Device for positioning an adjusting member

Details Device for positioning an adjusting member Device for positioning an adjusting member

1988-01-12

1990-02-27

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

91 47, F16K 3106

Patent

active

049039407

ABSTRACT:
Device for positioning an adjusting member which includes a pneumatic adjusting cylinder and an electromagnetically actuated valve operating in a low-wattage range for controlling aeration and venting, respectively, of the adjusting cylinder, comprising an electromagnetic system as well as an armature plate serving simultaneously, as a valve member for venting the cylinder, the armature plate being displaceable from a position thereof at which it defines a maximum air gap with the electromagnetic system to a position thereof at which it defines a zero air gap with the electromagnetic system in an excited condition of said electromagnetic system, said electromagnetic system in said excited condition thereof closing the cylinder against venting, and in the unexcited condition thereof opening the cylinder for venting.

REFERENCES:
patent: 2947284 (1960-08-01), Nicholson
patent: 3410519 (1968-11-01), Evans
patent: 3430536 (1969-03-01), Oelrich
patent: 4361073 (1982-11-01), Oelrich et al.
German reference "Olhydraulik und Pneumatik", 29, 1985, No. 8, pp. 604-607, FIG. 9 pertaining to text.
German reference "Technische Rundschaus", 48/85, pp. 28-40, FIG. 2 pertaining to text.
German reference "Olhydraulik und Pneumatik", 22, 1978, No. 22, pp. 435-438, FIG. 1b.

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