Patent ID: 6743371
Filing Date: 2004-06-01
Classification: H01F

Abstract:
A magneto sensitive fluid composition having electrical switching and magnetorheological characteristics in the presence of an external magnetic field comprising:(a) 10-20% by weight of castor oil as a carrier fluid; and (b) 80-90% by weight of a mixture of magnetic sensitive particles and conductive particles; wherein, the said mixture of the said magnetic sensitive particles and the said conductive particles are obtained by mixing 50-90% by weight of the said magnetic sensitive particles and 10-50% by weight of the said conductive particles; wherein, the said magnetic sensitive particles are obtained by blending 85-98% by weight of high purity iron particles and 2-15% by weight of ferrite; wherein, the said mixture of the said magnetic sensitive particles and the said conductive particles are coated with magnetic sensitive particle stabilizer and said carrier fluid.