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:
Apr. 26, 2022

Filed:

Jul. 12, 2019
Applicants:

Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);

Rolls-royce Corporation, Indianapolis, IN (US);

Inventors:

Jun Shi, Carmel, IN (US);

Matthew R. Gold, Carmel, IN (US);

Assignees:

Rolls-Royce North American Technologies, Inc., Indianapolis, IN (US);

Rolls-Royce Corporation, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01); F05D 2230/31 (2013.01); F05D 2240/11 (2013.01); F05D 2240/30 (2013.01); F05D 2240/55 (2013.01); F05D 2300/6033 (2013.01);
Abstract

In some examples, a component includes a substrate and a non-continuous abradable coating on the substrate. The abradable coating includes a first portion defining a first plurality of coating blocks, a second portion defining a second plurality of coating blocks, and a blade rub portion extending between the first portion and the second portion and defining a third plurality of coating blocks. At least one of the first plurality of coating blocks or the second plurality of coating blocks is different than the third plurality of coating blocks in at least one coating block parameter.


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