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. 17, 1987
Filed:
Aug. 29, 1983
Applicant:
Inventor:
Terrill A Daily, Richardson, TX (US);
Assignee:
The Marley Company, Mission Woods, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H / ; F04D / ;
U.S. Cl.
CPC ...
219370 ; 219373 ; 415204 ; 415206 ;
Abstract
An archimedic or logarithmic scroll is used with an axial fan to provide a smooth and relatively quiet air flow over the electric heating elements. Additionally a lip 21 is mounted at the air outlet to prevent heated air from being drawn back through the axial fan.