Motor fan for a cleaning apparatus

Details Motor fan for a cleaning apparatus Motor fan for a cleaning apparatus

1997-08-05

1999-11-16

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

416186R, 416188, 416195, 416229R, 416244R, 403263, 403326, F04D 2928

Patent

active

059846321

ABSTRACT:
A motor fan for a cleaning apparatus that creates the suction caused by a rotor in a suction device mounted in the cleaning apparatus such that foreign materials are drawn therein has a fan member coupled to the rotor and is provided with a plurality of curved fins thereon and which fins cause the air in a collection compartment to pass through a suction inlet by the suction when the rotor is rotated, and to discharge the sucked air outside a body through outlets and an exhaust outlet. A reinforcing member is provided and is closely engaged with a rear surface of the fan member, and which reinforcing member insertedly receives a shaft of the suction device and firmly is tightened by a nut. The reinforcing member is provided with a hub and a hole is provided in the hub for mounting the reinforcing member on a screw portion of the shaft, and further has a front surface provided with a plurality of bosses thereon, and the bosses are such that the reinforcing member is not separated from the fan member when the fan spins at high speed.

REFERENCES:
patent: 390615 (1888-10-01), Nye
patent: 2443688 (1948-06-01), McFarland
patent: 3131956 (1964-05-01), Bailey
patent: 3228482 (1966-01-01), Bunyan
patent: 3388749 (1968-06-01), Woods et al.
patent: 4428717 (1984-01-01), Catterfeld
patent: 4462757 (1984-07-01), Uemura

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