Refrigeration – Reversible – i.e. – heat pump – With cooling apparatus other than gas compressor
Patent
1995-10-11
1997-10-07
Doerrler, William
Refrigeration
Reversible, i.e., heat pump
With cooling apparatus other than gas compressor
62148, F25B 1500
Patent
active
056735693
ABSTRACT:
A double effect absorption cold or hot water generating machine comprises an absorber A, a low temperature generator GL, a condenser C, a high temperature heat exchanger XH and a low temperature heat exchanger XL, a bypass circuit 20 having a cool/warm switching valve V.sub.1 for directing refrigerant gas from a high temperature generator GH directly to an evaporator E, and a bypass circuit 21 having a cool/warm switching valve V.sub.2 for directing refrigerant liquid from the evaporator directly to a diluted solution circulating system. A high head pump PH is disposed in the solution path between the absorber and the high temperature generator and a low head pump PL is disposed in the solution path between the absorber and the low temperature generator so that the high and low head pumps are driven during a cooling operation, and the high head pump is driven and the low head pump is stopped during a warming operation.
REFERENCES:
patent: 5282369 (1994-02-01), Ohuchi et al.
patent: 5295371 (1994-03-01), Oonou et al.
patent: 5363668 (1994-11-01), Nakao et al.
patent: 5373709 (1994-12-01), Tongu et al.
Doerrler William
Ebara Corporation
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