Blower

Details Blower Blower

2007-08-21

2007-08-21

Rodriguez, William H. (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S423100, C415S058200, C416S181000

Reissue Patent

active

11131769

ABSTRACT:
A blower with the improved P-Q characteristics is provided. A blower comprising a shaft rotatably supported in a tubular casing, a cup shaped motor yoke11fixed to the shaft, and a body portion15of an impeller14comprising a large number of blades13on an outer peripheral portion is fixed to the motor yoke11,wherein the blower is characterized in that substantially ring-like openings15b are provided at a portion where the blades13of the body portion15are mounted and on a circumference around the shaft. Since air flow is facilitated by the openings15b, the P-Q (pressure—flow rate) characteristics are improved.

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Sep. 17, 2002 Japanese Patent Office Action from Japan Patent Application No. 11-329598 (with English-language translation).
Dec. 17, 2002 Japanese Patent Office Action from Japan Patent Application No. 11-329598 (with English-language translation).

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