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 7828297 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 09, 2010

Filed:

Jun. 11, 2007
Applicants:

Matthias Hoebel, Baden, CH;

Nigel Anthony Rhodes, Newbold Verdon, GB;

Ian James Summerside, Baden, CH;

Inventors:

Matthias Hoebel, Baden, CH;

Nigel Anthony Rhodes, Newbold Verdon, GB;

Ian James Summerside, Baden, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/447 (2006.01);
U.S. Cl.
CPC ...
Abstract

A leaf seal for sealing a shaft rotating about an axis, in particular in a gas turbine, includes a plurality of spaced-apart leaves disposed in a concentric circle around the axis and fixed in position. Each of the leaves includes a surface oriented essentially parallel to the axis and an integrally formed element configured to position and retain the leaves in the leaf seal.


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Hoebel, Matthias. (2010). Leaf seal, in particular for a gas turbine (U.S. Patent No. 7828297). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7828297

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