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:
Dec. 11, 2018

Filed:

May. 20, 2016
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Dmytro Mykolayovych Voytovych, Rocky Hill, CT (US);

Alexander Staroselsky, Avon, CT (US);

Eric D. Gray, Glastonbury, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 3/04 (2006.01); F04D 29/32 (2006.01); F02K 3/06 (2006.01); F04D 29/38 (2006.01); F01D 5/14 (2006.01); F01D 5/22 (2006.01);
U.S. Cl.
CPC ...
F04D 29/324 (2013.01); F01D 5/146 (2013.01); F02C 3/04 (2013.01); F02K 3/06 (2013.01); F04D 29/384 (2013.01); F01D 5/225 (2013.01); F05D 2220/323 (2013.01); F05D 2240/307 (2013.01); F05D 2240/35 (2013.01);
Abstract

A tandem tip blade includes a main blade body, a front blade and a rear blade. The front blade extends from a main body end. Each of a front blade pressure and a front blade suction side extends between a front blade leading edge and a front blade trailing edge and a front blade tip extending from the front blade pressure side to the front blade suction side. The rear blade extends from the main body end. Each of a rear blade pressure side and a rear blade suction side extends between a rear blade leading edge and a rear blade trailing edge, and a rear blade tip extending from the rear blade pressure side to the rear blade suction side.


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