Hydraulic vehicle brake system
US4181368A · kind A · utility
7Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1978 |
| Grant date | Jan 1, 1980 |
| Priority date | — |
| Expiry date | Mar 20, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/18
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A fluid operated braking control system for spring brake cylinders admitting fluid under pressure in both brake applying and brake release directions has a selectively variable pressure from zero to a predetermined maximum applied to overcome the spring and release the brakes and a selectively operable constant pressure fluid applied to aid the spring in the braking direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.