Cogeneration system

Details Cogeneration system Cogeneration system

2007-07-17

2007-07-17

Tapolcai, William E. (Department: 3744)

Refrigeration

Disparate apparatus utilized as heat source or absorber

With vapor compression system

C062S323100, C062S324600

Reexamination Certificate

active

11046756

ABSTRACT:
A cogeneration system including an engine, which drives a generator to generate electricity, a cooling/heating unit using a heat pump type refrigerant cycle, in which a refrigerant is circulated through at least one compressor, a four-way valve, a first outdoor heat exchanger, a first expansion device, and an indoor heat exchanger, in this order, during a cooling operation of the cogeneration system, and a waste heat consuming heating unit using a refrigerant cycle, in which the refrigerant is circulated through the compressor, the four-way valve, the indoor heat exchanger, a second expansion device, and a second outdoor heat exchanger to be heated by waste heat of the engine, in this order, during a heating operation of the cogeneration system. In accordance with the cogeneration system, it is possible to maximize utilization of engine waste heat during the heating operation and to achieve an enhancement in heating performance.

REFERENCES:
patent: 4492008 (1985-01-01), Anantha et al.
patent: 4614090 (1986-09-01), Kaneko et al.
patent: 4697434 (1987-10-01), Yuyama
patent: 5878810 (1999-03-01), Saito et al.
patent: 6425257 (2002-07-01), Ohseki et al.
patent: 6769481 (2004-08-01), Yoshimura et al.

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