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Solenoid coil assembly

  • US 5,181,004 A
  • Filed: 05/11/1992
  • Issued: 01/19/1993
  • Est. Priority Date: 05/11/1992
  • Status: Expired due to Term
First Claim
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1. A solenoid coil assembly comprising a bobbin containing an electromagnetic coil thereon, and a magnetically permeable conductor for conducting magnetic flux issued by said coil when energized, characterized in that said magnetically permeable conductor comprises plural magnetically permeable wires circumferentially arranged around said bobbin, each of said wires comprises side segments that have distal ends and that are joined together at proximal ends by a base segment, one of said side segments of each wire is disposed radially inwardly of said coil and the other of said side segments of each wire is disposed radially outwardly of said coil, and at least one of said side segments of each wire passes through a corresponding hole in said bobbin.

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