Title:
SCREW COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2016/121021
Kind Code:
A1
Abstract:
A screw compressor is provided with: a casing body (8); a screw rotor (9) disposed so as to rotate within the casing body (8); a slide valve (14) provided in a movable manner between the casing body (8) and the screw rotor (9); a high-low pressure partition wall (17) formed so as to face the rear surface side (14f) of the slide valve (14) and dividing the inside of the casing body (8) into a discharge pressure space and a suction pressure space; and an injection mechanism (20) for supplying oil to the gap between the high-low pressure partition wall (17) and the rear surface side of the slide valve (14), thereby sealing the gap.
Inventors:
MAEDA KATSUYA (JP)
KAMIKAWA MASAAKI (JP)
ITO TAKESHI (JP)
KAMIKAWA MASAAKI (JP)
ITO TAKESHI (JP)
Application Number:
PCT/JP2015/052275
Publication Date:
August 04, 2016
Filing Date:
January 28, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/16
Foreign References:
| JPS5147051Y2 | 1976-11-13 | |||
| GB1237333A | 1971-06-30 | |||
| JP2013127203A | 2013-06-27 | |||
| JPH05106572A | 1993-04-27 |
Other References:
See also references of EP 3252310A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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