Electric motor fan unit for wet working air

Details Electric motor fan unit for wet working air Electric motor fan unit for wet working air

1974-02-26

1976-01-13

Husar, C. J.

Pumps

Motor driven

Electric or magnetic motor

415180, 417368, F04B 1700

Patent

active

039320707

ABSTRACT:
In an electric motor fan unit, a motor section frame enclosing a motor ventilating fan moving air through an internal motor cooling air path includes an end bracket with an enlarged rim for mounting fan shell and interior partition structures defining a fan section housing with a chamber for a working air centrifugal impeller mounted on the motor shaft outboard of the end bracket and drawing a working air stream into a housing axial inlet for discharge at the housing circumference, and with an inner chamber for a slinger disk on the shaft to afford bearing protection from working air borne moisture, contaminants, and high temperature and humidity, by simple, low cost, durable structure.

REFERENCES:
patent: 2172135 (1939-09-01), Breuer
patent: 2470563 (1949-05-01), Jennings
patent: 2822122 (1958-02-01), Cole
patent: 3071075 (1963-01-01), Spring
patent: 3245610 (1966-04-01), Sebok et al.
patent: 3733150 (1973-05-01), Porter et al.
patent: 3790312 (1974-02-01), Bottoms

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