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US 2014/0360242 A1Published application
Rotor end band
AssigneeHamilton Sundstrand Corporation
InventorsKavithas Ponnampalam, Jong-Yeong Yung, William Louis Wentland, Craig R. Legros, Kevin L. Dickerson, Davis S. Behling
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Abstract
An end band and method of forming an end band for a rotor. The end band includes a hollow cylindrical band, wherein at least a portion of the band has a grain flow in a direction parallel to the hoop stress of the band. The end band also includes at least a portion having a grain flow in a direction perpendicular to the hoop stress of the band.
Claims9
A method for manufacturing an end band comprising:
- hydroforming a hollow cylinder having an open end and a closed end;
- stress-relieving the hollow cylinder;
- aging the hollow cylinder;
- and
- removing the closed end of the hollow cylinder to form an end band.
2 more elements
Dependencies are inferred from the claim text.