2 cl, 2 dwg

FIELD: engines and pumps.

SUBSTANCE: axial piston engine (1) with continuous combustion includes combustion chamber (2) operating based on a two-stage combustion principle and provided with possibility of supplying the working medium leaving it to at least two working cylinders. Series supply of working medium to at least two working cylinders (30) is performed by means of at least one ignition channel (39). The latter is provided per each working cylinder (30) and has the possibility of being opened and closed by means of control piston (40). Versions of design of an axial piston engine and a control method of the axial piston engine operation are described.

EFFECT: improving use efficiency of fuel combustion energy.

53 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: variable-speed axial-piston hydraulic motor comprises cylinder block with pistons and balls resting on disc rigidly coupled with drive shaft. One wavy surface of the latter features maximum elevation angle at the center gradually decreasing toward disc edge. Sais balls cam simultaneously move from disc center to its edges and vice versa. Pump comprises also rotor, shaft, rocker, gears, and manifold with delivery and drain ducts. Proposed device can operate as variable-speed gear and motor-wheel.

EFFECT: pump shaft rpm adjustment with no power loss.

2 dwg

FIELD: engines and pumps.

SUBSTANCE: cylinders are located in circumferential direction, connecting-rod-and-piston group is brought into movement with drive sinusoidal disc with two projections and two cavities. Complete operating cycle of internal combustion engine is performed during one disc turn. Drive disc rotates with gas-distributing disc the projections of which control the valves. Connecting-rods are connected in pairs to double-arm lever on the ends of which there fixed are rollers adjacent to drive disc; at that, lever is fixed on the axis of the base by means of eccentric bushing to adjust the gap in roller-disc junction.

EFFECT: reducing metal consumption and labour input during manufacture of engine.

FIELD: mechanics.

SUBSTANCE: essence of proposed invention consists in that the ICE is made up of two or more opposed pistons linked up by shared sliders incorporating plain bearings or rollers enveloping rotor shaft monorail, a sinusoidal-enclosed ledge. Aforesaid shaft is arranged between said pairs, parallel to their axes. To eliminate loads onto pistons, aforesaid sliders envelope guide supports. Valve gear and injection drive is carried out from distributing flywheels fitted on rotor shaft opposite ends extended over into cylinder block heads. Torque is transferred by p.t.o.-shaft in mesh with the rotor central part.

EFFECT: higher specific output.

2 cl, 8 dwg

FIELD: machine building.

SUBSTANCE: sine-wave-rotor engine incorporates housing accommodating cylinders, each furnished with combustion chamber, working gas feed and discharge ducts. The aforesaid cylinders house pistons with con-rods where gears running in roller bearings and interacting with sine-wave-rotor toothed surface are arranged, the rotor being fitted on the engine main shaft. Cylinders axes can be perpendicular or parallel to the said rotor axis. The said toothed surface can be arranged on the rotor inside or outside sides. The rotor can have three or more top and bottom dead centers. The cylinder outer side surface accommodates split rolling bearings pressed to the cylinder inner surface by thermally expanding rods. The rotor is furnished with a circular ledge on one its side provided with toothed surface and on the other one with a smooth surface mating sine-wave profile of the enveloping toothed surface. Note here that the con-rod of every piston is linked up with the roller interacting with the aforesaid smooth and spring-loaded towards the con-rod for it to be pressed against the rotor body.

EFFECT: reduced lateral loads exerted by pistons on cylinder walls, lower friction factor, increased number of piston working strikes per one revolution of engine main shaft, higher reliability.

FIELD: engines and pumps.

SUBSTANCE: proposed motor-compressor incorporates a drive motor, a cylinder head with inlet and outlet valves, a piston, a cylinder casing and sleeve with curvilinear slots and a shaft with mounting seat for the transmission rolls to thrust against. The shaft mounting seat arranged in the piston represents a stepwise blade coupled with the piston by a rectangular perforated holder with two rows of holes on every working surface receiving the rollers arranged on both sides of the blade and resting on the slot working surfaces. The transmission mechanism includes also the sliding elements (sliders) arranged in the piston and in the raceways made in the casing and the sleeve base. The roller cage can be spring-loaded on both end faces. The motor-compressor shaft blade surfaces for the rollers to rest upon can be depressed along the length equal to the piston stroke.

EFFECT: higher reliability ensured by reducing specific loads on components, simpler motor-compressor design, assembly and repair.

4 dwg, 5 cl

Piston engine // 2244840

FIELD: mechanical engineering.

SUBSTANCE: proposed engine has cylindrical round housing, working spaces, piston and shaft installed on bearings inside housing. Cylinder is rigidly secured on shaft, and hollow piston is arranged coaxially to cylinder. Holding movable joint installed in upper part of piston is made in form of single ball bearings so that half of diameter of bearings is located in conical sockets of fixed stoppers made in housing, and half of diameter, in guide grooves made on outer surface of piston parallel to its axis. Working movable joint placed between cylinder and piston is made in form of single ball bearings. Half of diameter of said bearings is arranged in conical sockets of fixed stoppers located in piston, and half of diameter, in guide grooves made on surface of cylinder in form of one or several parallel closed curves. Exhaust holes are made in housing, and intake valves are located in its end faces. Flywheel is mounted on engine shaft.

EFFECT: simplified design, increased efficiency owing to design peculiarities providing conversion of reciprocation of piston into rotation of shaft.

3 dwg

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