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. 15, 1981
Filed:
Apr. 13, 1979
Applicant:
Inventor:
Gerhard Quandt, Heidelberg, DE;
Assignee:
Teldix GmbH, Heidelberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 90 ; 310266 ; 57 77 ; 308-9 ; 308D / ;
Abstract
In a bearing and drive structure for the spinning rotor of an open-end spinning turbine in which the rotor is carried by an elastically mounted bearing, the structure including a stator having a portion disposed adjacent a portion of the stator; the stator and rotor portions together defining an electrical drive for the spinning rotor and being separated from one another by a motor air gap, the rotation of the rotor is stabilized by the provision of mutually facing, circumferentially extending surfaces on, respectively, the rotor and a stationary body adjacent the rotor and forming a stabilizing air gap smaller than the motor air gap.