Variable frequency and amplitude dither for electronically controlled valves
US8118058B2 · kind B2 · utility
3Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2007 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Apr 18, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87217
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method is disclosed that includes allowing both frequency and amplitude of a periodic waveform to be adjusted. The method also includes creating the periodic waveform having the frequency and the amplitude. The periodic waveform is coupled to at least one control signal. The at least one control signal is provided to an output suitable for coupling to an actuator of an electronically controlled device. An apparatus and computer program product are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.