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Class Information
Number: 73/862.334
Name: Measuring and testing > Dynamometers > Responsive to torque > During transmission to an external load > By measuring elastic deformation of a torque transmitting member > Using an electrical sensor > Inductance or reluctance sensor > Detecting magnetostrictive or magnetoelastic property > Grooved or slotted torsion shaft
Description: Subject matter wherein the torque transmitting member is a torsion shaft having a groove or a slot on the surface thereof.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8561481 Stator assembly and torque measuring device Oct. 22, 2013
8375810 Stator assembly and torque measuring device Feb. 19, 2013
8365628 Methods of making torque overlay actuators Feb. 5, 2013
8311760 Method for determining, section after section, a parameter-dependent correction value approximation course and sensor arrangement Nov. 13, 2012
8069736 Torque sensor Dec. 6, 2011
8047084 Torque-index sensor Nov. 1, 2011
7644635 Position sensor which is intended, in particular, for measuring steering column torsion Jan. 12, 2010
7500408 Torque detection device Mar. 10, 2009
7433758 Control apparatus of robot Oct. 7, 2008
7320255 Torque sensor magnetometer Jan. 22, 2008
7293472 Torque detecting apparatus Nov. 13, 2007
7222541 Measuring torsional distortion with an easily applied clip device (saw) May. 29, 2007
7174795 Integrated non-contacting torque and absolute position sensor for steering applications Feb. 13, 2007
7117755 Torque sensor for vehicle Oct. 10, 2006
7107862 Torque sensor assembling method, torque sensor and electric power steering device Sep. 19, 2006
6988422 Magnetic torque sensor including integral sub-units Jan. 24, 2006
6978685 Steering state detecting apparatus Dec. 27, 2005
6973991 Electric power steering apparatus Dec. 13, 2005
6957590 Rotational angle detecting apparatus and torque detecting apparatus Oct. 25, 2005
6948385 Rotational angle detecting apparatus and torque detecting apparatus Sep. 27, 2005
6935195 Rotational angle detecting apparatus, torque detecting apparatus and steering apparatus Aug. 30, 2005
6854343 Torque sensor for electric power-assisted steering systems Feb. 15, 2005
6846260 Automatic transmission Jan. 25, 2005
6763733 Rotational angle detecting device, torque detecting device, and steering apparatus Jul. 20, 2004
6701793 Torque sensor Mar. 9, 2004
6595073 Magnetostrictive device for torque sensor and method of manufacture of the same Jul. 22, 2003
6557425 Torque sensor May. 6, 2003
6539816 Torque detector Apr. 1, 2003
6450045 Torque sensing calibration unit Sep. 17, 2002
6443020 Steering column differential angle position sensor Sep. 3, 2002
6339964 Device for measuring the relative revolving speed between the races of a rolling contact bearing Jan. 22, 2002
6301975 Torque sensor having improved reliability against thermal expansion and axial displacement of components Oct. 16, 2001
6260422 Torque sensor and rotation restrictor for stator Jul. 17, 2001
5816599 Bicycle torque detection apparatus and bicycle including the same Oct. 6, 1998
5703298 Magnetostrictive torque sensing device Dec. 30, 1997
5585574 Shaft having a magnetostrictive torque sensor and a method for making same Dec. 17, 1996
5578767 Torque sensor Nov. 26, 1996
5531127 Optical torque sensor Jul. 2, 1996
5526704 Structure of magnetostrictive torque sensor applicable to sensor for detecting torque applied to rotatable shaft Jun. 18, 1996
5412999 Position sensing with magnetostrictive stress sensor May. 9, 1995
5390549 Measuring device for determination of rotation angle or torque of a stationary or rotating shaft Feb. 21, 1995
5313845 Strain detector May. 24, 1994
5307691 Torque transducer May. 3, 1994
4991447 Torque detecting device Feb. 12, 1991
4972728 Torque measuring device Nov. 27, 1990
4972727 Torque measure device Nov. 27, 1990
4972726 Torque measuring device Nov. 27, 1990
4964308 Magnetostrictive device for measuring torsional torque Oct. 23, 1990
4942771 Magnetostriction type torque sensor Jul. 24, 1990
4933580 Magneto-strictive torque sensor Jun. 12, 1990

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