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Patent Searching and Data


Title:
遠心ブロワ
Document Type and Number:
Japanese Patent JP2007518933
Kind Code:
A
Abstract:
The present invention provides a centrifugal fan including a hub adapted for rotation about a central axis and a plurality of blades arranged about the central axis and coupled for rotation with the hub. Each of the blades includes a curvature in a plane that extends through the blade and is tangent to a cylinder which extends through the blade and is centered along the central axis.

Inventors:
Champman, Thomas Earl
Application Number:
JP2006551379A
Publication Date:
July 12, 2007
Filing Date:
January 20, 2005
Export Citation:
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Assignee:
ROBERT BOSCH GMBH
International Classes:
F04D29/30; F04D17/10; F04D29/28; F04D29/44; F04D29/58
Domestic Patent References:
JP2940751B
Foreign References:
GB761937A1956-11-21
US2422615A1947-06-17
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Yamazaki Kosaku