Blower assembly

Details Blower assembly Blower assembly

1977-10-17

1979-08-28

Croyle, Carlton R.

Pumps

Motor driven

Motor rotor intermediate coaxial pump rotors

417363, 417370, F04B 1700

Patent

active

041659538

ABSTRACT:
A blower assembly includes an electric ventilated motor having a through output shaft with a blower wheel attached at each end. The motor, encircled by a pair of rubber O-rings with the blower wheels attached, is inserted in a blower housing assembly which is split along a horizontal line parallel to the motor output shaft which divides the housing assembly into an upper and lower housing. The housing assembly contains a central cavity for enclosing the motor and a cavity to either side of the central cavity for enclosing the blower wheels. The motor proximate and distal walls of the blower wheel cavities contain inlets to allow air to be drawn in by the blower wheels and the blower wheel cavities in the lower housing contain air outlets for the air to be blown out. The lower housing further contains air passages from the air outlets, to one end of the motor cavity to provide pressurized air to the motor. With the O-rings blocking passage of air between the motor and the housing, air is forced through the ventilated motor to cool the motor and exits through a motor exhaust in the upper housing proximate one of the inlets to the blower wheel cavity.

REFERENCES:
patent: 1906533 (1933-05-01), Burke
patent: 2112277 (1938-03-01), Euwer
patent: 2337325 (1943-12-01), Hach et al.
patent: 2390509 (1945-12-01), Carter
patent: 3199774 (1965-08-01), Lowell
patent: 3296824 (1967-01-01), Rohrs et al.
patent: 3390401 (1968-06-01), Matsuyoshi et al.
patent: 3469772 (1969-09-01), McDonald
patent: 3874191 (1975-04-01), Hudson

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