Invention Grant
- Patent Title: Multi sensor clearance probe
- Patent Title (中): 多传感器间隙探头
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Application No.: US11688354Application Date: 2007-03-20
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Publication No.: US07891938B2Publication Date: 2011-02-22
- Inventor: William Lee Herron , Robert Joseph Albers , Rafael Jose Ruiz , Samhita Dasgupta
- Applicant: William Lee Herron , Robert Joseph Albers , Rafael Jose Ruiz , Samhita Dasgupta
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agent William Scott Andes; Steven J. Rosen
- Main IPC: F01B25/26
- IPC: F01B25/26

Abstract:
A multi sensor clearance probe with at least longitudinally and transversely spaced apart first and second sensors operable to measure first and second distances respectively between the sensors and a longitudinally spaced apart rotating rotor. The sensors being operable to measure blade tip clearances between radially outer turbine blade tips and an annular stator shroud circumscribing the blade tips. The blade tips may be squealer tips and the sensors operable to measure the distances between the sensors and tops of squealer tip walls and outwardly facing walls within cavities of the squealer tips. The probe may be operably connected to a controller for sending signals to the controller indicating the first and second distances for controlling an air valve used for active clearance control. Two or more of the probe may be used to determine rotor centerline offset.
Public/Granted literature
- US20090064522A1 MULTI SENSOR CLEARANCE PROBE Public/Granted day:2009-03-12
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