Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1990-10-10
1992-06-23
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
415195, 415117, 415178, F02C 300
Patent
active
051232413
ABSTRACT:
A system for deforming a turbine stator housing is disclosed which maintains a substantially uniform radial clearance between a stator and a rotor under all operating conditions of a turbojet engine. The system deforms the turbine stator housing so that its longitudinal axis is substantially conincident with the longitudinal axis of the rotor, particularly under transient conditions. Such deformation results in the attainment of equal radial clearance between the rotor and the stator around the periphery of the rotor. The deformation is achieved by heating or cooling a selected portion of the stator housing such that the temperature distribution, measured around a periphery of the stator housing, is non-uniform, such non-uniform temperature distribution causing the stator to radially deform such that is longitudinal axis is coincident with that of the rotor.
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Bertsch Richard A.
Kocharov Michael I.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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