Master cylinder comprising a seal and an associated groove promoting resupply
US7934378B2 · kind B2 · utility
4Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2008 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Oct 28, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/56
- WIPO fieldMechanical elements
- 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 the seals (30, 34) comprise central lips of reduced cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.