CN213870901U - Shock absorber with damping force transversely adjusted at top - Google Patents
Shock absorber with damping force transversely adjusted at top Download PDFInfo
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- CN213870901U CN213870901U CN202022669123.8U CN202022669123U CN213870901U CN 213870901 U CN213870901 U CN 213870901U CN 202022669123 U CN202022669123 U CN 202022669123U CN 213870901 U CN213870901 U CN 213870901U
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Abstract
The utility model discloses a shock absorber with damping force transversely adjusted at the top, which comprises a liquid storage cylinder assembly, wherein the liquid storage cylinder assembly comprises a liquid storage cylinder and a working cylinder, a piston rod is arranged in the working cylinder, an adjusting rod sliding cavity and a damping adjusting cavity are arranged in the piston rod from top to bottom, the damping adjusting cavity is communicated with the adjusting rod sliding cavity and the working cylinder, an overflow hole is arranged on the piston rod, and a damping adjusting mechanism is arranged on the piston rod; the damping adjusting mechanism is arranged on the piston rod, and the relative position of the conical bulge of the valve rod and the damping adjusting cavity is adjusted through the adjusting valve, so that the flow of the damping oil flowing out through the damping adjusting cavity is adjusted, and the damping force of the recovery valve assembly can be adjusted; the utility model discloses a governing valve setting is on the upper portion of piston rod, through adjusting the governing valve, and then the position of adjusting valve rod, need not dismantle easy operation, swift to the loading end during the operation.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field especially relates to a bumper shock absorber of top lateral adjustment damping force.
Background
The shock absorber is one of the indispensable components of vehicle chassis assembly, and the theory of operation is: during the running of the vehicle, the impact and vibration from the ground are transmitted to the liquid storage cylinder and the piston rod, so that the piston rod reciprocates in the working cylinder, and the flow of the damping oil in the working cylinder is controlled by the compression valve and the recovery valve to realize damping vibration attenuation. When the external impact and vibration are large, the flow of the damping oil in the hydraulic cylinder is large, the working load of the damper is large, and damping force needs to be damped to meet different working conditions. The existing damper with adjustable damping is mostly vertically adjusted, and the damper is installed on a frame, so that the damper needs to be detached during adjustment, and the process is complicated and time-consuming.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bumper shock absorber of top lateral adjustment damping force to above-mentioned prior art not enough.
In order to solve the above problems, the utility model adopts the following technical proposal:
a shock absorber with damping force adjusted transversely at the top comprises a liquid storage cylinder assembly, wherein a compression valve assembly, a recovery valve assembly and an oil seal guide assembly are arranged in the liquid storage cylinder assembly from bottom to top; an adjusting rod sliding cavity and a damping adjusting cavity are arranged in the piston rod from top to bottom, the damping adjusting cavity is communicated with the adjusting rod sliding cavity and the working cylinder, an overflow hole is formed in the side wall of the piston rod above the recovery valve assembly, and the overflow hole is communicated with the adjusting rod sliding cavity and the inner cavity of the working cylinder;
the damping adjusting mechanism is arranged on the piston rod and comprises a valve rod, an adjusting rod and an adjusting valve, the valve rod is arranged in an adjusting rod sliding cavity in a sliding mode, a conical bulge is arranged on the lower portion of the valve rod, the conical bulge on the lower portion of the valve rod is arranged in the damping adjusting cavity in a sliding mode, and the shape and the size of the conical bulge are matched with those of an inner hole of the damping adjusting cavity;
the regulating valve is arranged on the upper portion of the piston rod and comprises a regulating valve seat, a regulating valve element and a regulating valve element positioning rod, a first cavity body for the regulating valve element to slide and a second cavity body for the regulating valve element positioning rod to slide are arranged in the regulating valve seat, the second cavity body is coaxial with and communicated with a regulating rod sliding cavity, a valley-shaped groove is formed in the regulating valve element, the head of the regulating valve element positioning rod is abutted to the groove of the regulating valve element, the regulating rod is arranged in the regulating rod sliding cavity in a sliding mode, and two ends of the regulating rod are respectively abutted to the valve rod and the regulating valve element positioning rod.
