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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.:

US 10103597 B1

PDFFull Text
Date of Patent:
Oct. 16, 2018

Filed:

Oct. 17, 2014

Labyrinth seal for three-phase machines

Applicant:

Liebherr-components Biberach Gmbh, Biberach an der Riss, DE;

Inventors:

Klaus Graner, Biberach an der Riss, DE;

Johann Lis, Riedlingen, DE;

Marijo Mendes, Ulm, DE;

Assignee:

Liebherr-Components Biberach GmbH, Biberach an der Riss, DE;

Attorney:

McCoy Russell LLP

Primary Examiner:

Tran Nguyen

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.

Find Patent Forward Citations

Graner, Klaus. (2018). Labyrinth seal for three-phase machines (U.S. Patent No. 10103597). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10103597

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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