Oil pump unit with variable flow rate
US8616857B2 · kind B2 · utility
1Cited by
16References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Feb 15, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01M2001/123
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An oil pump unit with a variable flow rate includes lubrication pumps and a control pump that are driven by rotation of a crankshaft of an engine, and changes an oil supply amount from the control pump to each part of the engine, in which the control pump includes a plurality of oil pumps that have different discharge rates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.