Check valve mechanism
US4586534A · kind A · utility
37Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7901
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A check valve mechanism providing a valve body and valve seat assembly having noncircular eccentrically located hinge pin receptacles with independently controlled X-axis and Y-axis hinge pin locating surfaces. A simple cylindrical hinge pin is supported in the receptacles and supports a check valve disc in such manner that both opening and closing movements have components of rotary and linear disc movement relative to the hinge pin and valve seat of the valve mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.