Optics: measuring and testing – Motion stopping
Patent
1983-12-22
1986-02-25
Evans, F. L.
Optics: measuring and testing
Motion stopping
358106, G01P 340
Patent
active
045726639
ABSTRACT:
A method and apparatus for monitoring the condition of blades mounted to a rotary shaft in a turbomachine by selectively illuminating a particular blade in a turbomachine. A control system for determining when to initiate a strobe light in response to a shaft position for illuminating a particular blade is described. Additionally, indexing means for automatically sequencing through the blades is further disclosed. A camera for remote monitoring of the blades using an automatic control system is further provided.
REFERENCES:
patent: 3178510 (1965-04-01), Rosin et al.
patent: 3275744 (1966-09-01), Dietrich
patent: 3841763 (1974-10-01), Lewis
patent: 3847487 (1974-11-01), Boll
patent: 4126396 (1978-11-01), Hartmann et al.
patent: 4180329 (1979-12-01), Hildebrand
patent: 4202398 (1980-05-01), Osugi
patent: 4326804 (1982-04-01), Mossey
Geary Carl H.
Greene Kenneth H.
Elliott Turbomachinery Co., Inc.
Evans F. L.
Hayter Robert P.
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