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:
Jun. 04, 2002
Filed:
Jun. 01, 2000
Applicant:
Inventor:
Takashi Sekiguchi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 4/106 ;
U.S. Cl.
CPC ...
F04B 4/106 ;
Abstract
A cooling apparatus includes a plurality of fan units having a fan respectively, a plurality of temperature sensors detecting temperature of an object of cooling, included in the fan units respectively, and a control portion deciding the speed of the fan according to the temperature detected by the temperature sensors in a self-control mode and increasing the speed of at least one of the other fans when the speed of any one of the fans is lower than a prescribed threshold in a coordinative control mode.