Method for operating a camshaft phaser
US8468989B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2010 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Sep 22, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2800/03
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for operating a camshaft phaser in an internal combustion engine is provided. The camshaft phaser is used to control the phase relationship between a crankshaft and a camshaft of the internal combustion engine. The method includes determining that the internal combustion engine will be placed in an automatic stop mode. The camshaft phaser is then controlled to establish a predetermined phase relationship between the crankshaft and the camshaft. The internal combustion engine is then placed in automatic stop mode and the predetermined phase relationship is maintained by substantially blocking oil flow between the camshaft phaser and the internal combustion engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.