Electricity: measuring and testing – Magnetic – Displacement
Patent
1983-09-30
1987-03-31
Karlsen, Ernest F.
Electricity: measuring and testing
Magnetic
Displacement
34087031, G01B 714, G08C 1906, G08C 1912
Patent
active
046545891
ABSTRACT:
A referencing member capable of generating an oscillating magnetic field is placed at the inside surface of a layup mandrel. A locating member, comprising a plurality of spaced electrical coils is placed on the other side of the layup mandrel. By energizing the reference member to create the oscillating magnetic field, the effect of the field on the coils can be used to sense position of the locating member and thus determine a reference location on the outside surface of the mandrel. Thus, production components of a structure being fabricated can be properly located.
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Hutchinson Harold J.
Whetham William J.
Karlsen Ernest F.
Snow Walter E.
The Boeing Company
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