Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2015/045433
Kind Code:
A1
Abstract:
A rotary compressor equipped with a compression unit having: a ring-shaped cylinder; an end plate for closing the end section of the cylinder, and having a shaft-receiving part and a discharge-valve part; a ring-shaped piston for engaging the eccentric part of a rotating shaft supported by the shaft-receiving part, revolving inside the cylinder along the inner wall thereof, and forming a working chamber between itself and the inner wall of the cylinder; and a vane for projecting into the working chamber from within a vane groove of the cylinder, contacting the ring-shaped piston, and dividing the working chamber into an intake chamber and a compression chamber. Therein, the vane is formed from a steel material and has a diamond-shaped carbon layer on the surface which slides with the ring-shaped piston, and the ring-shaped piston is formed from Ni-Cr-Mo iron to which 0.15-0.45 wt% of phosphorus has been added, or is formed from iron or steel and has an iron nitride layer formed on the outer-circumferential surface thereof.
Inventors:
TANAKA JUNYA (JP)
KOMINE KENJI (JP)
KOMINE KENJI (JP)
Application Number:
PCT/JP2014/051981
Publication Date:
April 02, 2015
Filing Date:
January 29, 2014
Export Citation:
Assignee:
FUJITSU GENERAL LTD (JP)
International Classes:
F04C18/356
Foreign References:
| JPH11264393A | 1999-09-28 | |||
| JP2009167512A | 2009-07-30 | |||
| JP2011001598A | 2011-01-06 | |||
| JP2007162099A | 2007-06-28 | |||
| JP2003014121A | 2003-01-15 | |||
| JPH07217568A | 1995-08-15 |
Other References:
See also references of EP 3054163A4
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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