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Patent Searching and Data


Title:
ROTARY EXPANDER
Document Type and Number:
Japanese Patent JP2004190578
Kind Code:
A
Abstract:

To reduce vibration caused by a pressure fluctuation in fluid; and to increase obtaining motive power in a rotary expander for providing the motive power by the expansion of a high pressure fluid.

A pair of cylinders 81 and 82 and pistons 65 are arranged by two sets in an expansion mechanism part 60. A phase of the respective pistons 65 are shifted by 180°, and a high pressure refrigerant is introduced into one expansion chamber 62 every time when a shaft 45 rotates by 180°. When the shaft 45 rotates once, a prescribed quantity of high pressure refrigerant is dividedly introduced twice into the expansion mechanism part 60, and a flow rate and the pressure fluctuation of the refrigerant in a refrigerant circuit are restrained.


Inventors:
HOKOTANI KATSUMI
MORIWAKI MICHIO
OKAMOTO MASAKAZU
KUMAKURA EIJI
OKAMOTO TETSUYA
Application Number:
JP2002000359569
Publication Date:
July 08, 2004
Filing Date:
December 11, 2002
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F01C1/46; F01C1/356; F01C13/04; (IPC1-7): F01C1/46; F01C1/356; F01C13/04
Attorney, Agent or Firm:
前田 弘
小山 廣毅
竹内 宏
嶋田 高久
竹内 祐二
今江 克実
手島 勝
藤田 篤史