Plate valve
US4307751A · kind A · utility
17Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1979 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Nov 29, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7863
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve having a plurality of movable, coaxially arranged annular plates is characterized by the use of fiber reinforced plate members having a thickness of greater than 0.2 inches and, in a preferred embodiment, a thickness to width ratio in excess of 0.5. A valve in accordance with the present invention is also characterized by the ratio of the number of biasing springs associated with each plate to the mean diameter of the plate being greater than 1.2 per inch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.