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Control and supply unit

  • US 9,376,894 B2
  • Filed: 11/19/2009
  • Issued: 06/28/2016
  • Est. Priority Date: 11/19/2009
  • Status: Active Grant
First Claim
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1. A control and supply unit for an actuating device of a choke, a valve, a blow-out preventer or another device applied in the field of oil and natural gas production, said unit comprising:

  • a unit housing releasably secured to the actuating device and comprising;

    a plug connection device configured to exchange of data and to supply a received voltage;

    a motor control unit inside the unit housing; and

    an auxiliary power supply inside the unit housing;

    a supply and communication assembly as a separate unit inside the unit housing, the separate supply and communication assembly comprising;

    a plurality of terminals configured to be contacted via the plug connection device and configured to;

    exchange data through a communication interface comprising a field bus; and

    supply voltage to a voltage supply connection; and

    a plurality of terminals internal to the unit housing and configured to;

    exchange data between the communication interface and the auxiliary power supply; and

    receive voltage from the voltage supply connection and supply said voltage to the auxiliary power supply.

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