Bipolar output torque sensor

Details Bipolar output torque sensor Bipolar output torque sensor

2005-02-17

2008-09-16

Noori, Max (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

Reexamination Certificate

active

07424829

ABSTRACT:
A torque sensor where a first rotary shaft and a second rotary shaft are disposed on a common axial line, with the first rotary shaft and the second rotary shaft being coupled together by a torsion bar, and which detects torsional torque applied between the first rotary shaft and the second rotary shaft, the torque sensor including: magnetic field generating means that generates a magnetic field in the radial direction around the common axial line; magnetic field varying means that varies, in response to the relative rotation between the first rotary shaft and the second rotary shaft, the direction and size of detected magnetic flux flowing along the common axial line from the magnetic field generating means; and a magnetic sensor that detects the detected magnetic flux, wherein the magnetic sensor generates an output signal whose polarity changes in response to the direction of the detected magnetic flux and whose size changes in response to the size of the detected magnetic flux.

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