IP Library › Granted Patent US 7,914,597
Granted Patent B2
US 7,914,597 · App. 12/063,173 · Granted Mar 29, 2011

Dust collector

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Quick Facts
Patent No.
US 7,914,597
App. No.
12/063,173
Granted
Mar 29, 2011
Kind
B2
Abstract

A dust collector includes turbofans with inducers fixed to the shafts of electric motors. The electric motors are fixed to the rectangular body with mounting legs. The dust collector further includes a single dust collecting filter under the turbofans. The turbofans have a diameter ranging from 40% to 50% of the length of the short side of the body.

Claims (7)

1. A dust collector comprising:

a turbofan with a plurality of inducers driven by a plurality of DC motors fixed to a rectangular body; and

a dust collecting filter for collecting dust from air drawn by the turbofan with the plurality of inducers, wherein

the turbofan has a diameter ranging from 40% to 50% of a short side of the body; and

a peripheral portion of the turbofan has a thickness ranging from 5% to 10% of the diameter of the turbofan.

2. The dust collector of claim 1 , wherein

the turbofan has at least 10 blades.

Assignments (1)
CHANGE OF NAME Recorded Nov 11, 2008
From: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
To: PANASONIC CORPORATION
Reel/Frame 021818/0725 →