Measuring and testing – Inspecting
Patent
1995-05-22
1997-04-22
Hellner, Mark
Measuring and testing
Inspecting
738665, G01M 1900
Patent
active
056231075
ABSTRACT:
An inspection device having electric motor driven magnetic wheels for magnetic attachment of the device to the cylindrical surface between the wheels of a turbine rotor. The inspection device includes a mast that supports an ultrasonic transducer and a rotary encoder.
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patent: 4843896 (1989-07-01), Napeloni et al.
patent: 5105658 (1992-04-01), Jaafar et al.
patent: 5454276 (1995-10-01), Wernicke
patent: 5481929 (1996-01-01), Kohlert et al.
"A Compendium of Robotic Equipment Used in Hazardous Environments" EPRI NP-6697, Project 2519-1, Final Report, Feb. 1990, pp. 2-28/29, 5-14/15, 5-22/23, 5-26/27, 5-30/31.
Lessard Dennis E.
Patterson, Sr. Robert W.
General Electric Co.
Hellner Mark
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