Auxiliary transmission oil pump integration
US8764596B2 · kind B2 · utility
1Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2009 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Dec 15, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H61/0031
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission system of a vehicle comprises a pump, an auxiliary pump, and a transmission. The pump pressurizes transmission oil when an engine is operating. The auxiliary pump operably coupled to the pump and located parallel to the pump that pressurizes the transmission oil when the engine is not operating. The transmission selects a gear ratio based on the pressurized transmission oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.