Anti-skid control apparatus with booster device and pressure reducing device
US4036534A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1976 |
| Grant date | Jul 19, 1977 |
| Priority date | — |
| Expiry date | Jul 7, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/226
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a hydraulic brake system of the type having a master cylinder, rear wheel brakes, an actuator disposed between the master cylinder and the rear wheel brakes for controlling the brake pressure increase to be applied to the rear wheel brakes in accordance with the skidding condition of a vehicle wheel, control apparatus for applying a brake pressure increase controlling signal to the actuator, a hydraulic brake booster for operating the master cylinder in accordance with the brake pedal depression, a pressure power source for supplying power pressure to the booster and having the actuating pressure for the hydraulic brake booster utilized as the actuating pressure for the actuator, the improvement comprises the inter-position of a regulating device between the booster and the actuator for increasing the output pressure at the same ratio as the input pressure while the actuating pressure is below a predetermined value and for increasing the output pressure at a smaller ratio than the input pressure when the input pressure gets above the predetermined value and a piston arrangement for opening an on-off valve of the actuator for controlling the communication between the master cylin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.