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:
Sep. 11, 1990
Filed:
Sep. 21, 1988
Applicant:
Inventor:
Gunter Wrobel, Villingen-Schwenningen, DE;
Assignee:
Papst-Motoren & Co. GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ; F16C / ;
U.S. Cl.
CPC ...
417354 ; 41742312 ; 310 / ; 310 90 ;
Abstract
A bearing assembly for a small compact sized fan is provided which can utilize either a sintered bearing or a roller bearing, and which provides several embodiments for positioning the bearings in a radial and axial direction. The invention utilizes a bearing support tube for constraining the bearing in radial direction and an end cover cap attached to a flange of the fan duct to retain the bearings in an axial direction.
Wrobel, Gunter. (1990). Small size fan (U.S. Patent No. 4955791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4955791
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile