Inverted pressure regulating valve for an engine oil pump
US8360746B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2007 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Nov 30, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2605
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a valve assembly for relieving fluid pressure having a pump housing with a low pressure inlet chamber and a high pressure discharge chamber, a relief aperture positioned between the low pressure inlet chamber and the high pressure discharge chamber, a valve seat along the perimeter of the relief aperture, and a valve body located in the high pressure discharge chamber. The valve body has a first end capable of engaging the valve seat in a closed position and is also capable of axial travel opposite the fluid discharge at a predetermined pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.