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:
Jun. 04, 2013

Filed:

Feb. 19, 2009
Applicants:

Hirotaka Higashimori, Nagasaki, JP;

Koichi Sugimoto, Nagasaki, JP;

Hideyoshi Isobe, Nagasaki, JP;

Takashi Shiraishi, Sagamihara, JP;

Inventors:

Hirotaka Higashimori, Nagasaki, JP;

Koichi Sugimoto, Nagasaki, JP;

Hideyoshi Isobe, Nagasaki, JP;

Takashi Shiraishi, Sagamihara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/68 (2006.01);
U.S. Cl.
CPC ...
Abstract

A radial compressor includes an impeller which is rotatively driven, axially introduces air taken in through an air inlet passage formed in a housing, pressurizes the introduced air, and discharges the pressurized air in a radial direction, wherein an annular concave groove is formed in a peripheral wall of the air inlet passage of the housing, a rear end portion of an opening of the annular concave groove, which rear end portion meets the housing peripheral wall, is provided in the vicinity of a blade front end surface of the impeller, and the rear end portion of the opening of the annular concave groove is formed such that an axial projecting amount X thereof relative to the blade front end surface of the impeller is set to −1T≦X≦1.5T (where T denotes the thickness of the distal portion of a blade).


Find Patent Forward Citations

Higashimori, Hirotaka. (2013). Radial compressor (U.S. Patent No. 8454299). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8454299

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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