Measuring and testing – Dynamometers – Responsive to torque
Patent
1984-12-20
1986-05-20
Woodiel, Donald O.
Measuring and testing
Dynamometers
Responsive to torque
73DIG2, 324206, G01L 310
Patent
active
045892903
ABSTRACT:
A torque sensor for detecting variation in the drive torque of an automobile comprises an excitation coil wound on an excitation core and a detection coil wound on a detection core. The coils and cores are inserted into a chamber formed within a bearing for supporting a drive shaft and having an opening along the sliding surface of the bearing. The poles of the excitation core and the poles of the detection core are respectively disposed at prescribed clearances from the surface of the drive shaft in such manner that the poles of the detection core intersect the excitation core between its poles, whereby variation in drive torque is detected as magnetostriction.
REFERENCES:
patent: 4135391 (1979-01-01), Dahle
patent: 4479390 (1984-10-01), Meixner
patent: 4506554 (1985-03-01), Blomkvist et al.
Nonomura Yutaka
Shimaoka Keiichi
Sugiyama Jun
Takeuchi Masaharu
Takeuchi Takashi
Kabushiki Kaisha Toyota Chuo Kenkyusho
Woodiel Donald O.
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