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:
Jul. 06, 2004
Filed:
Mar. 08, 2002
Applicant:
Inventor:
Paul Griggs, Baton Rouge, LA (US);
Assignee:
Lawrence Pumps, Inc, Nashua, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/10 ;
U.S. Cl.
CPC ...
H02K 5/10 ;
Abstract
A canned motor comprising a rotor assembly having at least 6 poles, a stator assembly, and an isolating can separating the rotor assembly and stator assembly. The canned motor an L /D ratio of less than 50, and first and second frictionless bearings positioned on the rotor shaft.