US 12,297,908 B2
Seal for an aircraft engine
Tibor Urac, Mississauga (CA); and Sébastien Bergeron, St-Bruno-de-Montarville (CA)
Assigned to PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed by PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed on Jun. 9, 2022, as Appl. No. 17/806,185.
Prior Publication US 2023/0399982 A1, Dec. 14, 2023
Int. Cl. F16J 15/08 (2006.01); F01D 11/00 (2006.01); F02C 7/28 (2006.01)
CPC F16J 15/0887 (2013.01) [F01D 11/003 (2013.01); F02C 7/28 (2013.01); F05D 2240/55 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A seal for an aircraft engine, comprising:
an annular body receivable in interference fit in a radial spacing defined between an inner cylindrical component and an outer cylindrical component of the aircraft engine, the annular body defining a central axis for being coaxial with the inner cylindrical component and the outer cylindrical component;
the annular body including an inner portion defining an inner diameter, an outer portion defining an outer diameter, and an intermediate portion extending between the inner and outer portions;
only one of the inner portion and the outer portion of the annular body having at least one cut extending therethrough and defining a contact sealing portion configured to be slidably engageable with a first respective one of the inner cylindrical component and the outer cylindrical component, wherein the at least one cut in said one of the inner portion and the outer portion extends radially from an end of said one of the inner portion and the outer portion toward the other of the inner portion and the outer portion beyond the contact sealing portion of the annular body; and
the other of the inner portion and the outer portion being free of cuts therein and configured to remain in static position relative to a second respective one of the inner cylindrical component and the outer cylindrical component;
wherein the seal is part of a seal assembly, the seal assembly including the inner and outer cylindrical components of the aircraft engine, the inner and outer components forming part of a hot air system of a compressor section of the aircraft engine.