Involving only straight-line movement of the effective parts (F16F9/16)

Hydraulic shock absorber with electric generator // 2619884
FIELD: mechanical engineering.SUBSTANCE: hydraulic shock absorber comprises a working cylinder 1 with a working fluid and mounted within an integral stem 3 and piston 5 with a compression valve 6 and return valve 7. Compensation chamber 11 is connected to the working cylinder 1 and has an additional piston 12 inside, which separates the working fluid and the inert gas, and a separating piston 14 with the valve 15. The compensation chamber 11 is formed in the cavity of the rod 3. Around the middle part of the compensation chamber 11 there is coil 16 of the linear electric generator, which is concentrically positioned annular permanent magnet 17. The working fluid in the compensation chamber 11 is a ferromagnetic liquid.EFFECT: energy recovery of the shock absorber elements vibrations into the electrical power.1 dwg

Hydraulic damper with electric generator // 2607034
FIELD: machine building.SUBSTANCE: invention relates to automotive industry. Damper comprises working cylinder (1) with working fluid and installed inside rod (2) with spring (3) and composite piston (4) with compression (5) and recoil (6) valves. Compensation chamber (7) is connected with working cylinder (1) via high pressure pipeline (8) and has inside additional piston (9) separating working fluid and inert gas, and dividing piston (10) with valve (11). Around compensation Chamber (7) lower part electric generator winding (12) is installed, concentrically to which annular permanent magnet (13) is arranged. In high pressure pipeline (8) there is sealing piston (14). Working fluid in cavities from sealing piston (14) to additional piston (9) is ferromagnetic fluid. Concentric to sealing (14) and additional (9) pistons annular permanent magnets (15) are arranged.EFFECT: enabling damper elements oscillations energy recovery into electric energy.1 cl, 1 dwg

Electric cylinder with limitation of load and carrier rocket with nozzle, controlled by such electric cylinder // 2604764
FIELD: machine building.SUBSTANCE: group of inventions relates to machine building. Electromechanical drive (10) comprises movable element (14) equipped with connecting element (20) and capable of translational movement relative to holder (12). Absorbing/dissipating energy structure (28, 30) is located on forces transfer path between connecting element (20) and holder (12) and has porous capillary matrix (40) with open porosity and fluid (42). Liquid (42) has wetting angle exceeding 90 relative to said matrix (40) and is chosen so, that part of liquid (42) flows into matrix (40) pores, when this chamber is subjected to pressure higher than first pressure level P1, and independently exit from matrix (40) pores under action of capillary forces, when structure is subjected to pressure lower than second pressure level P2. Second pressure level P2 is below first pressure level P1. Carrier rocket engine comprises electromechanical drive (10) for control of jet nozzle and its retention. Carrier rocket stage comprises such engine. Carrier rocket comprises such stage.EFFECT: enabling reduced size and weight of drive.11 cl, 4 dwg

Hydraulic damper // 2577442
FIELD: machine building.SUBSTANCE: invention relates to machine building. Damper comprises case, where piston assembly is installed coaxially to form a recuperative cavity. Relief valve compression and extension strokes is made in the form of one spring disk. Valve unit is installed on the opposite side of the cylinder and comprises check and safety valves and at least one throttle channel providing for piston and recuperative cavity. At least one additional throttle channel is located in piston assembly in parallel through throttling channel to communicate piston and rod cavity. Check valve covers additional throttle channel on the side of rod cavity. Ratio of total area of flow passage through and additional throttling channels to flow section area of throttling channels arranged in valve unit and connecting the piston and recuperative cavity, is not less than the ratio of area of rod cavity to area of the rod itself.EFFECT: providing symmetry of power characteristic.1 cl, 3 dwg

