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Position sensor for fuel injection apparatus

  • US 4,614,111 A
  • Filed: 02/15/1985
  • Issued: 09/30/1986
  • Est. Priority Date: 02/15/1985
  • Status: Expired due to Term
First Claim
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1. A sensor assembly for detecting the position of a fuel injection device in a fuel injection apparatus of an internal combustion engine, said sensor comprising:

  • an integrated circuit sensing element;

    a lead frame assembly having a plurality of leads of a predetermined length;

    electrically conductive means attaching contact pads on said integrated circuit sensing element to corresponding ones of said leads;

    first encapsulating means about said sensing element and a portion of said leads, said first encapsulating means forming projections above a surface of said sensing element;

    a multi-lead wire having a plurality of lead wires, each of said lead wires having an end attached to a corresponding one of said leads of said lead frame assembly; and

    second encapsulation means about said sensing element, said lead frame assembly and said end of said multi-lead wire forming said sensor assembly, a face of said sensor assembly being coterminous with peaks of said projections.

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