Valves for hydraulic brakes
US4271937A · kind A · utility
6Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1977 |
| Grant date | Jun 9, 1981 |
| Priority date | — |
| Expiry date | Nov 29, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2055/0058
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Hydraulically-operable rotary friction brake comprising a retarding device incorporating hydraulically actuated operating members have a hydraulic circuit including a valve whereby in periods of operation a major portion of the hydraulic flow is directed through the hydraulically actuated operating members and in periods of non-actuation only a minor proportion of the hydraulic flow is directed through the operating members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.