US 12,421,872 B2
Spring damping for bearing compartment
Lawrence A. Binek, Glastonbury, CT (US); and Christopher D. Ramsey, Glastonbury, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Nov. 1, 2023, as Appl. No. 18/499,376.
Claims priority of provisional application 63/423,270, filed on Nov. 7, 2022.
Prior Publication US 2024/0151160 A1, May 9, 2024
Int. Cl. F01D 25/16 (2006.01); B22F 5/00 (2006.01); B22F 10/00 (2021.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); F16C 35/02 (2006.01); B64D 27/10 (2006.01)
CPC F01D 25/164 (2013.01) [B22F 5/009 (2013.01); B22F 10/00 (2021.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F16C 35/02 (2013.01); B22F 2998/10 (2013.01); B64D 27/10 (2013.01); F05D 2230/60 (2013.01); F05D 2240/50 (2013.01); F16C 2360/23 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A bearing compartment comprising:
a housing including a lower portion and an upper portion extending from the lower portion, wherein the housing is integrally formed with a spring configured to deform in response to a force, wherein the lower portion includes the spring radially inward of the housing, wherein the upper portion comprises an overhang region that is supported by and integrally formed with the spring, the spring comprises a plurality of struts that extend axially within the housing, and the spring comprises a shell with an internal lattice structure within the struts.