Variable reluctance absolute angular position sensor with sector

Details Variable reluctance absolute angular position sensor with sector Variable reluctance absolute angular position sensor with sector

1992-11-24

1995-06-27

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

Displacement

32420725, G01B 730

Patent

active

054282900

ABSTRACT:
A variable reluctance absolute angular position sensor, having at least one stator detector (2). The dector includes: at least one stationary magnetic circuit (4, 4', 4") of ferromagnetic material provided with a length of annular housing (5, 5', 5"), and extending over an angular sector .alpha.; and at least one annular winding (6) housed in part in the annular housing; and at least one rotor unit (3) comprising at least one annular segment (7) of ferromagnetic material extending over an angular sector .beta. of no more than 360.degree.-.alpha., and situated facing the winding (6) and being rotated coaxially with the winding (6) while facing the winding in such a manner that magnetic flux passes radially between the stator detector (2) and the rotor unit (3).

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Patent Abstracts of Japan; "Rotor Magnetic Circuit of Device For Measuring elative Displacement Angle"; vol. 7, No. 266 (P-239) (1411) 26 Nov. 1983 & JP-A-58 147 609 (MAEKAWA SEISAKUSHO KK) 2 Sep. 1983.

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