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Title:
FLUID MACHINE
Document Type and Number:
Japanese Patent JP2007187153
Kind Code:
A
Abstract:

To provide a highly reliable fluid machine capable of feeding a sufficient quantity of lubricating oil to a sliding part, even when connecting a driving shaft and a motive power recovery shaft by a connecting part.

An expander integrated compressor has an expander part 213 arranged on one end of the motive power recovery shaft 212, a compressor part 216 arranged on one end of the driving shaft 214, and the connecting part 217 of arranging a seal means in a butting place of mutual end parts of the motive power recovery shaft 212 and the driving shaft 214. An outer peripheral surface of a tip part 239 of the driving shaft 214 is formed in a projecting hexagonal shape, and an inner peripheral surface of a tip part 240 of the motive power recovery shaft 212 is formed in a recessed hexagonal shape. The driving shaft 214 and the motive power recovery shaft 212 are fitted. A first sealant 237 and a second sealant 238 of an O ring are arranged inside a cover frame body 236.


Inventors:
OGATA YUJI
HASEGAWA HIROSHI
MATSUI MASARU
OKAICHI ATSUO
WADA MASANOBU
Application Number:
JP2006335784A
Publication Date:
July 26, 2007
Filing Date:
December 13, 2006
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F01C13/04; F01C19/02; F04C27/00; F04C29/00
Domestic Patent References:
JPH09126171A1997-05-13
JP2005282621A2005-10-13
JP2002130556A2002-05-09
JP2001208256A2001-08-03
Attorney, Agent or Firm:
Koichi Kamata
Shigeru Kuroda