Automatic nulling LVDT probe

Details Automatic nulling LVDT probe Automatic nulling LVDT probe

1984-01-20

1985-10-01

Martin, Jr., William D.

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

33558, 33545, 33172E, 33147N, 73 1J, G01B 700

Patent

active

045437327

ABSTRACT:
The invention pertains to a linear variable differential transformer (LVDT) probe utilizing a core mounting upon a sensing rod axially translatable with respect to a coil. The coil is movably supported for initially aligning the core and coil in a predetermined relationship to produce a desired electrical situation, such as a null condition, and the probe utilizes alignment means for quickly initially aligning the core and coil.

REFERENCES:
patent: 2313989 (1943-03-01), Caldwell et al.
patent: 2365592 (1944-12-01), Reason
patent: 2437639 (1948-03-01), Floyd
patent: 2583791 (1952-01-01), Neff
patent: 2627119 (1953-02-01), Graham
patent: 2833046 (1958-05-01), Jeglum
patent: 2899653 (1959-08-01), Capron

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