Title:
SCREW COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/229743
Kind Code:
A1
Abstract:
This screw compressor comprises: a casing having a discharge port; a screw rotor which is accommodated in the casing, and of which one end side is an axial intake side and the other end side is an axial discharge side; and a slide valve which is stored in a slide valve storage groove formed in the casing, and is free to slide in the rotation axis direction of the screw rotor. The slide valve has a valve body part. The valve body part moves to a position of facing the screw rotor and a position of not facing the screw rotor, and when in the position of facing the screw rotor, the valve body part forms part of the discharge port.
Inventors:
MITSUNARI NAOYA (JP)
Application Number:
PCT/JP2020/019237
Publication Date:
November 18, 2021
Filing Date:
May 14, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/52; F04C18/16
Domestic Patent References:
| WO2017149659A1 | 2017-09-08 |
Foreign References:
| CN203430782U | 2014-02-12 | |||
| JP2013060877A | 2013-04-04 |
Other References:
See also references of EP 4151858A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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