Title (en)

DEFROST CONTROL SYSTEM

Publication

EP 0120490 A3 19850710 (EN)

Application

EP 84103277 A 19840324

Priority

US 47941983 A 19830328

Abstract (en)

[origin: EP0120490A2] A method and apparatus for controlling the defrost of an evaporator coil (10) in a refrigeration or heat pump system comprises monitoring the humidity (H) in the coil environment together with monitoring the temperature (T) in the coil environment or the temperature (Tc) of the coil or both and defrosting the coil be selecting a defrost frequency profile based on the measured temperature or temperatures and humidity.

IPC 1-7

F25D 21/00

IPC 8 full level

F24F 11/02 (2006.01); F25B 47/02 (2006.01); F25D 21/00 (2006.01)

CPC (source: EP)

F25D 21/002 (2013.01)

Citation (search report)

• [X] DE 2711602 A1 19780921 - BOSCH GMBH ROBERT
• [Y] FR 2427563 A1 19791228 - GEN ELECTRIC [US]
• [X] DE 3110042 A1 19820930 - WAERMEPUMPEN UND ENERGIERUECKG [DE]
• [XP] DE 3308714 A1 19831006 - LINDE AG [DE]
• [XP] DE 3246248 A1 19830616 - AMF INC [US]

Designated contracting state (EPC)

DE FR IT NL SE

DOCDB simple family (publication)

EP 0120490 A2 19841003; EP 0120490 A3 19850710; JP S59185927 A 19841022

DOCDB simple family (application)

EP 84103277 A 19840324; JP 6051084 A 19840328