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:
Aug. 24, 1982
Filed:
Apr. 04, 1980
Applicant:
Inventor:
Robert C Monroe, Houston, TX (US);
Assignee:
Hudson Products Corporation, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
416239 ; 4162 / ;
Abstract
There is disclosed an axial flow fan having blades which are made up of metallic inner portions attached to the hub of the fan, and outer plastic portions whose inner ends are secured to the outer ends of the metallic portion. The plastic portions are hollow and have an exterior surface of air foil cross section, and seal discs on one side of the hub extend outwardly therefrom to approximately the intersection of the metallic and plastic portions.