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:
May. 12, 1998
Filed:
Jan. 06, 1997
Applicant:
Inventor:
Jeffrey S Jerdee, Brooklyn Center, MN (US);
Assignee:
Wagner Spray Tech Corporation, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4152112 ; 4152191 ; 415220 ; 219370 ; 310 58 ;
Abstract
A heat gun having a fan assembly for use therein having a flow straightener to reduce turbulence in air passing through the fan assembly. The fan assembly also includes a blower housing with a reduced diameter outlet, a relatively large diameter radial flow impeller, and an electric motor to rotate the impeller. The flow straightener includes a plurality of vanes, and curved radially interior and exterior walls. The motor includes apertures in upstream and downstream ends and apertures in a cylindrical sidewall.