Power cycling apparatus
US4777379A · kind A · utility
Inventor
Key dates
| Filing date | Nov 2, 1984 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Nov 2, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/222
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cycling circuit for cycling a power source alternately between two loads provides switching circuitry having two switches interconnected between the power source and each of the loads. When each switch is in an active state, its respective load receives power, and when each switch is in an inactive state, its respective load does not receive power. A timing circuit controls the activation and deactivation of the switches so that the activation of one switch deactivates the other with the timing circuit establishing directions for each switch's active/deactive state. These durations may be set or selectively variable. A condition sensing element may also be included as part of the timing circuit so that the relative time durations vary automatically in response to environmental conditions such as temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.