A valve arrangement
US5280803A · kind A · utility
28Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1991 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Aug 9, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7472
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An hydraulically assisted inlet valve is disclosed having a by-pass passage (32) which is permanently open. Preferably the valve has a valve body (13) reciprocally mounted in the inlet (4) and carried by a diaphragm (23). The by-pass passage preferably extends through the valve body (13) to apply inlet pressure to one side of the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.