Vacuum cleaner and temperature-responsive motor cooling device

Details Vacuum cleaner and temperature-responsive motor cooling device Vacuum cleaner and temperature-responsive motor cooling device

1975-02-27

1976-02-03

Nozick, Bernard

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

15319, 236 87, B01D 4602

Patent

active

039362825

ABSTRACT:
A motor cooling arrangement and device for a vacuum cleaner which is provided with a temperature sensitive means that communicates with a valve and acts on a valve diaphragm when the motor temperature exceeds a predetermined level. When the valve is opened, atmospheric air is permitted to pass into both the dust collecting space and the space housing the motor. In the latter space the motor is subject to an increased air flow that functions to improve the cooling of the working motor.

REFERENCES:
patent: 2933257 (1960-04-01), Clark
patent: 3232030 (1966-02-01), Owenmark

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