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
OKAMOTO MASAKAZU
UKIBUNE MASANORI
HOKOTANI KATSUMI
Application Number:
JP2008075707A
Publication Date:
October 08, 2009
Filing Date:
March 24, 2008
Export Citation:
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
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura