Axially compact torque transducer

Details Axially compact torque transducer Axially compact torque transducer

G - Physics

01

L

G01L 3/10 (2006.01) B25B 23/14 (2006.01)

Patent

CA 2107794

2107794 9218840 PCTABS00017 A torque transducer capable of installation in the housing (100) of a rotating machine, having a limited axial space therefor, has a disk shaped first member (14) fixed to a fixed portion of the housing. A disk shaped second member (16) has splines on its inside diameter which provide a sliding coupling with the first member. Splines on the outside diameter of the second member provide sliding connection to a floating portion (18) of an output drive train which coupling transfers reaction torque back from the output shaft (21), through the drive train, and into the second member. Shear webs are formed between the inner and outer diameters of the second member by removing some material to form torsion concentrator voids. Strain gages mounted on the shear webs and bridged with appropriate resistors provide an output signal in response to torsional strains imposed on the second disk shaped member. The output signal is routed to a calibrated signal processor and relay control unit.

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