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公开(公告)号：US12070981B2
公开(公告)日：2024-08-27
申请号：US17507169
申请日：2021-10-21
申请人： Fox Factory, Inc.
发明人： Connor Randall
CPC分类号： B60G17/08 , B60G13/08 , F16F9/466 , B60G15/062 , B60G2202/24 , B60G2400/252 , B60G2400/5182 , B60G2400/7162
摘要： An internal stroke sensor for an IFP shock assembly is disclosed herein. The shock assembly includes a damper chamber and a damping piston coupled to a piston shaft. The damping piston disposed in the damper chamber and axially movable relative to the damper chamber, the damping piston separating a compression portion from a rebound portion within the damper chamber. The shock assembly also includes an internal floating piston (IFP) and an IFP location sensor. The IFP location sensor to determine a position information for the IFP. A processor is configured to receive the position information for the IFP from the IFP location sensor and utilize the position information for the IFP to determine a shock stroke position of the shock assembly.
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公开(公告)号：US20240239149A1
公开(公告)日：2024-07-18
申请号：US18154443
申请日：2023-01-13
申请人： Öhlins USA Inc.
CPC分类号： B60G15/062 , B60G17/021 , B60G2202/413
摘要： A damper assembly includes a first cylinder defining a first chamber and a second cylinder defining a second chamber. The damper assembly includes a piston rod extending from within the first chamber along an axis to the second cylinder. The damper assembly includes a piston fixed to the piston rod and movable within the first chamber along the axis. The damper assembly includes a plunger movable within the second chamber along the axis from a compact position to an extended position. The damper assembly includes a coil spring surrounding the first cylinder and the second cylinder.
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公开(公告)号：US20240227488A1
公开(公告)日：2024-07-11
申请号：US18560050
申请日：2021-07-26
申请人： KYB Corporation
发明人： Takahisa MOCHIZUKI
CPC分类号： B60G17/08 , B60G15/062 , B60G2202/312 , B60G2300/12 , B60G2500/30
摘要： A shock absorber with a vehicle height adjustment function according to the present invention includes a shock absorber main body that includes a cylinder filled with liquid, a piston that partitions inside of the cylinder into an extension side chamber and a compression side chamber, a piston rod coupled to the piston, a suspension spring that biases the shock absorber main body in an extending direction, a reservoir that accumulates liquid, a damper circuit that is connected to the extension side chamber, the compression side chamber, and the reservoir and generates a damping force in the shock absorber main body at the time when the shock absorber main body expands/contracts, a pump that is able to suck liquid from the reservoir and discharge the liquid, and a switching valve that is installed between the shock absorber main body and the damper circuit and the pump and switches a damper mode in which the shock absorber main body is connected to the damper circuit so as to generate a damping force in the shock absorber main body and a vehicle height adjustment mode in which the shock absorber main body is connected to the pump.
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公开(公告)号：US12023975B2
公开(公告)日：2024-07-02
申请号：US17912060
申请日：2020-03-18
发明人： Weizhen Jia
CPC分类号： B60G15/068 , B60G15/062 , F16F13/007 , B60G2202/312 , B60G2204/128 , B60G2204/41 , B60G2204/418 , B60G2800/162
摘要： A strut assembly includes a piston rod of a shock absorber, an upper support of the shock absorber, a bearing, a spring and a buffer block, which are coaxially arranged. The upper support of the shock absorber has a first through hole, the bearing has a second through hole, and a portion of the upper support of the shock absorber is arranged in the second through hole, the buffer block has a third through hole, and one end of the piston rod of the shock absorber is located in the first through hole, the other end of the piston rod of the shock absorber passes through the third through hole, the buffer block is connected with the upper support of the shock absorber, the spring is sleeved around the piston rod of the shock absorber, and the spring is connected with the bearing. The present disclosure further provides a vehicle.
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公开(公告)号：US12017496B2
公开(公告)日：2024-06-25
申请号：US17694568
申请日：2022-03-14
申请人： Hitachi Astemo, Ltd.
发明人： Masato Tokuhara
IPC分类号： B60G15/06 , B60G17/015 , B60G17/018 , B60G17/019
CPC分类号： B60G17/0157 , B60G15/062 , B60G17/0182 , B60G2202/42 , B60G2300/12 , B60G2400/20 , B60G2400/25 , B60G2400/91 , B60G2500/30 , B60G2600/602 , B60G2600/604 , B60G2800/914
摘要： This motor shaft state detection method has: a rotation determination step for determining, using a detected current waveform of a motor, whether or not to be a non-rotational state in which the rotational speed of the motor is smaller than a predetermined speed; a current determination step for determining whether or not to be a supply state in which the absolute value of current supplied to the motor is larger than a predetermined reference value; and a determination step for, when it is determined to be the non-rotational state in the rotation determination step and it is determined to be the supply state in the current determination step, determining that the motor is in a shaft locked state.
