High performance efficiency dirty air motor/fan system

Details High performance efficiency dirty air motor/fan system High performance efficiency dirty air motor/fan system

1995-07-27

1997-04-22

Freay, Charles G.

Pumps

Motor driven

Electric or magnetic motor

41742314, 41742315, 248300, F04B 3504

Patent

active

056224850

ABSTRACT:
A high-performance, high efficiency dirty air motor/fan assembly for vacuum cleaners has a fan housing which includes an end bracket. The end bracket has a volute expansion chamber. A shroud/baffle unit mounts to the end bracket and serves to separate the exhaust plenum of the ventilating fan of the motor, from the intake plenum. A component mounting strap is mounted to the housing and the shroud/baffle unit to provide a mounting surface for vacuum cleaner interfaces.

REFERENCES:
patent: 4093168 (1978-06-01), Buril
patent: 5044883 (1991-09-01), Neuder
patent: 5060906 (1991-10-01), Gayle
patent: 5066193 (1991-11-01), Travanti Corinti et al.
patent: 5110266 (1992-05-01), Toyoshima et al.
patent: 5195710 (1993-03-01), Remblier
patent: 5375651 (1994-12-01), Colwell

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