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:
Oct. 16, 2018
Filed:
Oct. 17, 2014
Applicant:
Liebherr-components Biberach Gmbh, Biberach an der Riss, DE;
Inventors:
Assignee:
Liebherr-Components Biberach GmbH, Biberach an der Riss, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/124 (2006.01); F16J 15/447 (2006.01); H02K 5/15 (2006.01); H02K 5/173 (2006.01); F16C 33/80 (2006.01); F16C 19/06 (2006.01); F16C 33/30 (2006.01); F16C 33/32 (2006.01); F16C 33/62 (2006.01); F16J 15/453 (2006.01);
U.S. Cl.
CPC ...
H02K 5/124 (2013.01); F16C 19/06 (2013.01); F16C 33/303 (2013.01); F16C 33/32 (2013.01); F16C 33/62 (2013.01); F16C 33/80 (2013.01); F16J 15/4476 (2013.01); F16J 15/453 (2013.01); H02K 5/15 (2013.01); H02K 5/1732 (2013.01); F16C 2204/60 (2013.01); F16C 2206/40 (2013.01); F16C 2380/26 (2013.01);
Abstract
The present invention relates to electrical machines having a shaft rotatably supported in a housing and having a labyrinth seal with labyrinth contours engaging into one another for sealing the housing with respect to the shaft. The invention in this respect in particular relates to the labyrinth seal for sealing the housing of a three-phase machine with respect to a shaft rotatable relative to the housing. In accordance with the invention, at least one side of the labyrinth seal is at least provided with an insulating coating in the region of the labyrinth contours.