Furthermore, the bottom of the piston rod is provided with a first threaded hole, a hollow bolt is arranged in the first threaded hole in a matched mode, and the damping adjusting cavity is arranged at the screw end of the hollow bolt.
Furthermore, a plurality of sealing grooves are formed in the valve rod, O-shaped sealing rings are arranged in the sealing grooves, and the O-shaped sealing rings are in interference fit with the inner wall of the sliding cavity of the adjusting rod.
Furthermore, a push rod is fixedly arranged on the adjusting valve core, an internal thread is arranged on the inner wall of a first cavity on the adjusting valve seat, an adjuster assembly is arranged in the first cavity in a threaded connection mode, the adjuster assembly comprises a connecting threaded sleeve, the outer wall of the connecting threaded sleeve is in threaded connection with the first cavity, a threaded through hole is formed in the connecting threaded sleeve along the axis direction, a positioning bolt is arranged in the threaded through hole in a matched mode, and the screw end of the positioning bolt is abutted to the push rod.
Further, positioning bolt is socket head cap screw, the screw-thread fit is provided with the mount pad on the connecting screw, be provided with the mounting hole on the mount pad, be provided with the dwang in the mounting hole, the dwang rotates to set up in the mounting hole of mount pad, the dwang includes head and pole portion, the pole portion of dwang passes terminal setting in the hexagon socket head cavity of positioning bolt head behind the mounting hole, the shape size of pole portion with hexagonal looks adaptation in positioning bolt's the head.
Further, the head of dwang is provided with the holding tank, be provided with spring and steel ball in the holding tank, spring one end and holding tank bottom butt, the spring other end and steel ball butt, steel ball and mount pad butt, the pole portion of dwang is provided with spacing separation blade, spacing separation blade sets up between holding screw and mount pad.
Further, the regulator assembly still includes the regulator upper cover, the rotor head sets up in the regulator upper cover, regulator upper cover lateral wall is provided with screw hole two, two interior screw-thread fit in the screw hole of regulator upper cover are provided with holding screw, holding screw and the head butt of dwang.
Furthermore, a rubber dustproof cover is arranged at the top of the liquid storage barrel assembly.
Furthermore, the piston rod is provided with an anti-vibration buffer block, and the anti-vibration buffer block is positioned between the recovery valve assembly and the oil seal guide assembly.
Furthermore, a rubber bushing assembly is fixedly arranged at the bottom of the liquid storage cylinder assembly, and a gland assembly is fixedly arranged at the top of the piston rod.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the damping adjusting mechanism is arranged on the piston rod, and the relative position of the conical bulge of the valve rod and the damping adjusting cavity is adjusted through the adjusting valve, so that the flow of the damping oil flowing out through the damping adjusting cavity is adjusted, and the damping force of the recovery valve assembly can be adjusted; the utility model discloses a governing valve setting is on the upper portion of piston rod, through adjusting the governing valve, and then the position of adjusting valve rod, need not dismantle easy operation, swift to the loading end during the operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a partially enlarged view of C in fig. 3.
