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. 29, 2007
Filed:
Dec. 03, 2004
Applicants:
Siu Chun Tam, Hong Kong, CN;
Gary M. Marcy, Rochester, NY (US);
Inventors:
Siu Chun Tam, Hong Kong, CN;
Gary M. Marcy, Rochester, NY (US);
Assignee:
Johnson Electric S.A., La Chaux-de-Fonds, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blower motor for a vacuum cleaner or the like has an impeller/rotor assembly which is dynamically balanced. Air guide vanes are disposed between the diffuser plate and fan cover and surround the impeller periphery. A fan coveraccommodates the impeller. A vane plateis fitted to the fan coverfor easy assembly and has guide vaneswhich locate about the impellerfor guiding the working air from the impeller to a diffuser plate.