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:
Oct. 21, 1986
Filed:
Jan. 28, 1985
Applicant:
Inventors:
Georg Papst, St. Georgen, DE;
Gunter Wrobel, Villingen-Schwenningen, DE;
Assignee:
Papst-Motoren GmbH & Co., St. Georgen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ; F04D / ;
U.S. Cl.
CPC ...
417354 ; 417360 ; 4174 / ; 4152 / ; 415215 ;
Abstract
A small fan with an electric power motor is provided, the rotor of which is designed as a cup-shaped outer rotor and blade wheel hub. The outer wall of the blade wheel hub coaxially widens in the direction of air flow and forms the inner wall of an air flow duct. The fan blades are mounted on this outer wall, which wall, is conical shaped and is disposed as an outer lining over the cup-shaped outer rotor.