LIGHTING FIXTURE
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United States of America Patent
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app pub date -
May 24, 2017
filing date -
Jul 12, 2016
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Abstract
A lighting fixture includes a lamp housing, a fan, a heat sink and a light engine. The lamp housing includes an air inlet opening, an air outlet opening and an illumination opening. The fan is installed inside the lamp housing, and the fan includes an air inlet corresponding to the air inlet opening and an air outlet corresponding to the air outlet opening. The heat sink includes a plurality of cooling fins, and each cooling fin is arranged corresponding to directions of the air outlet of the fan and the air outlet opening. The light engine includes one side attached onto a plane surface of the heat sink and another side arranged to face toward a direction of the illumination opening. Accordingly, the use of active cooling method is able to effectively increase the cooling effect of the lighting fixture.
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