Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuya Hanai0
Date of Patent
March 10, 2009
0Patent Application Number
114084780
Date Filed
April 21, 2006
0Patent Primary Examiner
Patent abstract
A centrifugal blower has a fan rotatable by a rotational drive source and a scroll casing housing the fan and having first and second discharge passages. The first and second discharge passages have radial dimensions or widths and vertical dimensions which are progressively greater toward an opening. The first and second discharge passages are surrounded by a radially outer wall, a slanted strip joined to the outer wall, and a joint skirt interconnecting an annular step on which the fan is mounted and the slanted strip.
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