Title:
FROZEN EVAPORATOR COIL DETECTION AND DEFROST INITIATION
Document Type and Number:
WIPO Patent Application WO/2014/022269
Kind Code:
A3
Abstract:
A method is disclosed or detecting a frozen evaporator coil of a refrigerant vapor compression system for supplying conditioned air to a temperature controlled space before ice build-up on the evaporator coil becomes so excessive as to result in an undesirable on-off cycling of the refrigerant vapor compression system compressor when operating to a frozen temperature maintenance mode. The method may also include initiating a defrost of a frozen evaporator coil of the refrigerant vapor compression system before ice build-up on the evaporator coil becomes so excessive as to result in an on-off cycling of the refrigerant vapor compression system compressor when operating to a frozen temperature maintenance mode.
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Inventors:
LIU LUCY YI (US)
Application Number:
PCT/US2013/052483
Publication Date:
May 15, 2014
Filing Date:
July 29, 2013
Export Citation:
Assignee:
CARRIER CORP (US)
LIU LUCY YI (US)
LIU LUCY YI (US)
International Classes:
F25B1/10; F25B41/04; F25B47/02
Domestic Patent References:
| WO2012003202A2 | 2012-01-05 | |||
| WO2011112411A1 | 2011-09-15 |
Foreign References:
| JPH01266458A | 1989-10-24 | |||
| JP2007225158A | 2007-09-06 |
Attorney, Agent or Firm:
FOX, David A. (22nd FloorHartford, Connecticut, US)
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