The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 07, 2025

Filed:

Sep. 23, 2024
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventor:

Tadashi Okada, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 18/16 (2006.01); F04C 18/48 (2006.01); F04C 18/50 (2006.01); F04C 18/52 (2006.01); F04C 29/00 (2006.01); F25B 31/02 (2006.01);
U.S. Cl.
CPC ...
F04C 18/16 (2013.01); F04C 18/50 (2013.01); F04C 18/52 (2013.01); F04C 29/00 (2013.01); F04C 2240/20 (2013.01); F04C 2250/20 (2013.01); F25B 31/026 (2013.01);
Abstract

A screw compressor includes a casing, a screw rotor accommodated in the casing to be rotationally driven, and a gate rotor assembly configured to rotate with rotation of the screw rotor. The gate rotor assembly includes a gate rotor including a plurality of flat plate-shaped gates configured to mesh with a helical groove of the screw rotor, and first and second support members. The first support member is made of a metal and includes a plurality of first gate support portions to support corresponding gates from a back surface side. The second support member is made of a metal and includes an annular portion having an annular shape and a plurality of second gate support portions each extending radially toward an outer side from an outer peripheral portion of the annular portion to support corresponding gates from a front surface side.


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