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. 02, 2008
Filed:
Oct. 13, 2006
David B. Finkenbinder, Ravenna, OH (US);
Jeffrey D. Marsden, Stow, OH (US);
R. Craig Miller, Uniontown, OH (US);
Huanbo Wu, Cuyahoga Falls, OH (US);
David B. Finkenbinder, Ravenna, OH (US);
Jeffrey D. Marsden, Stow, OH (US);
R. Craig Miller, Uniontown, OH (US);
Huanbo Wu, Cuyahoga Falls, OH (US);
Ametek, Inc., Kent, OH (US);
Abstract
The present invention generally provides a motor-fan unit including a motor assembly having a shaft, a commutator supported on the shaft, and a pair of brushes in electrical contact with the commutator, a fan assembly having an impeller coupled to the shaft, an end plate assembly located between the impeller and the motor assembly said end plate assembly including a plate portion defining an opening throughwhich the shaft passes, wherein said commutator is located near the opening, and a pair of brush retainers adapted to receive the brushes formed on the plate portion adjacent said commutator, the brush retainers opening toward the fan assembly.