Refrigeration – Reversible – i.e. – heat pump – With flow control or compressor details
Reexamination Certificate
2005-04-19
2005-04-19
Doerrler, William (Department: 3744)
Refrigeration
Reversible, i.e., heat pump
With flow control or compressor details
C062S170000, C062S510000, C062S401000, C062S402000
Reexamination Certificate
active
06880357
ABSTRACT:
It is an object of the present invention to reduce the constraint that the density ratio is constant as small as possible, and to obtain high power recovering effect in a wide operation range. A refrigeration cycle apparatus uses carbon dioxide as refrigerant and has a compressor, an outdoor heat exchanger, an expander and an indoor heat exchanger. An injection circuit for introducing high pressure refrigerant is provided in a halfway of an expansion process of said expander.
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Joo Seok Baek, et al. “Transcritical CO2Cycle Technology” 2002 SAE Automotive Alternate Refrigerant Systems Symposium, Jul. 2002, pp. 1-17.
Hiwata Akira
Inoue Yuji
Kawabe Yoshikazu
Nakatani Kazuo
Okaza Noriho
Armstrong Kratz Quintos Hanson & Brooks, LLP
Doerrler William
Matsushita Electric - Industrial Co., Ltd.
Zec Filip
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