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Oil Pressure Sensor Using Amorphous Magnetic Alloy
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English
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.
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Measurable pressure range; 0 to 20MPa.
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Operating temperature range; -30 to 100°C
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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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Authors
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.Also In
References
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- Yamashita I. et. al. High Oil Pressure Sensor Using Amorphous Magnetic Alloy Proceedings of the 5th Sensor symp. 1985 109 113
- Hase H. Wakamiya M. Torque sensor Technical Digest of the 8th Sensor symposium 1989 279 282
- Savage H.T. Spano M. T. Theory and application of highly magnetoelastic Metglas 2605SC J. Appl. Phys. 53 11 November 1982
- Livingston J.D. Stresses and Magnetic Domains in Amorphous Metal Ribbons Phys. Stat. Sol. 56 637 1979
- Hase H. Wakamiya M. The Stress-Magnetic Properties of Amorphous Magnetic Alloy IEEE Translational Journal on Magnetics in Japan 5 8 August 1990
- Shoji R. et el. High pressure sensor using amorphous magnetic alloy Technical Digest of the 8th Sensor Symposium 1989 29 32