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:
Aug. 06, 2013
Filed:
Jul. 02, 2008
Applicants:
Alfons Gail, Friedberg, DE;
Stefan Beichl, Herrsching, DE;
Inventors:
Alfons Gail, Friedberg, DE;
Stefan Beichl, Herrsching, DE;
Assignee:
MTU Aero Engines GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sealing device for a coolant supply on a rotating spindle includes a first brush seal and a second brush seal arranged one after another in series on the spindle. An annular leakage chamber is formed axially between the first and second brush seals, and radially between the spindle and a spindle housing.