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Electronically controllable limited slip differential having nonmagnetic casing portion

  • US 6,019,694 A
  • Filed: 02/24/1999
  • Issued: 02/01/2000
  • Est. Priority Date: 02/25/1998
  • Status: Expired due to Term
First Claim
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1. A controllable differential, comprising:

  • a rotatable casing,differential gearing disposed within said rotatable casing, said differential gearing linking said casing with an output element disposed in said rotatable casing;

    a clutch disposed within said rotatable casing, said clutch adapted to transfer torque between said rotatable casing and said output element; and

    an electromagnet arranged to generate a generally toroidal magnetic flux path encircling said electromagnet and magnetically forcing said clutch into engagement with said rotatable casing;

    said casing including an endcap, said endcap comprising a nonmagnetic portion adjacent said electromagnet, and a magnetic portion, said magnetic and nonmagnetic portions secured to each other, said flux path surrounding said nonmagnetic casing portion.

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