Reduced energy vacuum pump control
US8370041B2 · kind B2 · utility
3Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Aug 25, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method is provided that includes determining a state of a vehicle ignition switch; determining a state of the vehicle, wherein the vehicle state including at least one of whether the vehicle is in a torque producing mode, whether the vehicle is moving, and whether the vehicle brake system is engaged; and, controlling the vacuum pump in response to the vehicle state and the ignition switch state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.