Annular valve for a piston compressor
US5483992A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 25, 1995 |
| Grant date | Jan 16, 1996 |
| Priority date | — |
| Expiry date | Jan 25, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7905
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The annular valve (10) comprises a valve seat (11) attached in the housing (1) of the compressor, an absorber (14) attached thereto at a distance and an annular sealing component (12), which can move between the valve seat and the absorber. Helical springs (2), which move the sealing component in the closing direction towards the valve seat, are distributed over its periphery between the absorber and the sealing component. Each helical spring (2) is fastened with one end in the absorber (14). In the region of the other end of each helical spring (2), the sealing component (12) is provided with guide means (6) for the respective spring end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.