Heat pump using CO 2 as refrigerant and method of operation...

Details Heat pump using CO 2 as refrigerant and method of operation... Heat pump using CO 2 as refrigerant and method of operation...

2007-05-11

2008-08-19

Tapolcai, William E (Department: 3744)

Refrigeration

Processes

Compressing, condensing and evaporating

C062S198000, C062S324600

Reexamination Certificate

active

07412838

ABSTRACT:
A heat pump employing CO2as refrigerant and utilizing heat source of natural water, e.g. well water, ground water, river water or sea water, effectively is applied to an air conditioning system in order to enhance heating/hot water supplying capacity and refrigeration capacity without requiring a large scale appurtenant facilities.

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Relevant Portion of International Search Report issued in corresponding International Application No. PCT/JP2004/017207, with mailing date Mar. 1, 2005.

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