In the figure: 1. a compression valve assembly; 2. a recovery valve assembly; 3. an oil seal guide assembly; 4. a liquid storage barrel; 5. a working cylinder; 6. a piston rod; 7. a regulating rod sliding cavity; 8. a damping adjustment chamber; 9. an overflow aperture; 10. a valve stem; 11. adjusting a rod; 12. adjusting a valve; 13. adjusting the valve seat; 14. a conical projection; 15. adjusting the valve core; 16. adjusting a valve core positioning rod; 17. a groove; 18. a hollow bolt; 19. an O-shaped sealing ring; 20. a push rod; 21. connecting a threaded sleeve; 22. positioning the bolt; 23. a mounting seat; 24. rotating the rod; 25. a spring; 26. a steel ball; 27. a limiting baffle plate; 28. an upper cover of the regulator; 29. tightening the screw; 30. a rubber dust cover; 31. an anti-vibration buffer block; 32. a rubber bushing assembly; 33. the gland assembly.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, the shock absorber of the present invention for adjusting damping force laterally at the top comprises a liquid storage cylinder assembly, wherein a compression valve assembly 1, a rebound valve assembly 2 and an oil seal guiding assembly 3 are arranged in the liquid storage cylinder assembly from bottom to top, the liquid storage cylinder assembly comprises a liquid storage cylinder 4 and a working cylinder 5, damping oil is filled in the working cylinder, nitrogen is filled in the liquid storage cylinder, a piston rod 6 is arranged in the working cylinder 5, and the rebound valve assembly 2 is fixedly arranged at one end of the piston rod 6 and slides along the inner wall of the working cylinder 5; an adjusting rod sliding cavity 7 and a damping adjusting cavity 8 are arranged in the piston rod 6 from top to bottom, the damping adjusting cavity 8 is communicated with the adjusting rod sliding cavity 7 and the working cylinder 5, an overflow hole 9 is formed in the side wall of the piston rod 6 above the recovery valve assembly 2, and the overflow hole 9 is communicated with the adjusting rod sliding cavity 7 and the inner cavity of the working cylinder 5;
the damping adjusting mechanism is arranged on the piston rod 6 and comprises a valve rod 10, an adjusting rod 11 and an adjusting valve 12, the valve rod 10 is arranged in an adjusting rod sliding cavity 7 in a sliding mode, a conical protrusion 14 is arranged on the lower portion of the valve rod 10, the conical protrusion 14 on the lower portion of the valve rod 10 is arranged in the damping adjusting cavity 8 in a sliding mode, and the shape and the size of the conical protrusion 14 are matched with an inner hole of the damping adjusting cavity 8;
the regulating valve 12 is arranged on the upper portion of the piston rod 6, the regulating valve 12 comprises a regulating valve seat 13, a regulating valve core 15 and a regulating valve core positioning rod 16, a first cavity for sliding the regulating valve core 15 and a second cavity for sliding the regulating valve core positioning rod 16 are arranged in the regulating valve seat 13, the second cavity is coaxial and communicated with the regulating rod sliding cavity 7, a valley-shaped groove 17 is formed in the regulating valve core 15, the head of the regulating valve core positioning rod 16 is abutted against the groove 17 of the regulating valve core 15, the regulating rod 11 is slidably arranged in the regulating rod sliding cavity 7, and two ends of the regulating rod 11 are respectively abutted against the valve rod 10 and the regulating valve core positioning rod 16.
The damping adjusting mechanism is arranged on the piston rod 6, the relative position of the conical bulge 14 of the valve rod 10 and the damping adjusting cavity 8 is adjusted through the adjusting valve 12, so that the flow of the damping oil flowing out through the damping adjusting cavity 8 is adjusted, and the damping force of the recovery valve assembly 2 can be adjusted; the utility model discloses a governing valve 12 sets up on the upper portion of piston rod 6, through adjusting governing valve 12, and then adjusting valve rod 10's position, need not dismantle easy operation, swift to the loading end of bumper shock absorber during the operation.
Further, the bottom of the piston rod 6 is provided with a first threaded hole, the first threaded hole is internally provided with a hollow bolt 18 in a threaded fit mode, the damping adjusting cavity 8 is arranged at the screw rod end of the hollow bolt 18, damping oil enters the damping adjusting cavity 8 from the nut end of the hollow bolt, flows out of a cavity where the valve rod 10 is located through a gap between the damping adjusting cavity 8 and the conical protrusion 14 on the valve rod 10, and finally flows out of the working cylinder through the overflow hole 9. During assembly, firstly, lubricating grease is coated on the valve rod 10, the valve rod is plugged into the bottom of the piston rod 6, the hollow bolt 18 is screwed in, the adjusting rod 11 with proper length is placed into the top of the piston rod 6, and finally the adjusting valve 12 is installed.
