Title:
SCREW COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2020/012887
Kind Code:
A1
Abstract:
In a screw compressor provided with a slide valve (52), a valve body (53) of the slide valve (52) is formed to have a cross section of a crescent shape, a curvature (R2) of an outer arc-shape curved surface (P2) is made to be smaller than a curvature (R1) of an inner arc-shape curved surface (P1) that is essentially the same as the curvature of the inner circumferential surface of a cylinder wall (25), a central angle (θ) of the outer arc-shape curved shape (P2) is made to be 180° or less, and the thickness of the valve body (53) in a radial direction of a screw rotor is made to be small.
Inventors:
UENO HIROMICHI (JP)
Application Number:
PCT/JP2019/024126
Publication Date:
January 16, 2020
Filing Date:
June 18, 2019
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04C29/12; F04C18/52
Foreign References:
| JP2014047708A | 2014-03-17 | |||
| JPH05157072A | 1993-06-22 | |||
| JP5790452B2 | 2015-10-07 |
Other References:
See also references of EP 3798448A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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