Wind controlled roof ventilation system

Details Wind controlled roof ventilation system Wind controlled roof ventilation system

1990-02-26

1991-02-05

Joyce, Harold

98 73, F24F 702

Patent

active

049895036

ABSTRACT:
A wind-directed ventilator hood assembly for a narrow elongated air exit opening in the roof of a farm building spanning a long portion of the roof, including hood supporting uprights projecting upwardly from the air exit opening at plural spaced locations, a horizontal elongated pivot shaft journaled in the uprights above the exit opening, and a pivoted elongated hood for covering the opening having transverse beams and a hood roof covering the beams. The hood roof has downwardly diverging side panel portions inclined about 90.degree. to each other and the beams are fixed to said shaft for rotation therewith between a first position opening toward one of a pair of upwardly inclined roof sections with a side panel portion disposed vertically adjacent one roof section and a section position opening toward the other roof section. A wind vane is supported for movement responsive to wind force to activate a vane direction sensing mechanism and driving the hood to the first and second hood positions.

REFERENCES:
patent: 1420141 (1922-06-01), Pennington
patent: 1533344 (1925-04-01), Singleton
patent: 2529491 (1950-11-01), Gadzuk
patent: 4593610 (1986-06-01), Chabut

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