Vacuum brake power booster
US4979426A · kind A · utility
8Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Oct 23, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/565
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vacuum brake power booster for a slip-controlled hydraulic brake unit in which a major reduction of the costs of manufacture and of mounting and simultaneously an increase of its reliability in operation is provided. A first movable wall (7) within the booster housing is movable independently of the brake pedal input member (11) and a second movable wall (15) is provided at the first control housing part (52).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.