Air conditioner condensation pan overflow protection

a technology for condensation pans and air conditioners, which is applied in the direction of defrosting, heating types, domestic cooling devices, etc., can solve the problems of structural and property damage to the house, and achieve the effect of removing condensation water overflow

Inactive Publication Date: 2002-01-03
LEA DORIS W
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

0049] (a) the liquid level sensor and its circuitry shut off the compressor and fan, thus eliminating condensed water overflow from the condensation pans and subsequent damage to the home and its contents.

Problems solved by technology

These drains often plug up, and the water in the pans overflows and causes structural and property damage to the house.

Method used

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  • Air conditioner condensation pan overflow protection
  • Air conditioner condensation pan overflow protection
  • Air conditioner condensation pan overflow protection

Examples

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Embodiment Construction

[0036] An addition of an alarm 140 to the liquid level sensor circuit can alert the homeowner or a neighbor to a potentially damaging situation. Such a circuit is shown in FIG. 5.

ADDITIONAL EMBODIMENT

[0037] An addition of a liquid level sensor, associated electronics, a circuit breaker and an alarm to "swamp" or evaporative air conditioner drain pans can prevent overflow and roof and home interior damage, since evaporative units are generally roof-mounted.

OPERATION OF INVENTION

[0038] A home refrigeration air conditioning unit works by compressing a refrigerant with a compressor 80 through cooling coils 10 mounted in ductwork 30. A fan 20 circulates household air across the cooling coils 10 through and out of the ductwork 30, into the interior of the house, and back into the ductwork 30.

[0039] The cooling coils 10, fan 20 and ductwork 30 are usually mounted in the attic of a house.

[0040] When the air is cooled by passing across the cooling coils 10, water condenses out of the air and...

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PUM

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Abstract

A liquid level sensor (100) is added to air conditioner condensation pan(s) (40 and/or 50) to prevent overflow and subsequent house damage by turning off the compressor (80) and the fan (20) by means of a circuit breaker (120) and associated electronics (110).

Description

[0001] This application is entitled to the benefit of Provisional Patent Application Ser. #60 / 214443, 2000 Jun. 28.BACKGROUND--FIELD OF INVENTION[0002] This invention relates to refrigeration air conditioner condensation pans, specifically to a method of preventing the overflow of such pans and the subsequent damage caused by such overflow.BACKGROUND--DESCRIPTION OF PRIOR ART[0003] Refrigeration air conditioners for homes usually have the cooling coils mounted in the attic. During the cooling process, water is condensed from the air, is caught in one or more condensation pans mounted below the cooling coils, and must be removed by drains in the pan or pans. These drains often plug up, and the water in the pans overflows and causes structural and property damage to the house. This is a common occurrence. It has happened to us twice, and to many of our friends and neighbors.[0004] In accordance with the present invention, a liquid level sensor and associated electronics are attached t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24F13/22
CPCF24F13/222F24F2011/0054F24F2140/30
Inventor LEA, DORIS W.
Owner LEA DORIS W
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