Back to results
US 2013/0156558 A1Published application
Annular gas turbine engine case and method of manufacturing
AssigneePratt & Whitney Canada Corp.
InventorsBarry Barnett, Steven Hunt, Czeslaw Wojtyczka
Life of this patent
Estimating the term…
Abstract
The method is used for making an annular gas turbine engine case from a preform. The method comprises comprising flowforming at least one section of the preform, and then outwardly bending at least one portion of the perform.
Claims4
An annular gas turbine engine case comprising:
- at least one flowformed section;
- and
- at least one outwardly bent portion at each distal end thereof.
Dependencies are inferred from the claim text.