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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 12774659 B1

PDFFull Text
Date of Patent:
Oct. 27, 2026

Filed:

Jan. 10, 2022

Pre-sintered preform with high temperature capability, in particular as abrasive coating for gas turbine blades

Applicant:

Nuovo Pignone Tecnologie—srl, Florence, IT;

Inventors:

Stefania Stramare, Florence, IT;

Leonardo Tognarelli, Florence, IT;

Vittorio Michelassi, Florence, IT;

Gino Baldi, Florence, IT;

Gabriele Masi, Florence, IT;

Assignee:

Nuovo Pignone Tecnologie S.R.L., Florence, IT;

Attorney:

Paul Frank + Collins P.C.

Primary Examiner:

Courtney D Heinle

Assistant Examiner:

Cameron A Corday

Int. Cl.
CPC ...
F01D 5/28 (2006.01); F01D 11/12 (2006.01);
U.S. Cl.
CPC ...
F01D 5/28 (2013.01); F01D 11/122 (2013.01); F05D 2230/237 (2013.01); F05D 2300/175 (2013.01); F05D 2300/2282 (2013.01);
Abstract

The disclosure concerns an abrasive gas turbine blade tip cap preform for bonding to a blade tip to form an abrasive blade tip cap, the abrasive gas turbine blade tip cap preform being formed of a bonding layer and an abrasive layer, the bonding layer being a metallic layer comprising powder size particles of a nickel braze alloy and a nickel base superalloy, and the abrasive layer being a ceramic layer in a metal matrix comprising powder size particles of cubic boron nitride (cBN) and aluminum oxide (Al0) in a metal matrix of same composition of the bonding layer. The disclosure also concerns a method of manufacturing an abrasive gas turbine blade tip cap preform and a method of bonding the abrasive gas turbine blade tip cap preform to a blade tip to form an abrasive blade tip cap.

Find Patent Forward Citations

Stramare, Stefania. (2026). Pre-sintered preform with high temperature capability, in particular as abrasive coating for gas turbine blades (U.S. Patent No. 12774659). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774659

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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