F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
62/25
F25B 13/00 (2006.01) F25B 29/00 (2006.01) F25B 41/04 (2006.01)
Patent
CA 1193872
TITLE HEAT PUMP INVENTOR Clayton Lemal ABSTRACT OF THE DISCLOSURE A heat pump system suitable for northern climates which utilizes a pressure limiting device that reduces pressure and capacity of the system in the cooling mode so as to allow a higher capacity in the heating mode for a given compressor-motor power rating. The pressure limiting device also alleviates problems associated with system reversal, such as for periodic outdoor heat exchanger defrosting.
437058
Bitner Ronald G.
National Research Council Of Canada
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