Modular ventilating assembly

Details Modular ventilating assembly Modular ventilating assembly

1978-01-13

1980-04-29

Yuen, Henry C.

Pumps

With condition responsive pumped fluid control

Plural paths having individual condition responsive control...

98 21, 98 72, 417424, F24F 706

Patent

active

042000351

ABSTRACT:
A ventilating assembly is formed of three basic modules, namely a base unit constituted as a static ventilator, a turbine unit constituted as a wind-operated ventilator, and a drive unit which can operate the turbine unit as a motor-driven ventilator. The base unit is affixed to the top of a chimney or a vent stack and can operate all alone as a static ventilator. The turbine can be attached to a seat on this base unit so that the turbine fan lies in a venturi chamber formed between upper and lower portions of the base unit. If desired the motor unit can further be mounted on top of the base unit and the motor output shaft connected to the turbine to drive same.

REFERENCES:
patent: 2582902 (1952-01-01), Gohl
patent: 2666378 (1954-01-01), Ammerman
patent: 2777382 (1957-01-01), Solzman
patent: 2830526 (1958-04-01), Breidert
patent: 2982198 (1961-05-01), Mohrman
patent: 3202081 (1965-08-01), Cook
patent: 3739708 (1973-06-01), Felter
patent: 3797374 (1974-03-01), Jones
patent: 4015633 (1977-04-01), Mandell
patent: 4051770 (1977-10-01), Felter et al.
patent: 4093397 (1978-06-01), Lovelady

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