Motor control circuit
US4028593A · kind A · utility
16Cited by
6References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 15, 1976 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Jan 15, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control circuit for a motor usable in a refrigeration system has a variety of condition sensors including means to sense a low refrigerant pressure and timing means to override the sensing of low refrigerant pressure for a time period during motor start-up. A lockout circuit prevents re-start of the motor following a fault condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.