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 8419366 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 16, 2013

Filed:

Jul. 10, 2009
Applicants:

Roderick M. Townes, Derby, GB;

Ian Tibbott, Lichfield, GB;

Edwin Dane, Nottingham, GB;

Inventors:

Roderick M. Townes, Derby, GB;

Ian Tibbott, Lichfield, GB;

Edwin Dane, Nottingham, GB;

Assignee:

Rolls-Royce PLC, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

Cooling arrangements for blades, and in particular turbine blades utilizing gas turbine engines include impingement apertures with impingement jets, which improve cooling efficiency. By providing a leading passage, which is divided at least into a lower section and an upper section, the lower section can have a wall, which is solid for structural integrity while an upper section has impingement apertures for greater cooling efficiency.


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Townes, Roderick. (2013). Cooling arrangement for utilization with a turbine blade in a gas turbine engine (U.S. Patent No. 8419366). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8419366

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