Further, be provided with a plurality of seal grooves on the valve rod 10, be provided with O type sealing washer 19 in the seal groove, O type sealing washer 19 and regulation pole sliding chamber 7 inner wall interference fit. By providing the O-ring 19, damping oil can be prevented from flowing into the cavity above the valve stem 10.
Further, a push rod 20 is fixedly arranged on the adjusting valve core 15, an internal thread is arranged on the inner wall of a first cavity on the adjusting valve seat 13, an adjuster assembly is arranged in the first cavity in a threaded connection mode, the adjuster assembly comprises a connecting threaded sleeve 21, the outer wall of the connecting threaded sleeve 21 is in threaded connection with the first cavity, a threaded through hole is formed in the connecting threaded sleeve 21 along the axis direction, a positioning bolt 22 is arranged in the threaded through hole in a matched mode, and the screw end of the positioning bolt 22 is abutted to the push rod 20.
Further, positioning bolt 22 is socket head cap screw, it is provided with mount pad 23 to connect screw thread fit on swivel nut 21, be provided with the mounting hole on the mount pad 23, be provided with dwang 24 in the mounting hole, dwang 24 rotates and sets up in the mounting hole of mount pad 23, dwang 24 includes head and pole portion, terminal setting is in the hexagon socket head cap cavity of positioning bolt 22 head behind the pole portion of dwang 24 passes the mounting hole, the shape size of pole portion with hexagon socket head cap phase adaptation in positioning bolt 22's the head.
Further, the head of dwang 24 is provided with the holding tank, be provided with spring 25 and steel ball 26 in the holding tank, spring 25 one end and holding tank bottom butt, the spring 25 other end and steel ball 26 butt, steel ball 26 and mount pad 23 butt, the pole portion of dwang 24 is provided with spacing separation blade 27, spacing separation blade 27 sets up between holding screw 29 and mount pad 23. Through setting up spacing separation blade 27, can prevent dwang 24 from the roll-off in the mount pad 23, also can guarantee that the pole portion of dwang 24 is in the hexagon socket head cap cavity of positioning bolt 22 head all the time. Through setting up spring 25 and steel ball 26, the spring provides the tight power in top, can avoid the dwang to rock too big in the mounting hole of mount pad. The steel ball is arranged between the spring and the mounting seat, and when the rotating rod rotates, the rolling groove matched with the steel ball is arranged on the mounting seat, the friction force of the steel ball is small, and the steel ball is convenient to rotate.
Further, the regulator assembly still includes regulator upper cover 28, the setting of 24 heads of dwang is in regulator upper cover 28, the 28 lateral walls of regulator upper cover are provided with screw hole two, two interior screw-thread fit in the screw hole of regulator upper cover 28 are provided with holding screw 29, holding screw 29 and the head butt of dwang 24, through setting up holding screw 29, can guarantee that regulator upper cover 28 and dwang 24 do not take place relative movement, dwang 24 can synchronous rotation when guaranteeing to rotate regulator upper cover 28.
Further, a rubber dust cover 30 is arranged at the top of the liquid storage barrel assembly to play a role of dust prevention.
Further, the piston rod 6 is provided with an anti-vibration buffer block 31, and the anti-vibration buffer block 31 is located between the recovery valve assembly 2 and the oil seal guide assembly 3. Through setting up antivibration buffer block 31, play the effect of buffering damping, prevent that rebound valve assembly 2 and oil blanket direction assembly 3 from colliding with.
Further, a rubber bushing assembly 32 is fixedly arranged at the bottom of the liquid storage cylinder assembly, a gland assembly 33 is fixedly arranged at the top of the piston rod 6, and the rubber bushing assembly 32 and the gland assembly 33 are used as a loading connecting end to be connected with a frame and a vehicle body.
