The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 03, 2015

Filed:

Dec. 03, 2012
Applicants:

Takumi Kijima, Tokyo, JP;

Koji Kumano, Tokyo, JP;

Yukio Sato, Tokyo, JP;

Mitoru Yabe, Tokyo, JP;

Inventors:

Takumi Kijima, Tokyo, JP;

Koji Kumano, Tokyo, JP;

Yukio Sato, Tokyo, JP;

Mitoru Yabe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 21/00 (2006.01); F21V 29/00 (2006.01); G03B 21/16 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
F21V 29/004 (2013.01); G03B 21/16 (2013.01); G03B 21/2033 (2013.01);
Abstract

A light source apparatus includes an outer casing. A light source member and a light source module having a cooling body which cools the light source member are disposed in the outer casing. A wind tunnel which surrounds a heat pipe unit as the cooling body of the light source module is provided in the outer casing. The wind tunnel includes a wind passage which allows cooling wind to pass through the heat pipe unit. An intake-opening is formed in a surface of the outer casing, and cooling wind is taken into the outer casing from outside thereof through the intake-opening. One end of the wind passage of the wind tunnel is connected to the intake-opening.


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