Oil Pressure Sensor Using Amorphous Magnetic Alloy

Paper #:
  • 920700

Published:
  • 1992-02-01
Citation:
Hase, H., Shoji, R., Wakamiya, M., Takahashi, J. et al., "Oil Pressure Sensor Using Amorphous Magnetic Alloy," SAE Technical Paper 920700, 1992, https://doi.org/10.4271/920700.
Pages:
10
Abstract:
A new oil pressure sensor has been developed utilizing iron base amorphous magnetic alloys. The sensor was composed of a cylindrical body with oil inlet, the amorphous magnetic alloy strip glued around the body and coils arranged to the alloy.The output behavior of the sensor was explained successfully by applying a rotation magnetization model. The characteristics of the developed sensor were as follows. Measurable pressure range; 0 to 20MPa. Operating temperature range; -30 to 100°C Inaccuracy; less than 2 %F.S. (F.S. means full scale) The durability tests like cyclic heating or pressure application demonstrated that the developed sensor is durable enough for automobile use.
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