Hydraulic damper // 2551866
FIELD: machine building.SUBSTANCE: hydraulic damper consists of a working cylinder coupled with a housing via rolling bodies. A piston is made from a magnetic material. A magnetic ring rigidly fixed on the housing is in contact with the piston through an air gap. Two splined pins made from resilient materials are mounted inside the working cylinder coaxially. The splined pins are interconnected with mating splines of the piston halves. Each of the piston halves is spring-loaded in respect to the working cylinder and is fitted with vertical throttle channels. The channels pass into L-shaped channels on the outer surfaces. The outlet holes of the channels adjoin plates with a gap. The plates are rigidly fixed on the piston halves.EFFECT: change of damping characteristics.3 dwg

Hydraulic shock absorber with controlled characteristic // 2547106
FIELD: machine building.SUBSTANCE: shock absorber consists of a working cylinder, inside which a piston is installed, and a compensation chamber. The piston is made of two plates having ring-shaped slots to pass damping fluid with a gasket in-between. The slots in the plates are arranged so that the holes can be partially or completely closed at turning of the plates in respect to each other. A rebound valve and a compression valve with springs and weights fixed at the valve heads are installed in the piston. The upper piston plate can be turned in respect to the lower plate. The turn is carried out by the spring rigidly connected to a rod and a bush. In case of ambient air temperature changes, the spring changes its length and turns the upper plate in respect to the lower one. The compensation chamber is fitted by two pistons inside, one of them has a valve, the other one separates the working fluid and inert gas.EFFECT: invention ensures good shock absorbing properties of a car suspension in the wide range of working temperatures and parts of mass fluctuations thus allowing for the decrease of impact loads on the units and load-bearing elements when riding on bumpy roads.2 dwg

Shock-absorber with increased dissipating ability and practically without oil // 2547023
FIELD: machine building.SUBSTANCE: invention relates to machine building. The shock-absorber contains stock-piston assembly (2), that moves with sliding in the tubular casing (3). Stock-piston assembly limits together with the tubular casing two work chambers (11A, 11B) with hydraulic fluid. Each work chamber (11A, 11B) is permanently connected with the secondary chamber (12A, 12B) containing heterogeneous structure (14, 15) for energy absorption-dissipation, it is capillary-porous matrix (14) and fluid (15) for which the matrix is lyophobic. Secondary chambers (12A, 12B) are ring chambers made in the wall of the tubular casing (3) from both sides of the central part (28). Each secondary chamber (12A, 12B) has flexible casing (13A, 13B) containing the heterogeneous structure (14, 15). Each of two work chambers (11A, 11B) is connected via the reverse device (22A, 22B) with the compensation chamber (17A, 17B) made at the appropriate end of the tubular casing (3). The compensation chambers (17A, 17B) ensure continuity of the hydraulic fluid during movement of the stock-piston assembly (2) in the tubular casing (3).EFFECT: increased dissipating ability of the shock-absorber containing minimum quantity of oil, and stable work under conditions of increased loads and speeds.25 cl, 9 dwg

Hydraulic telescopic shock absorber of acs // 2537353
FIELD: machine building.SUBSTANCE: shock absorber contains external cylinder with a support ball device and eye ring. In the external cylinder the internal and intermediate cylinders are installed, they are linked with above piston cavity. The above piston cavity is provided with shutoff valves connected with the discharge nozzle and drainage nozzle. The shutoff valve has control device for its forced opening. The damping device contains ring piston resting against spring, and bypass channels with adjusting ring.EFFECT: possibility to adjust rigidity of the damper, stability of contact between the casing and ground support, increased accuracy of shooting.1 dwg

