Fluid operated position regulator

Details Fluid operated position regulator Fluid operated position regulator

2006-08-01

2008-03-18

Bastianelli, John (Department: 3753)

Motors: expansible chamber type

Working member position feedback to motive fluid control

Valve locking means

C137S625610, C251S129040, C251S129060

Reexamination Certificate

active

07343845

ABSTRACT:
A fluid operated position regulator comprises a servo means, arranged in a regulator housing and by which a supply connection, a venting connection and a power connection can be placed in circuit in an adjustable manner. To predetermine or set its position the servo means possesses two mutually oppositely orientated fluid actuating faces of equal size, which respectively delimit a control chamber. The two control chambers are connected by way of an intermediately placed choke means with a common control pressure connection. Downstream from the two choke means each control chamber is connected with a venting connection. A control valve means can control the two venting connections and in particular simultaneously close them.

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