Vortex blower

Details Vortex blower Vortex blower

1994-08-11

1996-10-29

Gluck, Richard E.

Pumps

Motor driven

Including means for selectively varying motor speed or...

4174231, 41742312, 41742315, 415 551, F04B 1700

Patent

active

055690238

ABSTRACT:
A vortex blower includes an induction motor and a blower portion driven by the motor. The blower portion includes an impeller and a casing. The impeller is so mounted on a rotary output shaft of the induction motor that the impeller is disposed near the induction motor. The casing is so disposed that the impeller is interposed between the induction motor and the casing. An inlet port and an outlet port are provided on an end of the casing opposite to the induction motor. The blower portion has approximately the same diameter as that of the induction motor.

REFERENCES:
patent: 3844674 (1974-10-01), Moriyama
patent: 3871797 (1975-03-01), Igarashi et al.
patent: 4231718 (1980-11-01), Ruhl
patent: 4483656 (1984-11-01), Abe et al.
World Pumps, No. 7, Jul. 1987, Morden GB p. 201 `motor control using frequency inverters`.
Soviet Inventions Illustrated Section PQ, Week 8639, 9 Oct. 1986 Derwent Publications Ltd., London, GB; Class Q56, AN 86-256875 & SU-A-1 196 532 (Philippov) 7 Dec. 1985 *abstract*.

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