Hydraulic damper // 2525345
FIELD: machine building.SUBSTANCE: damper consists of a casing in which a cylinder with a piston is installed coaxially and forms a recuperative cavity. The piston is fitted by relief valves for compression and extension strokes. The rod is rigidly coupled with the piston comprising at least one through throttle channel providing for the communication between the rod and head ends. A guide covers the cylinder from the top and is equipped by an antifriction bush and a rod sealing unit. The valve unit is mounted on the opposite cylinder side and is fitted by a check valve and a safety valve and at least one throttle channel providing for the communication between the head end and the recuperative cavity. The relief valves are made as one spring disk of the piston installed with preload and resting against the upper piston edge along the outer diameter, and being pressed by the lower edge of a thrust washer set on the rod - along the inner diameter.EFFECT: simplified design and improved operation reliability and efficiency of a damper at high vibration frequency.3 cl, 4 dwg

Adaptive shock absorber // 2500936
FIELD: machine building.SUBSTANCE: shock absorber includes an external tube-reservoir and a working cylinder, which form an annular cavity. A solid piston with a stock is arranged inside the working cylinder in a movable manner. There are through working openings in upper and lower parts of shock absorber walls. Bypass valves are installed at the bottom and the stock guide. There is a restricted closed cavity in the annular cavity, which attaches upper and lower working openings to the inlet cavity of the adjustable electromagnetic valve. A bypass valve is installed on the lower working opening. The valve gate is movably located on outer surface of the guide sleeve by means of a spring. A control gate pressed to the pusher with the spring is movably fixed on the inner surface of the guide sleeve. There are through segmented tangential slots made on side cylindrical surfaces of the guide sleeve, valve and control gates.EFFECT: improving reliability and simplifying the design of shock absorber.2 cl, 13 dwg

Damper // 2500935
FIELD: machine building.SUBSTANCE: damper (3) includes closed tank (4) filled with liquid or gaseous medium. Tank (4) is made from elastic material and divided with a narrowing into the first (6) and the second (7) chambers. The first chamber (6) is enclosed with tubular cover (9) and has the possibility of volume reduction due to piston (10) that is submerged into cover (9) and exerts pressure on tank (4). The second chamber (7) has the possibility of free expansion with rise of correction forces of cover (7a) of the chamber.EFFECT: improving damper reliability.6 cl, 4 dwg

Hydraulic damper // 2495295
FIELD: machine building.SUBSTANCE: damper includes a base with a rigidly fixed stock at its bottom, and guide, elastic and damping devices. Guide device is made in the form of a cylindrical sleeve with formation of a tight annular cavity between outer surface of a stock and inner surface of a sleeve. Bottom of the sleeve is fixed in the sleeve rigidly attached to the base of a protected object. An elastic device is located in the annular cavity. Lower part of the elastic device is supported on the bottom and upper part is supported on the piston. The piston is made in the form of a disk and located with a throttling gap relative to the stock. In upper part of the stock there located is a movable cover plate relative to the stock, which consists of an annular flange with a seal relative to the stock and a sleeve rigidly attached to the flange and enveloping the outer surface of the cylindrical sleeve through a seal. Upper part of the elastic device is made in the form of a cylindrical spring, the upper end face of which is supported on the cover plate, and the lower one is supported on the piston. A supporting element of the vibroisolated object is fixed on the cover plate. Lower part of the elastic device is made in the form of a pack of flat annular springs fixed in the sleeve by means of an elastic spacer sleeve and stiff supports. Annular springs are fixed on the stock with their central part made in the form of a hole coaxial to the stock through a stiff spacer sleeve. The stock is hollow and has an inner threaded hole in its lower part and connected to a threaded bar rigidly attached to the bottom through a stiff support and an elastic washer.EFFECT: improving reliability of a damper and vibration isolation efficiency.2 cl, 3 dwg

