Optics: image projectors – Temperature control – Liquid coolant
Reexamination Certificate
2007-08-30
2010-11-30
Luu, Thanh X (Department: 2878)
Optics: image projectors
Temperature control
Liquid coolant
C353S061000
Reexamination Certificate
active
07841721
ABSTRACT:
A projector includes: an optical component; a sealed structure within which the optical component casing is disposed, the sealed structure including: a loop air-circulation path in which air is circulated; an optical component casing having an inlet for the air to flow into the optical component casing and an outlet for the air to flow out of the optical component casing; a plurality of ducts that introduces the air into the optical component casing through the inlet and re-introduces the air flowing out of the optical component casing through the outlet into the optical component casing through the inlet; and a heat radiator having a heat-receiving member disposed inside the sealed structure to receive the heat of the air within the sealed structure and a heat-conducting member that penetrates an inside and an outside of the sealed structure, the heat-conducting member having a first end disposed inside the sealed structure and coupled to the heat-receiving member in a heat-transferable manner to transfer the heat of the heat-receiving member to a second end of the heat-conducting member disposed outside the sealed structure; and a circulation fan that circulates the air within the loop air-circulation path.
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Momose Yasunaga
Yanagisawa Yoshiyuki
Luu Thanh X
Oliff & Berridg,e PLC
Seiko Epson Corporation
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