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:
Jan. 22, 2002
Filed:
Jul. 02, 1999
Applicant:
Inventors:
Assignee:
ABB Flakt Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 2/944 ;
U.S. Cl.
CPC ...
F04D 2/944 ;
Abstract
A high-pressure fan comprising a blade wheel ( ), a fan housing ( ) surrounding the blade wheel and an electric motor ( ) to operate the blade wheel. To eliminate the problems related to the mounting of the blade wheel, the blade wheel ( ) at least mainly consists of light carbon fiber based composite material and is directly mounted on the shaft ( ) of the electric motor.