Active ridge vent

Details Active ridge vent Active ridge vent

1984-04-13

1986-07-01

Tapolcai, William E.

Valves and valve actuation

Rotary valves

Ball valve

74 96, 251303, F24F 1314

Patent

active

045973245

ABSTRACT:
An active ridge vent designed for providing varying degrees of ventilation at the ridge of a building such as a livestock building. An arm in combination with a triangular member, a linkage, and a channel allow the opening created by two opposed doors which are hinged to the open peak of a gable roof to vary. The opening is designed to vary in accordance with the temperature level in the livestock building.

REFERENCES:
patent: 87668 (1869-03-01), Hayes
patent: 919673 (1909-04-01), Anderson
patent: 1410625 (1922-03-01), Sylvan
patent: 1618792 (1927-02-01), Wood et al.
patent: 1952350 (1934-03-01), Armstrong
patent: 2009870 (1935-07-01), Black
patent: 2519239 (1950-08-01), Eddison et al.
patent: 2538319 (1951-01-01), Moore
patent: 3323438 (1967-06-01), Korff
patent: 3417961 (1968-12-01), Schorrock

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