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公开(公告)号：US20240253413A1
公开(公告)日：2024-08-01
申请号：US18633141
申请日：2024-04-11
Applicant: Gene Hawkins
Inventor： Gene Hawkins
IPC: B60G17/0165 , B60G13/00 , B60G13/06 , B60G17/015 , B60G17/019 , B60G17/08
CPC classification number: B60G17/0165 , B60G13/003 , B60G13/06 , B60G17/0152 , B60G17/01908 , B60G17/08
Abstract: A fluid spring mass damper for a motor vehicle may include a housing to be mounted to the vehicle and defining a cavity therein with opposed ends sealing the cavity, a damper mass received within and movable along the cavity, a first compressible fluid disposed within the cavity between the mass and one of the opposed ends of the housing to form a first fluid spring, and a second compressible fluid disposed within the cavity between the mass and the other of the opposed ends of the housing to form a second fluid spring, and an actuator configured to be responsive to a drive signal to cause the damper mass to move within the cavity against a bias of at least one of the first and second fluid springs so as to cancel or reduce dynamic movement of at least one component of the motor vehicle.
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公开(公告)号：US11993117B2
公开(公告)日：2024-05-28
申请号：US17875179
申请日：2022-07-27
Applicant: Fox Factory, Inc.
Inventor： Christopher Paul Cox
CPC classification number: B60G13/06 , B62K25/04 , F16F9/065 , B60G2202/24 , B60G2300/12 , B60G2500/10
Abstract: A damper is provided having a twin tube construction interconnected to a gas reservoir. The connection of each of the inner and outer volumes of the twin tube to the gas reservoir is independently valved, and each of these valves are independently settable to change the differential pressure thereacross at which they open. The damper provides flow passages directly from the inner and outer volumes to enable flow form the compression to rebound sides thereof, as well as through the valved connections to the gas reservoir and at least one valved opening in the damper piston.
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公开(公告)号：US20240025220A1
公开(公告)日：2024-01-25
申请号：US18023943
申请日：2021-08-30
Applicant: Hitachi Astemo, Ltd.
Inventor： Sadatomo MATSUMURA , Koichi YAMAKA , Naoya TOKOO , Yoshihiro YAMAGUCHI
CPC classification number: B60G3/06 , B60G13/06 , B60G15/063 , B60G2200/142
Abstract: This shock absorber is disposed between a vehicle body and an axle. The shock absorber includes a bottomed cylindrical cylinder, a spring seat, and a mold release rib. The spring seat is formed integrally with the cylinder. The spring seat protrudes in a radial direction of the cylinder from the cylinder to support a suspension spring. The mold release rib is formed integrally with the cylinder and the spring seat. The mold release rib connects an outer circumferential portion of the spring seat and the cylinder. The mold release rib has a face part provided at an outer end portion of the cylinder in the radial direction.
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公开(公告)号：US20210309062A1
公开(公告)日：2021-10-07
申请号：US16838148
申请日：2020-04-02
Applicant: ThyssenKrupp Bilstein of America Inc. , thyssenkrupp AG
Inventor： Alexander Dixon , Bill Bryant , Chad Smith , Clayton Kantner
Abstract: A damper with a main damper assembly includes a damper tube with a damping fluid. A main working piston divides a main fluid chamber into a piston rod side and a non-piston rod side. The main fluid chamber has an upper zone, a lower zone and a mid-zone. A secondary damper assembly with a secondary working piston is in fluid communication with the main damper assembly. When the main working piston travels in the mid-zone, fluid is caused to pass through the main working piston and the secondary working piston to generate a first damping force and when the main working piston travels in either of the upper and lower zone, fluid is caused to pass only through the main working piston to generate a second damping force, wherein the first damping force is less than the second damping force.
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公开(公告)号：US10569610B2
公开(公告)日：2020-02-25
申请号：US15788653
申请日：2017-10-19
Applicant: Fox Factory, Inc.
Inventor： Christopher Paul Cox
Abstract: A damper is provided having a twin tube construction interconnected to a gas reservoir. The connection of each of the inner and outer volumes of the twin tube to the gas reservoir is independently valved, and each of these valves are independently settable to change the differential pressure thereacross at which they open. The damper provides flow passages directly from the inner and outer volumes to enable flow form the compression to rebound sides thereof, as well as through the valved connections to the gas reservoir and at least one valved opening in the damper piston.
