Solar operated vent cover

Details Solar operated vent cover Solar operated vent cover

1994-12-13

1997-09-30

Doerrler, William

Ventilation

Vehicle

Roof structure

454 94, B60J 708

Patent

active

056721013

ABSTRACT:
An improved solar operated ventilator cover is disclosed for covering an aperture disposed in a horizontal surface. The cover has sidewalls with a cover opening and a top surface with an internal wall extending between the sidewalls and the top wall. An orifice is defined in the internal wall for enabling the flow of air within the cover. An electric motor has a motor shaft with a fan blade positioned proximate the orifice. A photovoltaic cell is connected to the electric motor for rotating the fan blade proximate the orifice to establish the flow of air through the cover opening.

REFERENCES:
patent: 3303769 (1967-02-01), Williams
patent: 3472147 (1969-10-01), Grasseler
patent: 3738621 (1973-06-01), Anderson
patent: 4048910 (1977-09-01), Weir
patent: 4759270 (1988-07-01), Lindeen
patent: 4800803 (1989-01-01), Farmont
patent: 5038674 (1991-08-01), Merges
patent: 5156568 (1992-10-01), Ricci

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