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公开(公告)号：US11912091B2
公开(公告)日：2024-02-27
申请号：US17549332
申请日：2021-12-13
发明人： Shota Tanzan , Etsuo Katsuyama
IPC分类号： B60G17/018 , B60G15/06 , B60G17/015 , B60G17/016 , B60G17/019 , B60G17/0195 , B62D5/04
CPC分类号： B60G17/018 , B60G17/0157 , B60G17/0164 , B60G17/01908 , B60G17/0195 , B62D5/0418 , B60G15/062 , B60G2202/42 , B60G2800/916
摘要： A roll vibration damping control system includes an electronic control unit configured to: compute a sum of a product of a roll moment of inertia and a roll angular acceleration of a vehicle body, a product of a roll damping coefficient and a first-order integral of the roll angular acceleration, and a product of an equivalent roll stiffness of the vehicle and a second-order integral of the roll angular acceleration, as a controlled roll moment to be applied to the vehicle body; compute a roll moment around a center of gravity of a sprung mass as a correction roll moment, the roll moment being generated by lateral force on wheels due to roll motion; and compute a target roll moment based on a value obtained by correcting the controlled roll moment with the correction roll moment.
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公开(公告)号：US11833877B2
公开(公告)日：2023-12-05
申请号：US17563131
申请日：2020-06-04
申请人： AUDI AG
发明人： Walter Schmidt , Michael Gradl
CPC分类号： B60G17/08 , B60G15/062 , B60G2202/312 , B60G2204/40 , B60G2206/41 , B60G2500/30 , B60G2800/162 , B60G2800/914
摘要： A spring damper apparatus for a vehicle, with a hydropneumatic system, via which a wheel of the vehicle can be braced spring-mounted and damped on a body of the vehicle. The hydropneumatic system includes a first chamber delimited at least partially by a partition element, in which a fluid acting on the partition element is accommodated. In addition, the hydropneumatic system includes a second chamber separated from the first chamber by the partition element and delimited by the partition element, in which a gas forming a gas spring and acting on the partition element is accommodated. In addition, the hydropneumatic system includes a housing in which the fluid is accommodated. In addition, the hydropneumatic system includes a piston shiftably accommodated in the housing and acting on the fluid, via which piston the wheel can be braced on the body.
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公开(公告)号：US20230301231A1
公开(公告)日：2023-09-28
申请号：US18204699
申请日：2023-06-01
发明人： Jeffrey Zeiler , Todd Johnson , Christopher Krajewski , Nicholas Zeidler , Jacob Schmalz , Bryan Keith Dandridge , Ryan Jaskowiak , Matthew Steven Zurawski , Ryan Hahn
IPC分类号： A01D34/66 , A01D34/00 , A01D34/71 , A01D34/78 , A01D34/82 , A01D67/04 , B60G15/06 , B60K1/02 , B60K7/00 , B60K35/00 , B60N2/015 , B62D1/04 , B62D15/02 , B62D21/02 , B62D21/11 , E01H5/06
CPC分类号： A01D34/66 , A01D34/008 , A01D34/71 , A01D34/78 , A01D34/824 , A01D67/04 , B60G15/062 , B60G15/067 , B60K1/02 , B60K7/0007 , B60K35/00 , B60N2/015 , B62D1/046 , B62D15/021 , B62D21/02 , B62D21/11 , E01H5/061 , B60K2370/143 , B60K2370/152 , A01D2101/00
摘要： An outdoor power equipment device, such as a lawn mower, includes a main chassis having first and second pivot joints, a first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels.
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公开(公告)号：US11718137B2
公开(公告)日：2023-08-08
申请号：US17185766
申请日：2021-02-25
申请人： Fox Factory, Inc.
CPC分类号： B60G15/062 , F16F9/3264 , F16F9/5126 , B60G2202/312 , B60G2500/114
摘要： A shock assembly with automatically adjustable ride height is disclosed. The assembly includes a main chamber including a fluid therein. A pump tube within the main chamber, the pump tube having a fluid flow path internal thereto, the pump tube disposed axially along a center of the main chamber. A damping piston coupled to a shaft, the damping piston and a portion of the shaft disposed axially about the pump tube, the damping piston disposed in the main chamber to divide the main chamber into a compression side fluid chamber and a rebound side fluid chamber. An automatic ride height adjustment assembly including a tube-in-shaft pump assembly and a spring preload piston assembly.
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公开(公告)号：US11649872B2
公开(公告)日：2023-05-16
申请号：US17393828
申请日：2021-08-04
发明人： Robert Barton
CPC分类号： F16F9/38 , B60G15/062 , F16F9/3207 , B60G2202/312 , B60G2204/40 , B60G2206/012 , B60G2206/41 , B60G2800/162 , F16F2230/105
摘要： A shock absorber for a vehicle suspension system may include a damper tube having an axis defining an axial direction extending between a first end and a second end, a bumper cap, and a dust gaiter operably coupled to the bumper cap. The bumper cap may have a cover portion and a retention portion. The cover portion may be operably coupled to the second end of the damper tube, and the retention portion may extend along a lateral periphery of the damper tube to an opposite end of the bumper cap relative to the cover portion. The retention portion may include a continuous ring at a distal end of the bumper cap relative to the cover portion to define a limit for movement of the dust gaiter along the bumper cap in the axial direction. The continuous ring may be retained by a plurality of fixed fingers that extend from the cover portion to the continuous ring. A movable finger is disposed between each of the fixed fingers, each instance of the movable finger having a radially extending locking tab to engage the dust gaiter. Each instance of the moveable finger has a radial deflection rate of less than about 8 N/mm.
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