Peter A. Faucher - Brooklyn CT, US Daniel E. Kane - Tolland CT, US Randall R. Good - Simpsonville SC, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
F04D 29/08 F04D 29/12
US Classification:
4151731, 4151733, 415115
Abstract:
A stator assembly for a rotary machine having an array of wall segments for bounding a working medium flow path is disclosed. Various construction details which provide a sealing structure for the segments are developed. In one detailed embodiment, a removable seal retainer for a seal chamber bounded by wall segments traps a resilient seal member in the seal chamber. In one particular embodiment, a modular subassembly for the engine is an outer air assembly disposed in a fixture as the subassembly is assembled.
Stiffening Ring For A Stator Assembly Of An Axial Flow Rotary Machine
John R. Larrabee - Portland CT Arthur W. Lucas - West Hartford CT Peter A. Faucher - Brooklyn CT
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
F01D 904
US Classification:
415142
Abstract:
A stator assembly for a gas turbine engine having a support structure and a stiffening ring 46 extending about the support structure 34 is disclosed. Various construction details which increase the rigidity of the support structure and enable the stiffening ring to accept axial and radial loads are developed. In one embodiment the stiffening ring 46 is the seal ring 52 for a seal end 74. In one particular embodiment, the thermal expansion characteristic of the support structure is greater than the thermal expansion characteristic of the stiffening ring to insure that the stiffening ring is in tension under normal operative conditions of the engine.
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