Dual energy saver for air conditioning

Details Dual energy saver for air conditioning Dual energy saver for air conditioning

1995-07-14

1997-10-14

Ford, John K.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

165270, 165247, 55274, 236 11, 236 94, 62158, 62182, 62186, F25B 2900

Patent

active

056761961

ABSTRACT:
An attachment unit (28) to an existing central air conditioning thermostat controller (24) like the ones found in most homes and offices; which provides two independent modes of saving energy, first by turning on a light to indicate when to change the filter and secondly by extending the fan operation for a few minutes without disruption. Uniquely conceived, smaller than the typical thermostat controller, automatic, maintenance free, no batteries or auxiliary power of any kind. Has one button (32) to reset the light (30) after changing the filter and one switch (34) to select the optional extended fan operation.

REFERENCES:
patent: 4002292 (1977-01-01), Parks
patent: 4014499 (1977-03-01), Hamilton
patent: 4136730 (1979-01-01), Kinsey
patent: 4369916 (1983-01-01), Abbey
patent: 4773587 (1988-09-01), Lipman
patent: 4842044 (1989-06-01), Flanders et al.
patent: 5142880 (1992-09-01), Bellis
patent: 5236477 (1993-08-01), Koketsu
patent: 5582233 (1996-12-01), Noto
EcoGuard Permanent Electrostatic Air Filters Brochure (No date).
Hunter Programmable Themostats Brochure (1993).

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