Variable differential transformer apparatus

Details Variable differential transformer apparatus Variable differential transformer apparatus

1977-10-14

1979-04-10

Kozma, Thomas J.

Inductor devices

With condition-responsive inductance adjusting means

336134, 336136, H01F 2106

Patent

active

041491335

ABSTRACT:
A linear variable differential transformer includes a primary winding and two secondary windings in spaced stacked relation on a core unit. The core unit includes similar cup-shaped pot cores mounted in opposed opening relationship and having abutting cylindrical outer walls and spaced cylindrical inner walls define an annular chamber within which the windings are located. A core axis located within the central air gap between the inner walls and terminates in close relation to the windings. A movable stem couples the core to a pressure diaphragm transducer to locate the core in accordance with pressure.

REFERENCES:
patent: 2494579 (1950-11-01), Pimlott et al.
patent: 2921279 (1960-01-01), Cosby et al.
patent: 2922971 (1960-01-01), Jeglum
patent: 3092995 (1963-06-01), Glerum
patent: 3221281 (1965-11-01), Roeger
patent: 3308411 (1967-03-01), Roshala
patent: 3376533 (1968-04-01), Chass
patent: 3480896 (1969-11-01), Neuman
patent: 3613514 (1971-10-01), Melchior

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