Electro-pneumatic blower

Details Electro-pneumatic blower Electro-pneumatic blower

1993-06-07

1995-06-27

Bertsch, Richard A.

Pumps

Motor driven

Including manual, mechanical, or diverse drive

417406, 415202, F04B 1700

Patent

active

054275083

ABSTRACT:
An electro-pneumatic blower having an electric motor drive and a set of centrifugal blower blade and a set of compressed air turbine blades, both sets being an integral part of a single blower turbine wheel which is mounted on the shaft of the motor. A preferred embodiment is a 30 pound portable unit which which has been tested at flows of 250 CFM at 6.6 inches water gage pressure rise when driven by a 0.5 HP, 3600 RPM electric motor. The blower provides flows of 375 CFM at 13 inches water gage pressure when driven by a compressed air turbine at 80 psig. The compressed air turbine blades in this embodiment are cast along with the blower blades as parts of a single blower-turbine wheel.

REFERENCES:
patent: 2971333 (1961-02-01), Mendelsohn et al.
patent: 3809493 (1974-05-01), Pilarczyk
patent: 4077748 (1978-03-01), Potz
patent: 4080787 (1978-03-01), Biggs, Jr. et al.
patent: 4135253 (1979-01-01), Reich et al.
patent: 4232991 (1980-11-01), Gamell
patent: 5013214 (1991-05-01), Kapich
patent: 5120194 (1992-06-01), Nichols

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