Method to detect shorted solenoid coils
US7609069B2 · kind B2 · utility
3Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2007 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Apr 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/72
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for testing the continuity of a coil that is subjected to a high frequency pulse modulated current that includes sensing a coil voltage, determining a ratio of the sensed coil voltage to the supply voltage and comparing the ratio to a threshold to determine whether the solenoid coil is functional.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.