Patent ID: 8864453
Filing Date: 2014-10-21
Classification: F01D

Abstract:
1. A near flow path seal member for a turbomachine comprising: a seal body including a seal support member having a first end portion that extends to a second end portion through an intermediate portion; an arm member extending from the first end portion of the seal body, the arm member having a first end that extends to a second end to define an axial dimension of the arm member, a first edge that extends to a second, opposing edge to define a circumferential dimension of the arm member, and a surface having a profile that establishes a thickness variation of the arm member in each of the axial dimension and the circumferential dimension; another arm member extending from the first end portion of the seal body, the another arm member having a first end that extends to a second end to define an axial dimension of the another arm member, a first edge that extends to a second, opposing edge to define a circumferential dimension of the another arm member, and another surface having a profile that establishes a thickness variation of the another arm member in each of the axial dimension and the circumferential dimension, wherein the near flow path seal member is configured and disposed to seal between one of a first stage and a second stage, a second stage and a third stage, and a third stage and a fourth stage of a turbine.