Combined elastically damping device // 2495294
FIELD: machine building.SUBSTANCE: device includes a base, and guide and shock-absorbing devices. A stock is rigidly fixed in the bottom of a cylindrical sleeve with formation of a tight annular cavity. Bottom of the cylindrical sleeve is fixed in the sleeve rigidly attached to the base of a protected object. A spring is located in the annular cavity and supported with its lower end face from the bottom and with its upper end from the piston. The piston is made in the form of a disk and located with a throttling gap relative to the stock. A cover plate that is movable relative to the stock is located in upper part of the stock. Cover plate consists of an annular flange with a seal and a sleeve rigidly attached to the flange and enveloping the outer surface of a cylindrical sleeve through the seal. Spring is located coaxially to the stock and its upper end face is supported from the cover plate and its lower end face is supported from the piston. A supporting element of the vibroisolated object is fixed on the cover plate. On the sleeve flange there rigidly fixed is an elastically damping device consisting of lower and upper support flanges of a plate type. Elastically damping element made from twisted wire of thread waste type is located between flanges. Upper threaded end of the stock is connected to a threaded hole in upper supporting flange. In the elastically damping device there is a through central hole for passage of the stock.EFFECT: higher vibration isolation efficiency.1 dwg

Adaptive shock absorber of suspension of transport vehicle // 2479766
FIELD: machine building.SUBSTANCE: shock absorber includes an operating cylinder, inside which a piston with a hollow stock moved in the guide and covered with a cover plate from above is arranged in a movable manner. A limiting sleeve enclosing a stock is installed in the operating cylinder. Upper working through openings are made in lower part of the stock. A tube is rigidly and concentrically fixed inside the stock on the piston. A spring-loaded valve with through lower working openings is installed on lower tube end in a movable manner in axial direction. A closed cavity between a stock and the tube is connected via a pipeline to an inlet cavity of the controlled electromagnetic valve. Shock absorber includes a control unit, an accumulating tank and a controlled hydraulic differential valve with electromagnetic control. The inner tube cavity is connected to the outlet cavity of the electromagnetic valve. Through tangential openings (throttle and valve one) are made on the plunger and the sleeve. A bypass valve is arranged on side cylindrical surface of the tube.EFFECT: improving reliability and simplifying the design of shock absorber.11 dwg

Adaptive shock absorber of suspension of transport vehicle // 2474739
FIELD: machine building.SUBSTANCE: shock absorber includes an external tube-reservoir fixed in the stock guide and forming an annular cavity with a working cylinder. A piston with a stock is arranged inside the cylinder in movable manner. Upper and lower through working openings are made in the cylinder walls. Bypass valves are installed at the bottom of the cylinder and in the guide. Shock absorber includes a control unit and an adjustable electromagnetic valve of indirect action, which is installed in the tube-reservoir. Main valve pressed with a spring to the housing is arranged in the cavity of the main valve. Spring-loaded valve of direct action, which is rigidly connected to the electromagnet armature connected to the control unit, is arranged in the cavity of the control valve. A restricted closed cavity connecting an above-piston cavity through upper working opening to inlet cavity of electromagnetic valve is formed in annular cavity by means of a closed element. Below-piston cavity is connected via lower working opening through bypass valve to inlet cavity of electromagnetic valves, and annular cavity is connected to its outlet cavity.EFFECT: improving reliability and simplifying the design of shock absorber.10 dwg

Automotive suspension adaptive damper // 2469225
FIELD: transport.SUBSTANCE: damper comprises working cylinder, control unit and accumulation tank. Piston with hollow rod is arranged inside working cylinder to displace therein. Said rod is closed by cover with elements for attachment to vehicle. Indirect-action controlled solenoid valve comprises distribution chamber and serial inlet chamber, outlet annular chamber, gate chamber and that of control valve. Working cylinder top cylindrical part accommodates limiting bush surrounding said rod. Rod bottom section has through upper working openings. Tube with spring-loaded valve with through lower working openings arranged at its lower end, inside said rod in piston, and rigidly secured therein. Closed cavity between rod and tube at rod top is communicated with inlet chamber of said controlled solenoid valve while tube top is communicated with distribution chamber of said solenoid valve.EFFECT: higher reliability, simplified design.8 dwg

