Electricity: measuring and testing – Magnetic – Magnetic field detection devices
Patent
1981-10-16
1984-08-28
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Magnetic field detection devices
73432A, 324262, G01R 3300, G01N 2790
Patent
active
044686200
ABSTRACT:
A system for in situ checking of turbine engine blades consists of a frame bearing on its two opposite large sides two hooks and a stop that can cooperate with the edges of the airfoil portion. Parallel to these sides, the system is provided with two elements serving to guide a carriage which is driven by means of a notched belt and two pinions, of which one is connected to a motor. The carriage supports an elastic element at the end of which is attached a shoe housing the probe. On the side of the shoe is an inclined plane cooperating with an identical inclined plane formed in one of the hooks. The motor is reversible and is controlled by end-of-stroke contacts in the carriage.
REFERENCES:
patent: 2937522 (1960-05-01), McGaughey
patent: 3537300 (1970-11-01), Rapuzzi
patent: 3570304 (1971-03-01), Mihalyak et al.
patent: 3588683 (1971-06-01), Lloyd
patent: 3739262 (1973-06-01), Seekins
patent: 4142154 (1979-02-01), Couchman
patent: 4270089 (1981-05-01), Haberlein
patent: 4304133 (1981-12-01), Feamster
FAA Reliability Symposium Report in Washington, DC, Nov. 18, 1965, pp. 1-9.
S.N.E.C.M.A.
Strecker Gerard R.
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