Wind turbine generator

Refrigeration – With alternately usable energy sources

Reexamination Certificate

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Reexamination Certificate

active

08082748

ABSTRACT:
A wind turbine generator capable of preventing a salt damage and reducing noise as well as easily starting in a cold region is provided. The wind turbine generator includes a nacelle (3) for accommodating a generator set, an internal heat exchanging unit (13, 15, 16) accommodated in the nacelle (3) to exchange heat between the generator set and a refrigerant, an external heat exchanging unit (17) disposed outside the nacelle (3) to exchange heat between an outside air and the refrigerant, a compressor (18) disposed in the nacelle (3) to compress the refrigerant and circulate the refrigerant between the internal heat exchanging unit (13, 15, 16) and the external heat exchanging unit (17), and an expansion unit (19) to expand the refrigerant compressed by the compressor (18).

REFERENCES:
patent: 3752395 (1973-08-01), Ashikian
patent: 4143522 (1979-03-01), Hamrick et al.
patent: 4433552 (1984-02-01), Smith
patent: 4441872 (1984-04-01), Seale
patent: 7168251 (2007-01-01), Janssen
patent: 2007/0024132 (2007-02-01), Salamah et al.
patent: 3949946 (2007-04-01), None

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