Suspension device
US10076943B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 6, 2015 |
| Grant date | Sep 18, 2018 |
| Priority date | — |
| Expiry date | Nov 6, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2600/70
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A suspension device includes: a damper that has an extension-side chamber and a contraction-side chamber; an extension-side passage connected to the extension-side chamber; a contraction-side passage connected to the contraction-side chamber; a switching device that connects one of the extension-side passage and the contraction-side passage to the supply passage and connecting the other of the extension-side passage and the contraction-side passage to the discharge passage selectively; an extension-side damping element provided in the extension-side passage; a contraction-side damping element provided in the contraction-side passage; a control valve capable of adjusting a pressure in the supply passage; an intake check valve provided midway in the intake passage; and a supply-side check valve provided in the supply passage between the control valve and the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.