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.
HASEGAWA HIROSHI
MATSUI MASARU
OKAICHI ATSUO
WADA MASANOBU
JPH09126171A | 1997-05-13 | |||
JP2005282621A | 2005-10-13 | |||
JP2002130556A | 2002-05-09 | |||
JP2001208256A | 2001-08-03 |
Shigeru Kuroda