Control and supply unit
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 a control device applied in the field of oil and natural gas production, the unit comprising:
- a vibration detection means to detect vibrations that are internal to the actuating device or the control device, wherein the vibrations in the actuating device or the control device are generated by a condition of the actuating device or the control device that reacts to a conveyed flow;
wherein the control and supply unit is configured to operate the actuating device in direct response to an evaluation that indicates at least one of an amplitude or frequency component of the detected vibrations is above a predetermined threshold, wherein the predetermined threshold is based on the condition.
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Abstract
A control and supply unit for an actuating device of a choke, a valve, a blow-out preventer or some other device applied in the field of oil and natural gas production. The control and supply unit includes a vibration detection means to detect vibrations caused by a conveyed flow. The conveyed flow can be controlled by the actuating device.
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Citations
21 Claims
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1. A control and supply unit for an actuating device of a choke, a valve, a blow-out preventer or a control device applied in the field of oil and natural gas production, the unit comprising:
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a vibration detection means to detect vibrations that are internal to the actuating device or the control device, wherein the vibrations in the actuating device or the control device are generated by a condition of the actuating device or the control device that reacts to a conveyed flow; wherein the control and supply unit is configured to operate the actuating device in direct response to an evaluation that indicates at least one of an amplitude or frequency component of the detected vibrations is above a predetermined threshold, wherein the predetermined threshold is based on the condition.
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2. A control and supply unit for an actuating device of a choke, a valve, a blow-out preventer or a control device applied in the field of oil and natural gas production, the unit comprising:
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a vibration sensor to detect vibrations that are internal to the actuating device or the control device, wherein the vibrations in the actuating device or the control device are generated by a condition of the actuating device or the control device that reacts to a conveyed flow; a vibration evaluation unit coupled to the vibration sensor to produce an indication of at least one of an amplitude or a frequency component based on the internal flow vibrations detected by the vibration sensor; and a motor control unit to control the actuating device; wherein the control and supply unit is configured to cause the motor control unit to operate the actuating device in direct response to an evaluation that indicates at least one of the amplitude or the frequency component of the detected vibrations is above a predetermined threshold, wherein the predetermined threshold is based on the condition. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification