Driving control apparatus for motion mechanism and control method of driving control apparatus
US7623328B2 · kind B2 · utility
1Cited by
26References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2005 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Mar 7, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
When a variable valve mechanism which varies an opening characteristic of an engine valve is malfunctioned, the power supply to a drive circuit for the variable valve mechanism is stopped, and also a control signal to the drive circuit is cleared.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.