Title:
SCREW COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/026333
Kind Code:
A1
Abstract:
This screw compressor is provided with: a screw rotor axially extending and including a screw groove in the outer peripheral surface; a pair of gate rotors which mesh with the screw groove of the screw rotor; and a pair of slide valves which are disposed at positions that are point-symmetric about the radial center of the screw rotor. A first compression chamber is formed which is closed by one of the pair of gate rotors and one of the pair of slide valves. A second compression chamber is formed which is closed by the other of the pair of gate rotors and the other of the pair of slide valves. The pair of slide valves are provided such that axial positions of ends of respective discharge ports connected to the first compression chamber and the second compression chamber are shifted from each other.
Inventors:
MITSUNARI NAOYA (JP)
KOBA YU (JP)
KOBA YU (JP)
Application Number:
PCT/JP2018/028609
Publication Date:
February 06, 2020
Filing Date:
July 31, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/52
Domestic Patent References:
| WO2016189648A1 | 2016-12-01 |
Foreign References:
| JP2011132886A | 2011-07-07 | |||
| JPS5932689A | 1984-02-22 | |||
| JP2009167846A | 2009-07-30 | |||
| JP2009046983A | 2009-03-05 | |||
| JP2012107613A | 2012-06-07 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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