Method and apparatus for controlling temperature and ventilation

Details Method and apparatus for controlling temperature and ventilation Method and apparatus for controlling temperature and ventilation

1998-10-07

2000-03-28

Joyce, Harold

Ventilation

Having inlet airway

Sleeved vent for ceiling, wall, or floor

160202, 454256, F24F 1312

Patent

active

060424753

ABSTRACT:
A method and apparatus for controlling temperature and ventilation in an animal confinement building comprising a series of semi-rigid panels that are suspended in cascading arrangement along a flexible cable. The cable is connected to a mechanism for extending and retracting the cable so as to cause the panels to be lowered to open the aperture or raised to close the aperture according to sensed temperature and pressure conditions within the animal confinement building.

REFERENCES:
patent: 833058 (1906-10-01), Kidd
patent: 1126864 (1915-02-01), Rankin
patent: 1387062 (1921-08-01), Marshall
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patent: 1989391 (1935-01-01), Whittier
patent: 4428278 (1984-01-01), Sutton
patent: 5031574 (1991-07-01), McDowell
patent: 5492082 (1996-02-01), Krevinghaus et al.
patent: 5549150 (1996-08-01), Williams
patent: 5566644 (1996-10-01), Berry

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