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. 07, 1992
Filed:
Mar. 12, 1991
Applicant:
Inventors:
Joseph C Liu, Tulsa, OK (US);
Donald C Watson, Broken Arrow, OK (US);
Assignee:
Oil Dynamics, Inc., Tulsa, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 87 ; 310 90 ;
Abstract
A submersible motor includes a stator section along the entire length of rotor sections attached to the motor shaft, with a rotor bearing and sleeve assembly between each rotor section, each bearing including a fixed key for positioning in longitudinal spacings formed as a part of the stator section, to prevent rotation of the bearing during use.