Plate-type valve for a pressured-fluid machine, and a valving plate assembly therefor
US5289847A · kind A · utility
1Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1992 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Nov 23, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7935
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
To minimize metal-to-metal engagements of valve components, and relative movements therebetween, as an end toward reducing wear, the valving plate has an integral bushing, and both the plate and the bushing are formed of a non-metallic material. The bushing, therefore, moves with the valving plate; it has grooves formed therein in which to nest the plate-biasing spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.