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公开(公告)号：US20180178612A1
公开(公告)日：2018-06-28
申请号：US15827126
申请日：2017-11-30
Applicant: ClearMotion, Inc.
Inventor： Clive Tucker , Zackary Martin Anderson , David Michael Lewis , Ross J. Wendell , Alexander Apostolos Alexandridis
CPC classification number: B60G17/08 , B60G17/04 , B60G2202/413 , B60G2202/416 , B60G2500/10 , B60G2500/20 , B60G2600/182 , F16F9/367
Abstract: An active suspension system is configured in a strut arrangement. The active suspension system comprises a hydraulic actuator and a hydraulic pump/electric motor assembly, wherein the actuator movement is preferably in lockstep with the hydraulic motor-pump and electric motor-generator combination. Torque in the electric motor is instantaneously controlled by a controller to create an immediate force change on the hydraulic actuator. The hydraulic actuator is configured so that it can be used as a strut whereby the actuator has sufficient structural rigidity to carry the applied suspension loads while capable of supplying damper forces in at least three quadrants of the force velocity graph of the suspension actuator operation. Embodiments disclosed include low cost active suspension systems for a MacPherson strut application.
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公开(公告)号：US11235635B2
公开(公告)日：2022-02-01
申请号：US16589726
申请日：2019-10-01
Applicant: ClearMotion, Inc.
Inventor： Clive Tucker , Zackary Martin Anderson , David Michael Lewis , Ross J. Wendell , Alexander Apostolos Alexandridis
Abstract: An active suspension system is configured in a strut arrangement. The active suspension system comprises a hydraulic actuator and a hydraulic pump/electric motor assembly, wherein the actuator movement is preferably in lockstep with the hydraulic motor-pump and electric motor-generator combination. Torque in the electric motor is instantaneously controlled by a controller to create an immediate force change on the hydraulic actuator. The hydraulic actuator is configured so that it can be used as a strut whereby the actuator has sufficient structural rigidity to carry the applied suspension loads while capable of supplying damper forces in at least three quadrants of the force velocity graph of the suspension actuator operation. Embodiments disclosed include low cost active suspension systems for a MacPherson strut application.
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公开(公告)号：US10471798B2
公开(公告)日：2019-11-12
申请号：US15827126
申请日：2017-11-30
Applicant: ClearMotion, Inc.
Inventor： Clive Tucker , Zackary Martin Anderson , David Michael Lewis , Ross J. Wendell , Alexander Apostolos Alexandridis
Abstract: An active suspension system is configured in a strut arrangement. The active suspension system comprises a hydraulic actuator and a hydraulic pump/electric motor assembly, wherein the actuator movement is preferably in lockstep with the hydraulic motor-pump and electric motor-generator combination. Torque in the electric motor is instantaneously controlled by a controller to create an immediate force change on the hydraulic actuator. The hydraulic actuator is configured so that it can be used as a strut whereby the actuator has sufficient structural rigidity to carry the applied suspension loads while capable of supplying damper forces in at least three quadrants of the force velocity graph of the suspension actuator operation. Embodiments disclosed include low cost active suspension systems for a MacPherson strut application.
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