Air bar assembly

Details Air bar assembly Air bar assembly

1979-08-01

1981-07-07

Tapolcai, Jr., William E.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

98 40D, 137896, F24F 1304

Patent

active

042768179

ABSTRACT:
A lighting fixture is disclosed. The lighting fixture comprises a top and side and end walls, means for supporting a light source in the fixture to emit light from a light-emitting side thereof, and conduit means operatively associated with the fixture so that a heat transfer fluid circulated therethrough is in heat transfer relationship with the fixture. The fixture has a path including at least one opening therein through which air can flow from the exterior on the light-emitting side to the interior, and to the exterior opposite the light-emitting side, and a damper movable between an open position and a closed position, and effective in the closed position, but ineffective in the open position, to prevent the flow of air from the interior of the fixture to the exterior opposite the light-emitting side. The fixture also includes means responsive to the temperature of the lighting fixture, and effective to move the damper toward an open position when the fixture temperature exceeds a control temperature, and to move the damper toward a closed position when the fixture temperature is below a control temperature.

REFERENCES:
patent: 3265859 (1966-08-01), Castello et al.
patent: 3382916 (1968-05-01), Laux
patent: 3611908 (1971-10-01), Spoormaker
patent: 3748998 (1973-07-01), Lambert

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