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.:
Date of Patent:
Nov. 07, 2000
Filed:
Feb. 25, 1998
Applicant:
Inventors:
Takashi Kitahara, Kahoku-gun, JP;
Tadayoshi Shimanuki, Kahoku-gun, JP;
Assignee:
PFU Limited, Ishikawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174 163 ; 361709 ; 361697 ; 361719 ; 165 803 ;
Abstract
A cooling device for a heat generating element which includes a heat sink disposed on a top surface of the element mounted on a printed circuit board, a cooling air throttling mechanism supported by a base surface of the heat sink, and a plurality of heat-radiating fins on the base surface around the throttling mechanism. A plate-shaped cover covers a top surface of the heat sink and has an opening formed at a position facing the throttling mechanism. A cooling fan unit is positioned beneath the opening and mounted to be accommodated in the throttling mechanism.