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US 8,894,358 B2Granted
Clearance control arrangement
AssigneeROLLS-ROYCE plc
InventorMarko Bacic
Life of this patent
Estimating the term…
Abstract
A clearance control arrangement includes first and second components defining a clearance therebetween. The first component includes a surface portion having at least a layer of material that changes thickness when actuated. The clearance control arrangement also includes an actuator to actuate the layer of material.
Claims18
A clearance control arrangement comprising:
- first and second components defining a clearance therebetween;
- the first component comprising a surface portion having at least a layer of piezoelectric material that changes thickness when actuated;
- and
- an actuator to actuate the layer of piezoelectric material.
1 more element
Dependencies are inferred from the claim text.