Automotive suspension adaptive damper // 2469224
FIELD: transport.SUBSTANCE: damper comprises external tube secured on rod guide, idle cylinder and working cylinder with piston secured on rod. Indirect-action controlled solenoid valve is arranged inside said tube. Valve inlet communicates with chamber composed by said working and idle cylinders. Valve outlet communicates with chamber made by idle cylinder and tube. Working cylinder piston and rod end chambers are communicated with chamber made by external tube and idle cylinder by means of bypass valves arranged in rod guide and base. Working cylinder walls have through working walls to communicate piston and rod end chambers with chamber made by working and idle cylinder. Bypass valve is arranged at lower working opening.EFFECT: higher reliability, simplified design.9 dwg

Suspension with variable force and damping // 2467223
FIELD: transport.SUBSTANCE: invention relates to machine building, particularly, to vehicle suspensions. The suspension includes operating cylinder damper body with two springs. One spring is installed between damper body and piston connected with dismountable rod. The rod consists of upper half inside which channel is drilled for liquid input for damping control, and lower half. Piston with choke valves is fixed between halves of rod. The second spring is installed between the piston connected with rod and the piston forming cavity for liquid in the lower part of cylinder to change force.EFFECT: possibility of stepless force and damping regulation.3 dwg

Device for damping stretching and contracting forces // 2449911
FIELD: transport.SUBSTANCE: device 100 comprises damping system 10 retained in case 11 and provided with flexible element 12, and hydraulic damping device. Device 100 has also piston con rod 2 to displace in lengthwise direction L relative to case 11 and piston head 3 formed in con rod face section. Piston head 3 is retained in hydraulic chamber 7 to displace relative to first hydraulic chamber 17. Piston head divides first hydraulic chamber 17 into front part 17a distant from con rod 2 and rear part located nearby con rod 2. Hydraulic damper has first system to transfer hydraulic fluid from front part 17a via extra valve 4 into rear part and second hydraulic chamber 18 is piston head moves along first hydraulic chamber 17 toward front part 17a. Hydraulic damper has second system to transfer hydraulic fluid from rear part and second hydraulic chamber 18 via ball check valve into front part 17a if piston head 3 moves along first hydraulic chamber toward rear part.EFFECT: reduced wear and device length.24 cl, 7 dwg

Absorber // 2446970
FIELD: transport.SUBSTANCE: invention relates to machine building and serves to absorb and dissipate energy of impacts in couplers of vehicles. Proposed absorber comprise cylinder made up of two separated chambers filled with elasto-plastic fluid. One chamber has cylinder bottom and rod with piston. Second chamber has cylinder bottom and rod with piston. Said rod is provided with central chambers. Elastic elements are arranged on outer side of every chamber, aligned with cylinder. Elastic elements are made from elasto-plastic material. Piston is provided with check valve and calibrated clearance to allow overflow of working fluid.EFFECT: higher dissipative properties.1 dwg

Absorbing apparatus // 2446068
FIELD: transport.SUBSTANCE: invention relates to transport machine building. Proposed absorber comprises cylinder with two intercommunicated chambers filled with visco-elastic fluid. In one of said chambers accommodates cylinder bottom and rod-piston to allow working fluid overflow. Besides, flexible elements are arranged in one of said chambers aligned with cylinder body. Elastic elements are made from visco-elastic material divided by separators. Said separators are aligned with said body and have diametral grooves, orifices and central channels to allow overflow of said visco-elastic fluid between said chambers.EFFECT: improved ergonomics and dissipative properties of absorber.3 cl, 2 dwg

