Cam timing control device for automotive engine
US5181484A · kind A · utility
14Cited by
15References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1992 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Mar 6, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cam timing control device in an antomotive engine which used in a valve timing correcting device of a type wherein an electromagnetic force is used to change a cam timing. The cam timing control device is so designed that, in the event that a resistance to the change of the cam timing is high, the length of time during which an electric power is continuously supplied to the electromagnetic coil is prolonged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.