Vacuum cleaners

Details Vacuum cleaners Vacuum cleaners

1995-05-24

1997-06-17

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15344, A47L 526

Patent

active

056385757

ABSTRACT:
A vacuum cleaner includes an electric motor which drives a suction fan to draw air and debris into the cleaner via an inlet. The air and debris pass along a passageway and creates a suction at a bleed way to draw air through the motor and out of a compartment. Air enters the compartment through vents (not shown) in a side of an outer housing. The arrangement enhances the cooling of the motor and uses air uncontaminated with debris.

REFERENCES:
patent: 2291689 (1942-08-01), Carlson
patent: 2314334 (1943-03-01), Frantz
patent: 3383765 (1968-05-01), Meltzer
patent: 3454978 (1969-07-01), Kuwahara
patent: 3854164 (1974-12-01), Schmitz
patent: 5421058 (1995-06-01), Zahuranec et al.

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