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.

Date of Patent:
May. 28, 2019

Filed:

Dec. 09, 2016
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Joseph J. Czapski, Jr., New Britain, CT (US);

David C. Pimenta, Rocky Hill, CT (US);

Chung-Han Liou, Stoneham, MA (US);

Paul R. Senofonte, Jupiter, FL (US);

Steven D. Roberts, Moodus, CT (US);

Assignee:

United Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 1/06 (2006.01); F02K 1/09 (2006.01);
U.S. Cl.
CPC ...
F02K 1/06 (2013.01); F02K 1/09 (2013.01); F05D 2220/36 (2013.01); F05D 2260/50 (2013.01);
Abstract

Tracks (), fastened to static structure of an aircraft engine nozzle, guide sliders () journaled in struts () fastened to a flap () of the nozzle. Each slider and attached journal axle or bolt () is formed of cobalt, and each track slider surface () and journal bushings () are formed of a nickel alloy to reduce wear from rubbing. Track slides () are mounted to the static structure of the nozzle by blind bolts () having a tool recess () at its threaded tip to prevent the bolt () from turning as a nut is secured. Each slider has limited rotation due to a pin (), thereon engaging a slot in a tab () of the bushing () to assist in inserting the slider () into the beveled ends of the tracks (), when mounting or replacing a flap.


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