Vacuum device/blower

Details Vacuum device/blower Vacuum device/blower

2006-02-17

2008-08-05

Snider, Theresa T (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S339000

Reexamination Certificate

active

07406742

ABSTRACT:
An apparatus comprising a blower fan, a motor for driving the blower fan, a blower tube for conveying an air stream from the blower fan, and a potential compensation device that is electrically connected with the motor. The potential compensation device includes a charge compensation element having a free end that projects in an exposed manner into the air stream.

REFERENCES:
patent: 4697300 (1987-10-01), Warlop
patent: 4715085 (1987-12-01), Johanson
patent: 4715086 (1987-12-01), Johanson et al.
patent: 4866565 (1989-09-01), Wray, Jr.
patent: 5150499 (1992-09-01), Berfield
patent: 2005/0039298 (2005-02-01), Joos
patent: 2005/0229556 (2005-10-01), Haberlein

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