Hydraulic pressure control device for use in vehicle anti-skid braking system
US4715667A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jun 6, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Jun 6, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T8/5012
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hydraulic pressure control device in a vehicle anti-skid braking system includes a brake master cylinder, a wheel brake actuating cylinder for braking a wheel in response to a fluid pressure from the brake master cylinder, and a directional control valve actuatable in response to a control signal from a control unit which detects a wheel condition such as wheel skidding, for returning a braking fluid from the wheel brake actuating cylinder via a return passage to a fluid pressure supply passage connected to the master cylinder. The return passage has an accumulator for storing part of the fluid from the wheel brake actuating cylinder in an anti-skid control mode. A fluid overflow from the accumulator is delivered via a restriction in the supply passage to the master cylinder to act on the brake pedal as a pedal reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.