Master cylinder comprising a resupply-promoting seal
US7937940B2 · kind B2 · utility
7Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2008 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Nov 6, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T11/232
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Brake master cylinder (10) for a motor vehicle, of the type which comprises a substantially axial body (12) inside a bore (14) of which at least one axial piston is slideably mounted, of the type in which the bore (14) comprises two seals, front (30, 34) and rear, interposed between the piston and the bore (14), the seals (30, 34) comprising three radially concentric lips accommodated in grooves (70, 72) in the bore (14), characterized in that front faces of the grooves (70, 72) are configured at least in part as a slope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.