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:
Jul. 05, 2016
Filed:
May. 08, 2012
Applicants:
Eric A. Grover, Tolland, CT (US);
Thomas J. Praisner, Colchester, CT (US);
Joel H. Wagner, Wethersfield, CT (US);
Inventors:
Eric A. Grover, Tolland, CT (US);
Thomas J. Praisner, Colchester, CT (US);
Joel H. Wagner, Wethersfield, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/02 (2006.01); F01D 11/00 (2006.01); F01D 5/08 (2006.01);
U.S. Cl.
CPC ...
F01D 11/001 (2013.01); F01D 5/081 (2013.01); F01D 11/02 (2013.01); F05D 2250/73 (2013.01); F05D 2260/97 (2013.01);
Abstract
Turbomachinery, such as a gas turbine engine, has parts with opposed first and second surfaces and with a cavity between the surfaces and with the first surface moving relative to the second surface. The turbomachinery further has at least one feature for creating pressure variations incorporated into the first and second surfaces.