Ceramic coated differential sensor coil for use on a gun muzzle

Details Ceramic coated differential sensor coil for use on a gun muzzle Ceramic coated differential sensor coil for use on a gun muzzle

1983-06-17

1985-06-18

Krawczewicz, Stanley T.

Electricity: measuring and testing

Electrical speed measuring

Including 'event' sensing means

336177, 336232, G01P 366

Patent

active

045243239

ABSTRACT:
A differential sensor coil assembly is described which is suitable for plment at the muzzle end of a gun to measure projectile velocity, and which is more capable of resisting propellant gas and muzzle blast wear and erosion effects on the inner coil. A solid sheet coil assembly having a common inner-outer end configuration for inner and outer coil loop include a first plasma arc metal coating, a second ceramic plasma or coating and an expoxy filler means for filling the open areas between the inner and outer loop.

REFERENCES:
patent: 3419834 (1968-12-01), McKechnie et al.
patent: 4228397 (1980-10-01), Schmidt
patent: 4483190 (1984-11-01), Cornett
patent: 4486710 (1984-12-01), Schmidt

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