Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Patent
1995-01-17
1997-08-26
Doerrler, William
Refrigeration
Reversible, i.e., heat pump
With flow control or compressor details
62524, 165122, F25B 1300
Patent
active
056600569
ABSTRACT:
An air conditioner employs a non-azeotropic refrigerant mixture without deteriorating the heat-exchange efficiency and air-conditioning capability of an indoor heat exchanger of the air conditioner. The indoor heat exchanger (3) has a fin on which a first path (33), a second path (34), and a third path (35) for passing the refrigerant mixture are arranged. The first path passes the refrigerant mixture from the leeward side toward the windward side of an air flow produced by an indoor fan (7), to form a counterflow of the refrigerant mixture against the air flow. The second path passes the refrigerant mixture from the windward side toward the leeward side of the air flow. Although the second path forms a parallel flow of the refrigerant mixture with respect to the air flow, it achieves moderate heat-exchange efficiency because the number of rows of piping on the leeward side is greater than that on the windward side and because the rows of piping do not overlap one another with respect to the air flow. The third path passes the refrigerant mixture from the windward side toward the leeward side and again from the windward side toward the leeward side of the air flow, to partly realize a counterflow of the refrigerant mixture against the air flow, to thereby improve the heat-exchange efficiency.
REFERENCES:
patent: 2044069 (1936-06-01), Erbach
patent: 2139297 (1938-12-01), Bergdoll
patent: 2524568 (1950-10-01), Kritzer
patent: 3142970 (1964-08-01), Hale
patent: 4434843 (1984-03-01), Alford
patent: 5417279 (1995-05-01), Wada
Arai Yasuhiro
Motohashi Hideaki
Sano Tetsuo
Doerrler William
Kabushiki Kaisha Toshiba
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