Hydraulic telescopic damper of suspension of vehicle // 2437010
FIELD: machine building.SUBSTANCE: damper consists of reservoir 1, and of arranged in it cylinder 3 with piston 13 and rod 14, of inlet valve 4 with supplying channels 5 and fixture elements. Rod 14 passes through guide 7, covering cylinder 3 from top and secured with nut 10. A relief valve in piston 13 connects piston cavity 36 of cylinder 3 with rod cavity 16. Overload valve 27 with a throttle channel connects rod cavity 16 of cylinder 3 with cavity 6 of reservoir 1 through bypass tube 24. Overload valve 27 with the throttle channel is located beyond borders of guide 7 and is set in cartridge 26 on a shank end of tube 24. Tube 24 connects rod cavity 16 of cylinder 3 with cavity 6 of reservoir 1. Guide 7 is made of two parts connected on ends.EFFECT: simplified design of damper, its raised reliability, reparability and processability.2 dwg

Hydraulic damper // 2435999
FIELD: machine building.SUBSTANCE: damper consists of base and of guiding and damping devices. A rod is rigidly fixed in a bottom of the cylinder sleeve forming a pressure tight circular cavity. The bottom of the cylinder sleeve is secured in a bush rigidly jointed to the base of a protected object. A spring in the circular cavity with its lower end rests against the bottom, while with its upper end - against a piston. The piston corresponds to a disk with a throttling orifice relative to a rod. A cover moveable relative to the rod is positioned in an upper section of the rod. The cover consists of a circular flange with a packing and a bush rigidly tied with the flange. The bush envelops external surface of the cylinder sleeve by means of the packing. A spring, an upper end of which rests against the cover, while a lower one - against the piston, is located coaxially to the rod. A bearing element of the vibration insulated object is fixed on the cover.EFFECT: raised efficiency of vibration insulation.1 dwg

Suspension of transport facility // 2434758
FIELD: transport.SUBSTANCE: invention relates to vibration killers. Suspension comprises moving parts and base. Lower shackle is articulated by means of support on said base. Said support is rigidly jointed with the base. Suspension flexible element is made up of three interconnected flexible elements. Helical coil spring is arranged at the center to rest, by one end, upon chassis moving parts web and, by opposite end, on hydraulic damper circular flange. Said damper is formed by two aligned cylindrical shells. Tight annular chamber is formed between outer and inner shells. Movable annular flange with seals arranged on inner and outer surface covers top section of said chamber while annular washer covers its bottom section. Annular chamber accommodates annular piston with throttling holes. Said piston is articulated with annular flange whereon thrusts the spring. Guide rod is located coaxial with said shells. Lower end of guide rod is rigidly jointed with lower shackle while its upper end is locked on aforesaid web by flexible element made from elastomer.EFFECT: higher efficiency of vibration isolation.1 dwg

Hydraulic damper // 2409777
FIELD: machine building.SUBSTANCE: damper consists of case, of enclosed in it cylinder, of rod installed in cylinder, of stop and piston with relief orifices arranged successively on rod, and of valve unit made as packages of disks of various diametre, upper of which interacts with stop. The stop has circular grooves on external surface, whereon there are loosely fit compressed disks of the valve unit; notably, the package of disks of smaller diametre interacts with the end of the grooving, while the package of the disks of bigger diametre interacts with the end of the piston. On the circular working face at the upper end of the piston there is installed the working package of flexible disks centred along external diametre in the central cavity of the fixed cover, positioned in side slots of the rod. The spring-loaded valve is loosely fit with its internal diametre on external surface of the rod, while with its lower end it overlaps internal diametre of the package of the flexible disks, thus facilitating a calculated gap between the lower end of the valve and the central stop of the piston.EFFECT: increased stability of rebound valve operation.4 dwg

