Valve adjustment unit for hydraulic proportional-response valve

Details Valve adjustment unit for hydraulic proportional-response valve Valve adjustment unit for hydraulic proportional-response valve

1980-05-19

1983-05-03

Schreyer, Stafford D.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Vacuum or hermetically sealed type

335202, 335219, 335260, 361142, H01H 328

Patent

active

043822410

ABSTRACT:
A valve adjustment unit for an electronically controlled hydraulic proportional-response valve comprising a proportional-response magnet unit, a coaxially connected electronic control unit, and an intermediate insulating spacer body surrounding the inductive coil of a displacement transducer. The magnet core of the transducer is carried by the push rod of the armature of the proportional-response magnet and arranged to move in the bore of an axial cover extension of the magnet unit housing which is open to the oil-filled armature displacement space. The transducer coil core is part of the electronic control unit, serving as a support for two circuit boards and as a cover for the control unit housing.

REFERENCES:
patent: 4114125 (1978-09-01), Komatsu

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