Reduced energy vacuum pump control
US8880317B2 · kind B2 · utility
1Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2012 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Dec 27, 2032 |
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.