F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
F25B 41/00 (2006.01) A47F 3/04 (2006.01) F25B 41/04 (2006.01) F25D 11/00 (2006.01) F25D 21/04 (2006.01) F25B 39/02 (2006.01) F25B 41/06 (2006.01)
Patent
CA 2345766
A refrigerated merchandiser system (10) includes a compressor (20), a condenser (30), a display case (100) having an evaporator (40), an expansion device (50) and an evaporator pressure control device (60) connected in a closed refrigerant circuit via refrigerant lines (12, 14, 16 and 18). The evaporator pressure control device (60) operates to maintain the pressure in the evaporator at a predetermined pressure so as to maintain the temperature of the refrigerant expanding from a liquid to a vapor within the evaporator (40) in the range of about 27 degrees F to about 32 degrees F. The evaporator (40) has a fin and tube heat exchanger coil having a relatively high fin density of at least 5 fins per inch, and most advantageously in the range of 6 to 15 fins per inch.
Chiang Robert Hong Leung
Daddis Eugene Duane Jr.
Fung Kwok Kwong
Carrier Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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