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:
Mar. 30, 2004
Filed:
May. 20, 2002
Applicant:
Inventor:
Karsten A. Laing, La Jolla, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 7/08 ;
U.S. Cl.
CPC ...
H02K 7/08 ;
Abstract
In the motor assembly of a pump in which a magnetic rotor is balanced on a spherical bearing projecting into an axial cavity of said rotor assembly, the bearing surface inside the cavity is shaped and dimensioned to stabilize the rotor assembly in the presence of diverging magnetic forces generated by the permanent magnets forming the core of the rotor.