Refrigeration – Reversible – i.e. – heat pump
Reexamination Certificate
2005-11-25
2008-03-18
Ali, Mohammad M. (Department: 3744)
Refrigeration
Reversible, i.e., heat pump
C062S512000
Reexamination Certificate
active
07343756
ABSTRACT:
An air conditioning system comprises a first tank connected to an outlet side refrigerant line of an indoor unit, a second tank disposed to be lower than the first tank, middle tank installed between the first tank and the second tank, a heat source cycle for depressurizing and cooling the first refrigerant inside the first tank by circulating a second refrigerant and heating the first refrigerant of the second tank, a middle tank cooling unit for feed back connected to an inlet side refrigerant line of the second tank among refrigerant lines of the heat source cycle, a middle tank heating unit for feed back connected to a refrigerant line between the first tank and the second tank among refrigerant lines of the heat source cycle, and a controller for selectively circulating the second refrigerant of the heat source cycle to the middle tank cooling unit for feed back or the middle tank heating unit for feed back.
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U.S. Appl. No. 11/286,354 to Chang et al., filed Nov. 25, 2005.
English Language Abstract of JP 2000-039221.
English Language Abstract of JP 2004-177067.
Chang Se-Dong
Chung Baik-Young
Kim Ju-Won
Oh Sai-Kee
Park Bong-Soo
Ali Mohammad M.
Greenblum & Bernstein P.L.C.
LG Electronics Inc.
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