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:
Dec. 30, 1997
Filed:
Sep. 03, 1996
Applicant:
Inventors:
Craig Webster, Jesmond, GB;
John Sadler, Darlington, GB;
Assignee:
Black & Decker Inc., Newark, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15330 ; 15344 ; 15405 ; 15409 ;
Abstract
A debris blowing apparatus with a motor, a fan driven by the motor, an inlet to the fan and an air outlet from the fan. A portion of the air which is emitted through the outlet is recycled through a metering aperture into the air inlet to maintain a constant load on fan whilst varying the air output.