Hydraulic shock absorber with controlled characteristic // 2402703
FIELD: machine building.SUBSTANCE: shock absorber consists of working cylinder, inside of which there is installed piston with throttling orifices. A rebound valve and compression valve, shutting throttle orifices, are installed in the piston. Tightness of each valve adjoining the piston is ensured by means of a spring with a washer. A rod is attached to the piston by means of thread. Overload relief rebound and compression valves are arranged around the working cylinder along periphery. Springs of the overload relief valves have different rigidity. Each overload relief valve is installed in a case and is compressed to a seat by means of a spring. The seat of each overload relief valve is pressed into the case. The overload relief valves are coupled with the working cylinder by means of pipes with connectors. Inside a compensating chamber has a piston dividing working fluid and inert gas- nitrogen. The compensating chamber is coupled with the working cylinder by means of a high-pressure pipeline. On top the working cylinder is closed with a nut. A collar of the rod is installed between the rod and the nut of the working cylinder to ensure pressure tightness.EFFECT: increased smoothness of run and reduced roll of car body.2 dwg

Damper // 2398987
FIELD: transport.SUBSTANCE: proposed damper comprises multilayer rod with layers of different acoustic compliance. Every said layer represents thick-wall cylinder on foot with thread made on cylinder inner surface and foot outer surface. Tight casing is filled with fluid and arranged on the rod. Damping elements represent split plates that form lugs. Each lug is perforated and features intrinsic frequency of elastic vibrations. Distance from foot outer surface to nearest perforated hole makes at least 1/3 of lug length.EFFECT: improved damping properties.6 dwg

Vibration insulating system by kochetov // 2390669
FIELD: machine building.SUBSTANCE: vibration insulating system consists of four dampers with pendulum suspension, which are connected with support elements of equipment. The damper consists of compression spring interacting with base of case and the pendulum suspension. The damper also consists of the base, of the guiding device and of a shock-absorbing device pivotally joined with the base by means of a bracket with a base. The damper is formed with two coaxial cylinder sleeves. A pressure tight circular cavity is formed between external and internal sleeves. An upper part of the cavity is closed with a movable circular flange with packing along internal and external surfaces, while a lower one is closed with a circular washer. A circular piston with throttling holes is arranged in the circular cavity. The piston is hinged by means of at least three rods with the circular flange whereupon a spring rests. An upper base of the spring thrusts against a cover rigidly connected with a rod of the damper. A bushing is rigidly tied with the cover and operates as a guide for the spring. The rod is installed coaxially to sleeves. A lower end of the rod is connected with a vibration protected object, while an upper one is connected with the cover.EFFECT: increased efficiency of anti-vibration in resonance mode and simplification of design and assembly of damper.2 dwg

Anti-vibration platform for operator // 2385429
FIELD: machine building.SUBSTANCE: anti-vibration platform consists of rigid frame, of floor and of flexible elements joining frame with base. The flexible elements are tied with the frame by means of hinged lever coupling the frame with a support element of a bumper. The bumper is equipped with flexible and damping elements and with a pendulum suspension all arranged in the case of the anti-vibration assembly. The case is formed with upper and lower bases rigidly connected to side plates and forming an aperture for projection of a bearing plate. With its one end the bearing plate is connected with the pendulum suspension, while with its another end it is connected with an object protected from vibration. An aperture for pendulum suspension rod passage is made in the upper base of the case. Diametre of the aperture coincides with diametre of internal cylinder surface of the damping element.EFFECT: upgraded efficiency of vibration isolation and simplified design.3 dwg

Anti-vibration system for machine-tools // 2385428
FIELD: machine building.SUBSTANCE: anti-vibration system consists of at least four bumpers of different stiffness. A platform rests on two vertically arranged bumpers and of a bumping element. One bumper is installed over a free end of the platform and with another end it is attached to a lever. At least two bumpers are fastened to the lever on opposite sides relative to the free end of the platform. The bumping element formed with two axial cylinder sleeves is mounted on the opposite end of the platform. A pressure tight circular cavity is formed between external and internal sleeves. An upper part of the cavity is closed with a movable circular flange, while the lower one is closed with a circular washer. A circular piston with throttling holes is arranged in the circular cavity. The piston is hinged by means of at least three rods with the circular flange whereupon a spring rests. An upper base of the spring thrusts against a cover rigidly connected with a rod of the damper. A bushing is rigidly tied with the cover and operates as a guide for the spring. The rod is installed coaxially to sleeves. A lower end of the rod is connected with a vibration protected object, while an upper one is connected with the cover.EFFECT: increased efficiency of anti-vibration in resonance mode.3 dwg

