Rolls-royce Corporation

Cassandra Cummings

Jonathan Acker

Michael Nesteroff

Mark E Whitlock

Nathanael Cooper

Grace Aker

Younes Khamliche

A centrifugal impeller shroud assembly has a dynamically moveable impeller shroud for encasing a rotatable centrifugal impeller and resolving misalignment between the impeller shroud and the rotatable centrifugal impeller. The assembly comprises a static casing, an impeller shroud, a shroud arm, and a thermal member. The shroud arm is coupled between the casing and the impeller shroud. The thermal member is coupled to the impeller shroud and has a coefficient of thermal expansion (CTE) lower than the CTE of the shroud. The shroud arm comprises a flexible portion configured to flex responsive to a differential pressure across the shroud arm.

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Indianapolis, IN, United States of America

Cassandra Cummings