Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Reexamination Certificate
2006-01-16
2011-11-01
Fristoe, Jr., John (Department: 3753)
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
C251S129040
Reexamination Certificate
active
08047501
ABSTRACT:
The invention relates to a device for controlling the switching movement of a valve according to the preamble of claim1. It is the object of the present invention to design a control device in this regard such that it can be largely prefabricated and can be very easily converted to different operating voltages or data protocols, that the stock inventory of these control devices can be reduced and that economical quantities can be achieved more easily than before. This is achieved in that an internal control unit (2) of the control device (1) comprises a standardized operating voltage (UB), that also the pilot valve(s) (5) operates (operate) with the standardized operating voltage, that an adapting module (I; I*) is accommodated in the control device (1), which is connected with the internal control unit (2) through an internal interface (B), that the respective signal structure of the control unit (2) and of the adapting module (I; I*) are equal at the internal interface (B), and that the internal control unit (2) is supplied with voltage through the adapting module (I; I*).
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Fristoe, Jr. John
Merek & Blackmon & Voorhees, LLC
Tietjen Marina
Tuchenhagen GmbH
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