Polar coordinate sensor driven by a poly-phase stator core

Details Polar coordinate sensor driven by a poly-phase stator core Polar coordinate sensor driven by a poly-phase stator core

1998-02-13

1999-08-17

Strecker, Gerard

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

32420726, 324239, 324240, 324242, G01N 2772, G01N 2790, G01R 3300, G01B 700

Patent

active

059398809

ABSTRACT:
Poly-phase induction motor-stator rotating magnetic fields are utilized as driving cores coupled to polar coordinate sensors for higher driving flux utilization and size reduction. External internal and combinational driving core structures are disclosed. An unsegmented stator having an extended longitudinal coupling portion is also disclosed.

REFERENCES:
patent: 4495466 (1985-01-01), Lakin
patent: 4503714 (1985-03-01), Winterhoff
patent: 4818935 (1989-04-01), Takahashi et al.
patent: 5399968 (1995-03-01), Sheppard et al.
patent: 5754043 (1998-05-01), Logue

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