Metal working – Method of mechanical manufacture – Electrical device making
Patent
1995-03-01
1996-04-16
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
156 731, 32420715, 336 96, 336 98, H01F 4106
Patent
active
055070892
ABSTRACT:
A method of securing the bobbin assembly of a variable reluctance sensor within a hollow sensor shell having an opening in the front wall thereof to permit the magnet of the bobbin assembly to be exposed therethrough. A welding apparatus is provided for automatically ultrasonically welding the rear portion of the bobbin assembly to the open rear end portion of the shell, thereby preventing fluid flow through the rear end of the shell. The welding process forces the bobbin assembly into the sensor shell sufficiently to compress the front elastomeric seal between the front flange of the bobbin assembly and the inner surface of the front wall of the shell.
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Component Sales & Consultants, Inc.
Hall Carl E.
LandOfFree
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