The utility model discloses when needs adjust damping force, rotate regulator upper cover 28, regulator upper cover 28 drives dwang 24 and rotates for positioning bolt 22 advances or retreats in connecting swivel nut 21, and positioning bolt 22 promotes adjusting valve core 15. Because the wave valley-shaped groove is formed in the adjusting valve core 15, the adjusting valve core positioning rod can move on the slope surface, when the adjusting valve is adjusted to the maximum gear, the adjusting valve core positioning rod is positioned at the wave crest of the groove, the pressure is maximum, the damping force is maximum at the moment, otherwise, the minimum gear is positioned at the wave trough of the groove, the pressure is minimum at the moment, and the damping force is minimum.
The liquid storage cylinder of the shock absorber is a closed cavity, and the pressure of the cavity is larger than normal air pressure due to the fact that nitrogen is filled in the cavity, and the valve rod has a force which continuously rises due to the fact that the piston rod is provided with the overflow hole, so that the force for pushing the adjusting rod and adjusting the valve core positioning rod to move upwards is achieved. When the valve rod slides upwards, the gap between the damping adjusting cavity and the valve rod is increased, the damping force is reduced, and when the valve rod slides downwards, the gap between the damping adjusting cavity and the valve rod is reduced, and the damping force is increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a shock absorber of damping force is transversely adjusted at top, includes the liquid receiver assembly, be provided with compression valve assembly (1), recovery valve assembly (2) and oil blanket direction assembly (3) from the bottom up in the liquid receiver assembly, the liquid receiver assembly includes liquid receiver (4) and working cylinder (5), its characterized in that: a piston rod (6) is arranged in the working cylinder (5), and the recovery valve assembly (2) is fixedly arranged at one end of the piston rod (6) and slides along the inner wall of the working cylinder (5); an adjusting rod sliding cavity (7) and a damping adjusting cavity (8) are arranged in the piston rod (6) from top to bottom, the damping adjusting cavity (8) is communicated with the adjusting rod sliding cavity (7) and the working cylinder (5), an overflow hole (9) is formed in the side wall of the piston rod (6) and located above the recovery valve assembly (2), and the overflow hole (9) is communicated with the adjusting rod sliding cavity (7) and the inner cavity of the working cylinder (5);
the damping adjusting mechanism is arranged on the piston rod (6) and comprises a valve rod (10), an adjusting rod (11) and an adjusting valve (12), the valve rod (10) is arranged in an adjusting rod sliding cavity (7) in a sliding mode, a conical protrusion (14) is arranged on the lower portion of the valve rod (10), the conical protrusion (14) on the lower portion of the valve rod (10) is arranged in the damping adjusting cavity (8) in a sliding mode, and the shape and the size of the conical protrusion (14) are matched with the inner hole of the damping adjusting cavity (8);
the adjusting valve (12) is arranged on the upper portion of the piston rod (6), the adjusting valve (12) comprises an adjusting valve seat (13), an adjusting valve core (15) and an adjusting valve core positioning rod (16), a first cavity for the sliding of the adjusting valve core (15) and a second cavity for the sliding of the adjusting valve core positioning rod (16) are arranged in the adjusting valve seat (13), the second cavity is coaxial and communicated with the adjusting rod sliding cavity (7), a valley-shaped groove (17) is arranged on the adjusting valve core (15), the head of the adjusting valve core positioning rod (16) is in butt joint with the groove (17) of the adjusting valve core (15), the adjusting rod (11) is arranged in the adjusting rod sliding cavity (7) in a sliding mode, and two ends of the adjusting rod (11) are in butt joint with the valve rod (10) and the adjusting valve core positioning rod (16) respectively.
2. A top lateral damping force absorber according to claim 1, wherein: the bottom of the piston rod (6) is provided with a first threaded hole, a hollow bolt (18) is arranged in the first threaded hole in a matched mode, and the damping adjusting cavity (8) is arranged at the screw rod end of the hollow bolt (18).
