Fluid pressure brake booster for motor vehicles
US4781026A · kind A · utility
4Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Mar 4, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/145
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A piston for acting on both a master cylinder and a fluid pressure booster is slidably disposed in a housing and defines a pressure buildup chamber communicating with a wheel brake actuating cylinder on one end and a power chamber on an opposite end. The cylinder has a plurality of axial slots defined in an outer peripheral surface thereof and communicating with inlet, supply, and outlet ports, there being seals disposed in the axial slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.