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.
Patent No.:
Date of Patent:
Dec. 28, 2021
Filed:
Jun. 21, 2017
Applicant:
Ihi Corporation, Koto-ku, JP;
Inventor:
Takahiro Ueno, Koto-ku, JP;
Assignee:
IHI Corporation, Koto-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
F04D 29/441 (2013.01); F04D 29/422 (2013.01); F04D 29/4206 (2013.01); F05D 2220/40 (2013.01);
Abstract
In a compressor, a scroll includes a winding end portion, a discharge potion connected to the winding end portion, a winding start portion connected to the discharge potion, and a flow passage inner surface and when a projection plane is assumed for the scroll in a case in which a viewing point is located on a rotation axis of a compressor impeller and on a fluid suction side, and the flow passage inner surface on the projection plane includes a curved protrusion portion protruding outward in relation to the reference line.