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:
Sep. 02, 2014

Filed:

Mar. 23, 2011
Applicants:

Kazuhiro Tanaka, Azumino, JP;

Hiroshi Yamanoi, Shiojiri, JP;

Michiko Yamasaki, Kai, JP;

Hiroshi Onodera, Matsumoto, JP;

Yuichiro Iwama, Shiojiri, JP;

Toshizo Nishi, Matsumoto, JP;

Inventors:

Kazuhiro Tanaka, Azumino, JP;

Hiroshi Yamanoi, Shiojiri, JP;

Michiko Yamasaki, Kai, JP;

Hiroshi Onodera, Matsumoto, JP;

Yuichiro Iwama, Shiojiri, JP;

Toshizo Nishi, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); F21V 29/02 (2006.01); F21V 29/00 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
F21V 29/02 (2013.01); G03B 21/16 (2013.01); F21V 29/027 (2013.01); G03B 21/2006 (2013.01); F21V 29/20 (2013.01); G03B 21/2093 (2013.01);
Abstract

A light source device includes: an arc tube having a light emission portion containing a pair of electrodes and configured to emit light by discharges induced between the pair of the electrodes; and a container body that accommodates the arc tube, the container body has a space in which the arc tube is accommodated, and a plurality of openings through that cooling fluids introduced from the outside of the container body are supplied into the space, the plural openings are formed at positions that allow the cooling fluids passing through the openings to collide with each other at a collision position above the light emission portion.


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