Roof ventilator

Details Roof ventilator Roof ventilator

1973-02-28

1976-03-30

Wayner, William E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

415DIG3, F24F 706

Patent

active

039466485

ABSTRACT:
A roof ventilator for radial or axial exhaust, comprising a ventilator housing supported on a base plate and enclosing an impeller wheel driven by a motor of the internal-rotor type or the external-rotor type, said ventilator housing comprising bottom and hood components of mutually similar bowl-shape, and said components for different capacity ventilators and different mounting of the motors being interchangeable to selectively accommodate radial and axial exhaust installations.

REFERENCES:
patent: 1029979 (1912-06-01), Ehrhart
patent: 2805615 (1957-09-01), Rudy
patent: 2832292 (1958-04-01), Edwards
patent: 2912916 (1959-11-01), Mohrman
patent: 3110357 (1963-11-01), Jenn et al.
patent: 3202081 (1965-08-01), Cook
patent: 3316848 (1967-05-01), Egger
patent: 3499378 (1970-03-01), Baumann et al.

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