Oil pump, engine cover and engine comprising the same
US9752472B2 · kind B2 · utility
1Cited by
4References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 28, 2013 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Jan 3, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2007/0075
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An oil pump is provided. The oil pump comprises a shell, a rotor mounting part on the shell, and a rotor mechanism disposed on the rotor mounting part. The shell has an inlet and an outlet and defines a low-pressure oil chamber and a high-pressure oil chamber therein. A buffer chamber is defined between the low-pressure oil chamber and the high-pressure oil chamber, and a barrier wall is disposed between the buffer chamber and the low-pressure oil chamber. An engine cover comprising the oil pump and an engine comprising the engine cover are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.