Hydraulic damper // 2385427
FIELD: machine building.SUBSTANCE: damper consists of base, of guiding device and of shock-absorbing device pivotally joined with the base by means of bracket. The damper is formed with two coaxial cylinder sleeves. A pressure tight circular cavity is formed between external and internal sleeves. An upper part of the cavity is closed with a movable circular flange with packing along internal and external surfaces, while a lower one is closed with a circular washer. A circular piston with throttling holes is arranged in the circular cavity. The piston is hinged by means of at least three rods with the circular flange whereupon a spring rests. An upper base of the spring thrusts against a cover rigidly connected with a rod of the damper. A bushing is rigidly tied with the cover and operates as a guide for the spring. The rod is installed coaxially to sleeves. A lower end of the rod is connected with a vibration protected object, while an upper one is connected with the cover.EFFECT: increased efficiency of anti-vibration in horizontal direction, simplified design and improved operational characteristics.1 dwg

Spring bumper with pendulum suspension // 2385426
FIELD: machine building.SUBSTANCE: bumper consists of compression spring interacting with base of case and pendulum suspension. The damper consists of the base, of the guiding device and of a shock-absorbing device pivotally joined with the base by means of a bracket. The damper is formed with two coaxial cylinder sleeves. A pressure tight circular cavity is formed between external and internal sleeves. An upper part of the cavity is closed with a movable circular flange with packing along internal and external surfaces, while a lower one is closed with a circular washer. A circular piston with throttling holes is arranged in the circular cavity. The piston is hinged by means of at least three rods with the circular flange whereupon a spring rests. An upper base of the spring thrusts against a cover rigidly connected with a rod of the damper. A bushing is rigidly tied with the cover and operates as a guide for the spring. The rod is installed coaxially to sleeves. A lower end of the rod is connected with a vibration protected object, while an upper one is connected with the cover.EFFECT: increased efficiency of anti-vibration in resonance mode and simplification of design and assembly of bumper.1 dwg

Telescopiform bearing pneumatic shock adsorber (tbpsa) // 2376511
FIELD: machine building.SUBSTANCE: invention relates to field of mechanical oscillations antihunting, particularly in suspensions of vehicles. Pneumatic shock absorber contains casing with fixation facilities to one part of object. In casing it is installed hollow piston (3) with fixation facilities to other part of object. Piston (7) is connected by bar to casing. Switching-valve package allows spring-loaded gate, installed with ability of communication to each other of adjacent head ends. Control assembly of gate contains electronic commutator, connected at inlet to electronic sensors, and at outlet to drive of gate of switching-valve package. Bar is implemented as hollow. In bar there are implemented drain ports with all head ends. Gate in the form of hollow cylinder is located nearby drain port of middle head end.EFFECT: design simplification, refinement of damping.6 cl, 1 dwg

Telescopic element with internal stop to be overcome // 2358169
FIELD: mechanics.SUBSTANCE: telescopic element includes cylinder where rod with piston is installed so that it can slide telescopically. The internal stop mechanism is overcome by exceeding the preset effort when rod leans against walls inside the cylinder in the direction of compression. The internal stop mechanism is provided with stopping item, which continues inside the said rode in the open hole and projects behind it. The stopping item is retained on rod by means of pin.EFFECT: simple design.4 cl, 1 dwg

Friction absorbing device coupler // 2198809
The invention relates to railway vehicles, in particular to a friction absorbing apparatus coupler

A linear motor // 2172053

Hydraulic telescopic twin-tube damper suspension vehicle // 2128302
The invention relates to transport machinery and can be used in hanging devices vehicles
 
2550947.
Up!