Magnetic field coupling circuit and rotary transducer using same

Details Magnetic field coupling circuit and rotary transducer using same Magnetic field coupling circuit and rotary transducer using same

1987-04-06

1988-05-03

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

73773, 336120, G01L 310, H01F 2300

Patent

active

047412178

ABSTRACT:
An improved electromagnetic coupling circuit (16) is provided that features a rotor (18) carrying rotary windings (39) rotated by a rotary member (2) within an annular air gap (41) between two magnetic stator sections (34, 34') in which are disposed stator windings (40) and of which at least one of stator sections (34, 34') comprises a plurality of circumferentially-spaced wedge shaped segments (50) mounted upon a support member (27, 27') and having at least a portion of their respective facing edges in electrical contact with each other enabling low cost manufacture of large diameter stator sections.

REFERENCES:
patent: 3441886 (1969-04-01), Tveter
patent: 3717029 (1973-02-01), Tveter
patent: 3790811 (1974-02-01), Cooper et al.
patent: 3983434 (1976-09-01), Sims
patent: 4307310 (1981-12-01), Wedman et al.
patent: 4578606 (1986-03-01), Welterlin
patent: 4610168 (1986-09-01), Morgan

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