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Patent Agency Ranking
公开(公告)号：US20190293145A1
公开(公告)日：2019-09-26
申请号：US16353319
申请日：2019-03-14
Applicant: ZF Friedrichshafen AG
Inventor： Robert HENNEBERG , Björn SCHULZ
Abstract: A pressure stop cap for a motor vehicle vibration damper includes a disk-shaped end portion which is formed in an end area of the pressure stop cap and forms a rebound surface for an impact absorber, a tubular portion extending axially from the disk-shaped end portion, and at least one vent opening which is arranged adjacent to the end portion in the end area of the pressure stop cap and extends radially through the tubular portion. The pressure stop cap has a groove-like circumferential recess which is formed at its outer surface and which divides the outer surface of the pressure stop cap axially into a first pressure stop cap portion and a second pressure stop portion, the first pressure stop cap portion being formed in the area of the end portion. The cross section of the first pressure stop cap portion is larger than the cross section of the pressure stop cap in the area of the circumferential recess, and the cross section of the second pressure stop cap portion is larger than the cross section of the pressure stop cap in the area of the circumferential recess.
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公开(公告)号：US10317273B2
公开(公告)日：2019-06-11
申请号：US15555190
申请日：2015-05-26
Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.
Inventor： Toshikazu Minoshima
Abstract: An object of the present invention is to provide a new load measuring apparatus for a construction machine that enables more enhancing measurement precision by monitoring a condition of a suspension cylinder. The load measuring apparatus for a construction machine according to the present invention is provided with a loading weight arithmetic module 111 that calculates a loading weight on the basis of loads of plural suspension cylinders 51 and a loading weight confirmation module 112 that outputs the calculated loading weight when the loads of the suspension cylinders 51 are all equal to or larger than a specified value and makes the calculated loading weight ineffective without outputting the loading weight when any one of the loads is below the specified value.
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公开(公告)号：US10167920B2
公开(公告)日：2019-01-01
申请号：US15374411
申请日：2016-12-09
Applicant: Viking Performance, Inc.
Inventor： Christopher J. King , Jacob A. Neuman
Abstract: An adjustment control for adjusting a damping curve of a shock absorber includes an aperture seat coupled to a base of the shock absorber. The aperture seat defines a flow tube. A plug, in mechanical communication with a spring, slidably engages the flow tube. A plug nut is threadably coupled to an adjustment nut shaft stud and is in mechanical communication with the spring. An adjustment nut is coupled to the base. The adjustment nut has a non-circular cavity to receive at least a portion of the adjustment nut shaft stud and at least a portion of the non-circular region of the plug nut such that the plug nut cannot rotate relative to the non-circular cavity of the adjustment nut. An adjustment knob causes rotation of the adjustment nut shaft stud. The rotation of the adjustment nut shaft stud causes axial movement of the plug nut.
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公开(公告)号：US10113604B2
公开(公告)日：2018-10-30
申请号：US13794332
申请日：2013-03-11
Applicant: Fox Factory, Inc.
Inventor： Everet Owen Ericksen , Christopher Paul Cox , Wesley E. Allinger
Abstract: A vehicle damper comprises a fluid filled cylinder, a piston for movement within the cylinder, at least two fluid ports formed in the piston and at least one shim at least partially blocking the ports. In one embodiment, a fluid collection area is formed between the ports and the shim, the collection area permitting communication between fluid in the ports. In another embodiment, the piston includes at least one aperture constructed and arranged to receive a threaded bleed valve.
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公开(公告)号：US10040328B2
公开(公告)日：2018-08-07
申请号：US15387236
申请日：2016-12-21
Applicant: Fox Factory, Inc.
Inventor： John Marking
Abstract: A vehicle suspension damper includes: a cylinder and a piston assembly, wherein the piston assembly includes a piston; a working fluid within the cylinder; a bypass cylinder surrounding the cylinder and defining a cylindrical bypass channel; an adjustable bypass port fluidly coupling an interior of the cylinder and the cylindrical bypass channel; and a remotely operable bypass valve slidably disposed within the cylindrical bypass channel, the remotely operable bypass valve configured for, upon actuation of an actuator coupled with the remotely operable bypass valve, adjusting a flow of the working fluid through the adjustable bypass port.
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