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:
Mar. 07, 2023

Filed:

Jan. 14, 2021
Applicant:

Rolls-royce Plc, London, GB;

Inventors:

Stephen C Harding, Derby, GB;

Frederic Witham, Derby, GB;

Assignee:

ROLLS ROYCE PLC, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/052 (2006.01); F23R 3/00 (2006.01); F02C 7/18 (2006.01); F23R 3/06 (2006.01);
U.S. Cl.
CPC ...
F23R 3/002 (2013.01); F02C 7/052 (2013.01); F02C 7/18 (2013.01); F23R 3/06 (2013.01); F05D 2220/323 (2013.01); F05D 2240/35 (2013.01); F05D 2260/201 (2013.01); F23R 2900/03041 (2013.01); F23R 2900/03043 (2013.01); F23R 2900/03045 (2013.01);
Abstract

A combustion chamber () comprising a wall at least partially defining a combustion zone and having a first surface () facing away from the combustion zone and a second surface () facing the combustion zone, the wall having at least one effusion cooling aperture () extending there-through from the first surface to the second surface, the effusion cooling aperture having an inlet in the first surface and an outlet in the second surface, the first surface having a particle separator () at least partially located upstream of the inlet of the effusion cooling aperture, the particle separator projecting away from the first surface and away from the combustion zone.


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