3. A top lateral damping force absorber according to claim 1, wherein: the novel adjustable valve is characterized in that a plurality of sealing grooves are formed in the valve rod (10), O-shaped sealing rings (19) are arranged in the sealing grooves, and the O-shaped sealing rings (19) are in interference fit with the inner wall of the adjusting rod sliding cavity (7).
4. A top lateral damping force absorber according to claim 1, wherein: the adjusting valve core (15) is fixedly provided with a push rod (20), the inner wall of a first cavity on the adjusting valve seat (13) is provided with an internal thread, the internal thread of the first cavity is connected with an adjuster assembly, the adjuster assembly comprises a connecting threaded sleeve (21), the outer wall of the connecting threaded sleeve (21) is in threaded connection with the first cavity, the connecting threaded sleeve (21) is provided with a threaded through hole along the axis direction, the threaded through hole is matched with the internal thread of a positioning bolt (22), and the screw end of the positioning bolt (22) is abutted to the push rod (20).
5. A top lateral damping force absorber according to claim 4, wherein: positioning bolt (22) are socket head cap screw, it is provided with mount pad (23) to connect screw thread fit on swivel nut (21), be provided with the mounting hole on mount pad (23), be provided with dwang (24) in the mounting hole, dwang (24) are rotated and are set up in the mounting hole of mount pad (23), dwang (24) are including head and pole portion, the pole portion of dwang (24) passes terminal setting in the hexagon socket head cap cavity of positioning bolt (22) head behind the mounting hole, the shape size of pole portion with hexagon socket head cap phase adaptation in the head of positioning bolt (22).
6. A top lateral damping force absorber according to claim 5 wherein: the head of dwang (24) is provided with the holding tank, be provided with spring (25) and steel ball (26) in the holding tank, spring (25) one end and holding tank bottom butt, the spring (25) other end and steel ball (26) butt, steel ball (26) and mount pad (23) butt, the pole portion of dwang (24) is provided with spacing separation blade (27), spacing separation blade (27) set up between holding screw (29) and mount pad (23).
7. A top lateral damping force absorber according to claim 6, wherein: the regulator assembly still includes regulator upper cover (28), dwang (24) head sets up in regulator upper cover (28), regulator upper cover (28) lateral wall is provided with screw hole two, two interior screw-thread fit in the screw hole of regulator upper cover (28) are provided with holding screw (29), holding screw (29) and the head butt of dwang (24).
8. A top lateral damping force absorber according to claim 1, wherein: and a rubber dustproof cover (30) is arranged at the top of the liquid storage barrel assembly.
9. A top lateral damping force absorber according to claim 1, wherein: and the piston rod (6) is provided with an anti-vibration buffer block (31), and the anti-vibration buffer block (31) is positioned between the recovery valve assembly (2) and the oil seal guide assembly (3).
10. A top lateral damping force absorber according to claim 1, wherein: the bottom of the liquid storage cylinder assembly is fixedly provided with a rubber bushing assembly (32), and the top of the piston rod (6) is fixedly provided with a gland assembly (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022669123.8U CN213870901U (en) | 2020-11-18 | 2020-11-18 | Shock absorber with damping force transversely adjusted at top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022669123.8U CN213870901U (en) | 2020-11-18 | 2020-11-18 | Shock absorber with damping force transversely adjusted at top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870901U true CN213870901U (en) | 2021-08-03 |
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ID=77034512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022669123.8U Active CN213870901U (en) | 2020-11-18 | 2020-11-18 | Shock absorber with damping force transversely adjusted at top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213870901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022200829A1 (en) | 2022-01-26 | 2023-07-27 | Zf Friedrichshafen Ag | Vibration damper with a working medium connection |
-
2020
- 2020-11-18 CN CN202022669123.8U patent/CN213870901U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022200829A1 (en) | 2022-01-26 | 2023-07-27 | Zf Friedrichshafen Ag | Vibration damper with a working medium connection |
| DE102022200829B4 (en) | 2022-01-26 | 2023-10-26 | Zf Friedrichshafen Ag | Vibration damper with a working medium connection |
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