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. 19, 2010

Filed:

Feb. 28, 2006
Applicants:

Atsushi Suzuki, Aichi, JP;

Tetsuo Tominaga, Hyogo, JP;

Tsuyoshi Eguchi, Hyogo, JP;

Kazuyuki Kamiya, Aichi, JP;

Asuka Soya, Aichi, JP;

Inventors:

Atsushi Suzuki, Aichi, JP;

Tetsuo Tominaga, Hyogo, JP;

Tsuyoshi Eguchi, Hyogo, JP;

Kazuyuki Kamiya, Aichi, JP;

Asuka Soya, Aichi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shroud includes a body portionB, a mountpositioned at a center of the body portionB and supporting rotary vane wheel driver, and multiple support beamsradially extending from the mountand joining the mountand the body portionB, where each of the support beamsbecomes thicker from an upstream side of a flow direction of air toward a downstream side thereof, and an edge portionti of each of the support beamson the downstream side of the flow direction of the air discharged by the rotary vane wheelis oriented in a direction parallel to a rotation axis of the rotary vane wheel, and the edge portion on the upstream side is oriented in a direction opposite to a rotation direction of the rotary vane wheel


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