Master-cylinder-actuated plunger for hydraulic brake booster valve
US4779422A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1987 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Jun 1, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A brake system wherein an input from an operator operates a first master cylinder (12) produces first and second hydraulic fluid pressures. Flexible conduit (22 and 24) carries the first and second hydraulic fluid pressures to an actuator (26) for a hydraulic power booster (28). A plunger (58) in the actuator (26) reacts either to the first hydraulic fluid pressure or the second hydraulic fluid pressure by moving to operate the hydraulic power booster (28). Operation of the hydraulic power booster (28) provides an input force to develop first and second operation fluid pressures in a second master cylinder (30) to effect a brake application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.