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.

Patent No.:

US 8061851 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 22, 2011

Filed:

Sep. 20, 2007
Applicants:

Hiroshi Kawai, Tokyo, JP;

Masanori Takenaka, Tokyo, JP;

Inventors:

Hiroshi Kawai, Tokyo, JP;

Masanori Takenaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lamp cooling apparatus for cooling a lamp may include a lamp outlet duct connected to the lamp, a lamp inlet duct connected to the lamp, a first joint segment provided at the front end of the lamp outlet duct, a second joint segment provided at the front end of the lamp inlet duct, a first pipe whose one end is adjustably connected to the first joint segment, a third joint segment to which the other end of the first pipe is shiftably connected, a cooling mechanism section for cooling air, connected to the third joint segment, a fourth joint segment connected to a discharge section for discharging air cooled by the cooling mechanism section, and a second pipe whose one end is shiftably connected to the fourth joint segment, and the other end is shiftably connected to the second joint segment.


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Kawai, Hiroshi. (2011). Lamp cooling apparatus for enabling adjustments of setting positions and projection display apparatus having such lamp cooling apparatus (U.S. Patent No. 8061851). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8061851

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