Vehicle brake booster with two-part air valve and method of assembling
US6516705B2 · kind B2 · utility
4Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2001 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Feb 27, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T8/3275
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air valve assembly is provided for a power piston in a vacuum brake booster including an input element with a hollow axial extension. The hollow axial extension includes a retaining portion. An output element is provided that includes an input extension slidably positioned within the hollow axial extension. The input extension includes an outer groove formed thereon and a ring member is disposed in the outer groove, the ring positioned adjacent the retaining portion to prevent separation of the input element and outer element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.