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:
Aug. 09, 2022

Filed:

May. 25, 2018
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Yasuhiro Murakami, Osaka, JP;

Yasuo Mizushima, Osaka, JP;

Ryouta Nakai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 18/02 (2006.01);
U.S. Cl.
CPC ...
F04C 18/0215 (2013.01); F04C 18/0269 (2013.01); F04C 2210/26 (2013.01); F04C 2210/268 (2013.01); F04C 2240/20 (2013.01); F04C 2240/30 (2013.01); F04C 2270/17 (2013.01);
Abstract

A fixed scroll wrap () includes a fixed spiral portion () having a spiral shape and a fixed arcuate portion () having an arcuate shape. A movable scroll wrap () includes a movable spiral portion () having a spiral shape and a movable arcuate portion () having an arcuate shape. An arcuate portion side surface clearance (GA) is defined by the fixed arcuate portion () and one of the movable spiral portion () and the movable arcuate portion (), or is defined by the movable arcuate portion () and one of the fixed spiral portion () and the fixed arcuate portion (). A spiral portion side surface clearance (GI) is defined by the fixed spiral portion () and the movable spiral portion (). The arcuate portion side surface clearance (GA) is larger than the spiral portion side surface clearance (GI).


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