Pressure reducing valve
US9141115B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2011 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Oct 18, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7793
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention provides a pressure reducing valve having excellent responsiveness, durability, and reliability and stable output characteristics. A pressure reducing valve includes a housing, and the housing includes a valve passage connected to a primary port and a secondary port. A valve element is provided in the housing. The valve element can adjust an opening degree of the valve passage by moving between a closed position where the valve element closes the valve passage and an open position where the valve element opens the valve passage. The valve element is pressed toward the closed position by secondary pressure. A spring member is provided to bias the valve element toward the open position against the secondary pressure. Further, a rolling bearing is provided on the valve element, and the valve element is movably supported by the rolling bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.