Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1994-11-04
1995-08-22
Stephan, Steven L.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
417 12, G05F 140, F04B 4900
Patent
active
054443601
ABSTRACT:
A method and an apparatus to reduce the maintenance required for equipment which is not operating for relatively long periods of time such as seasonal equipment. The invention turns the equipment on for a brief interval at fixed periods of time. This cycling of the equipment during normally non-operating periods of time helps to prevent problems which occur when equipment is left idle for relatively long periods of time.
REFERENCES:
patent: 4298165 (1981-11-01), McKinley
patent: 4672990 (1987-06-01), Robillard
patent: 4750472 (1988-06-01), Fazekas
patent: 5155289 (1992-10-01), Bowles
patent: 5171336 (1992-12-01), Shulick
patent: 5240179 (1993-08-01), Drinkwater
Nguyen Matthew V.
Stephan Steven L.
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