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:
Feb. 11, 2014
Filed:
Feb. 20, 2004
Applicants:
Wade D. Vinson, Magnolia, TX (US);
John P. Franz, Houston, TX (US);
Yousef Jarrah, Tucson, AZ (US);
Inventors:
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cooling fan having motor and an impeller. The cooling fan may comprise a three-phase DC motor. The impeller may comprise a hub to house the three-phase DC motor and a plurality of blades extending from the hub. Each blade may have a height that is at least 25 % of the impeller diameter.