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Patent Searching and Data


Title:
REFRIGERATING DEVICE AND EXPANDER
Document Type and Number:
Japanese Patent JP2009228568
Kind Code:
A
Abstract:

To improve power recovery efficiency by reducing the dead volume of an auxiliary suction path under a blocked condition, in an expansion mechanism introducing a refrigerant to a fluid chamber of the expansion mechanism through the auxiliary suction path.

The auxiliary suction path 70 branching off of a suction side of a first fluid chamber 52 and connecting to a suction/expansion process position of the first fluid chamber 52 is formed in a first expansion mechanism 41. A valve element 83 capable of blocking a flow out opening part 75 of the auxiliary suction path 70 is provided in the first expansion mechanism 41.


Inventors:
KUMAKURA EIJI
OKAMOTO MASAKAZU
UKIBUNE MASANORI
HOKOTANI KATSUMI
Application Number:
JP2008075707A
Publication Date:
October 08, 2009
Filing Date:
March 24, 2008
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F01C21/18; F01C1/356; F01C20/10; F01C20/18; F01C20/24; F01C21/08; F01K25/10; F25B11/02
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura