Oil pump apparatus
US6905317B2 · kind B2 · utility
3Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2002 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Dec 2, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C14/28
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An oil pump apparatus includes a body, a first rotor and a second rotor disposed in the body so as to be able to rotate and a regulator valve mechanism for regulating the pressure of oil discharged to portions of an engine, wherein the regulator valve mechanism is disposed in the inside of the body and the engine and includes a regulator valve member which moves in the direction being in parallel with a rotation as of the first and second rotors in response to the discharged oil pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.