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US 2007/0177109 A1Published application
Projection apparatus provided with a heat sink
AssigneeCoretronic Corporation
InventorNien-Hui Hsu
Life of this patent
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Abstract
A projection apparatus includes an outer casing, a light source disposed within the casing for generating light beams, and an optical engine connected to the light source for receiving the light beams in order to project an image. A heat sink includes an air tunnel mounted within the casing, and having air inlet disposed above the light source, and an exhaust fan mounted within an opening unit in the casing such that the fan unit is disposed in alignment with an air outlet of the air tunnel to transmit the intensive heat generated from the light source.
Claims12
A projection apparatus comprising:
- an outer casing formed with an opening unit;
- a light source disposed within said outer casing for generating light beams;
- a heat sink including
- an air tunnel mounted within said outer casing, and having an air inlet disposed above and adjacent to said light source, and an air outlet opposite to said air inlet, and
- an exhaust fan unit mounted on said outer casing within said opening unit and disposed in alignment with said air outlet of said air tunnel so as to exhaust heat generated by said light source toward an exterior of said outer casing via said air tunnel;
- and
- an optical engine disposed within said outer casing and connected to said light source for receiving said light beams in order to project an image.
4 more elements
Dependencies are inferred from the claim text.