Stop-start system for a motor vehicle
US10744996B2 · kind B2 · utility
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14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Oct 23, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A stop-start system and method for a motor vehicle include a controller configured to shut down an engine of the motor vehicle automatically when the motor vehicle is moving and a predetermined engine shut down condition is achieved, to perform a rolling stop-start operation; and a mechanically driven auxiliary vacuum pump coupled to a transmission gear or output shaft and configured to provide vacuum pressure to a brake booster of the motor vehicle, wherein the controller is configured to operate the auxiliary vacuum pump during the rolling stop-start operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.