Fluid exhausting device

Details Fluid exhausting device Fluid exhausting device

1976-06-17

1978-09-05

Husar, C. J.

Pumps

Motor driven

Electric or magnetic motor

415119, 415210, 417366, F04B 1700

Patent

active

041116151

ABSTRACT:
A centrifugal fluid exhausting device for use, by way of example, in a portable vacuum cleaner, comprising a centrifugal fan driven by an electric motor and housings enclosing the fan and the motor, characterized in that the paths of fluid between the fan and the fan housing and between the motor and the motor housing are streamlined to reduce the resistances to the flows of fluid therethrough.

REFERENCES:
patent: 2245179 (1941-06-01), Boivie
patent: 2272985 (1942-02-01), Smith
patent: 2726807 (1955-12-01), Lewis
patent: 2731194 (1956-01-01), Kent
patent: 3082940 (1963-03-01), Frantz
patent: 3117770 (1964-01-01), Campbell
patent: 3346174 (1967-10-01), Lievens et al.
patent: 3454978 (1969-07-01), Kuwahara
patent: 3976393 (1976-08-01), Larson

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