Heat pump using gas hydrate, and heat utilizing apparatus

Details Heat pump using gas hydrate, and heat utilizing apparatus Heat pump using gas hydrate, and heat utilizing apparatus

2007-08-28

2007-08-28

Doerrler, William C (Department: 3744)

Refrigeration

Chemical reaction or solids dissolving

C062S114000, C062S467000

Reexamination Certificate

active

10510394

ABSTRACT:
The object of the present invention is to provide a heat pump having a high coefficient of performance (COP), and a heat utilizing apparatus that allows the obtaining of high energy efficiency by using that heat pump.The heat pump, comprising a refrigerant circuit13that contains a decomposer20in which a gas hydrate decomposition process is carried out and a former25in which a gas hydrate formation process is carried out. This refrigerant circuit13imparts heat to a high-temperature object in the gas hydrate formation process by taking up heat from a low-temperature object in the gas hydrate decomposition process. In addition, the heat pump comprises at least an excess water separator40that separates excess water from the gas hydrate formed in former25, or a compression system that sends gas and liquid which are decomposition products of the gas hydrate decomposed in decomposer20to former25after compressing and mixing.

REFERENCES:
patent: 4718242 (1988-01-01), Yamauchi et al.
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patent: 4873842 (1989-10-01), Payre et al.
patent: 5140824 (1992-08-01), Hunt
patent: 6059016 (2000-05-01), Rafalovich et al.
patent: 6634183 (2003-10-01), Jonsson et al.
patent: 05-180522 (1993-07-01), None
patent: 10/253155 (1998-09-01), None
patent: 2003-139357 (2003-05-01), None
Machine translation of Japanese reference 05-180522.

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