Braking circuit master cylinder lip seal
US8590304B2 · kind B2 · utility
5Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2009 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | May 8, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T11/236
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Master cylinder of a hydraulic braking circuit, particularly for a motor vehicle, comprising a piston (2) sliding axially in a body (4) comprising an annular lip seal (51) produced by molding, and comprising an internal, dynamic sealing lip (14) surrounding the piston and connected by a curved surface (36) to a planar rear face (30) comprising radial passages which are defined by blocks formed as projections on the rear face of the seal, these blocks being separated from the curved surface (36).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.