Patent ID: 9017015
Filing Date: 2015-04-28
Classification: F01D,F05D,Y10T

Abstract:
1. A turbomachine comprising: an annular inner casing component having a first end that extends to a second end through an inner casing surface, and a seal member; an annular outer casing component coupled to the annular inner casing component, the annular outer casing component having a first end portion that extends to a second end portion through an outer casing surface, and a seal element that is configured and disposed to align with the seal member of the annular inner casing component to form a seal passage; and an annular seal arranged in the seal passage, the annular seal including a first end section that extends to a second end section through an intermediate zone, the first end section including a recessed portion formed in an axial surface of the annular seal, the recessed portion including at least three walls, and the second end section including a connecting portion, the connecting portion extending circumferentially from the second end section and being configured and disposed to nest within the at least three walls of the recessed portion to form a substantially continuous seal configured to substantially prevent fluid leakage between the annular inner casing and the annular outer casing.