Control valve for a hydraulic brake booster
US6990812B2 · kind B2 · utility
0Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2004 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | May 28, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/142
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A control valve of a hydraulic brake booster for use in a brake system. The control valve is characterized by a shuttle member having a stem on a first end and an annular projection on a second end. The stem has an annular surface thereon that is matched with an orifice from an supply chamber such that metered pressurized fluid is uniformly presented to an actuation chamber to effect a brake application while the annular projection is matched with a flange on an actuator piston such that the pressurized fluid present in the actuation chamber is uniformly metered to a reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.