公开(公告)号：US20240010039A1

公开(公告)日：2024-01-11

申请号：US18023446

申请日：2021-08-31

Applicant: ClearMotion, Inc.

Inventor： Brian Alexander Selden ,  Eric Phares Reeder ,  Clive Tucker ,  Mathijs van Staalduinen ,  Cameron D. Peterson ,  Thomas McVay ,  Andrew Kegan Proeschel

IPC: B60G13/08 ,  F15B1/02

CPC classification number: B60G13/08 ,  F15B1/021 ,  B60G2202/416 ,  B60G2202/154

Abstract: Hydraulic systems and methods for reducing the propagation of flow and/or pressure fluctuations within a hydraulic system with a differential buffer are described. A differential buffer may include a first internal volume, a second internal volume, and a barrier separating at least a portion of the first internal volume and at least a portion of the second internal volume. The barrier may move to mitigate pressure and/or flow fluctuations in the first internal volume and the second internal volume by passive destructive interference.

公开(公告)号：US20220185056A1

公开(公告)日：2022-06-16

申请号：US17437612

申请日：2020-03-11

Applicant: ClearMotion, Inc.

Inventor： Joseph Thomas Belter ,  Brian Alexander Selden ,  Jason Steven Sirois ,  Mathijs van Staalduinen ,  Clive Tucker ,  Taha Zeki Ramazanoglu

IPC: B60G17/08 ,  B60G15/06

Abstract: Active suspension actuator systems including an actuator with a compression volume and an extension volume are described. In some embodiments, the system includes one or more flow control devices in fluid communication with the compression volume and/or the extension volume of the actuator. In some instances, a flow control device may include a pressure balanced blow-off valve (PBOV). In some embodiments, the system includes a high capacity bidirectional base valve. In some embodiments, two or more flow control devices cooperate to, for example, damp low amplitude oscillations in the extension and/or compression volumes, and to allow the build-up of pump generated differential pressures while discharging rapid road induced differential pressure spikes between the extension and compression volumes.