Reciprocating compressor and methods for monitoring operation of same
First Claim
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1. A condition monitoring system for use with a reciprocating device, the condition monitoring system comprising:
- at least one pressure sensor configured to sense a pressure within the reciprocating device;
at least one vibration sensor configured to sense a vibration of the reciprocating device; and
a protection system communicatively coupled to the pressure sensor and the vibration sensor, the protection system configured to calculate a stiffness value of the reciprocating device based on the sensed pressure within the reciprocating device and the sensed vibration of the reciprocating device.
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Abstract
A condition monitoring system for use with a reciprocating device. The condition monitoring system includes at least one pressure sensor that is configured to sense a pressure within the reciprocating device. At least one vibration sensor is configured to sense a vibration of the reciprocating device. A protection system is communicatively coupled to the pressure sensor and the vibration sensor. The protection system is configured to calculate a stiffness value of the reciprocating device based on the sensed pressure within the reciprocating device and the sensed vibration of the reciprocating device.
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Citations
20 Claims
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1. A condition monitoring system for use with a reciprocating device, the condition monitoring system comprising:
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at least one pressure sensor configured to sense a pressure within the reciprocating device; at least one vibration sensor configured to sense a vibration of the reciprocating device; and a protection system communicatively coupled to the pressure sensor and the vibration sensor, the protection system configured to calculate a stiffness value of the reciprocating device based on the sensed pressure within the reciprocating device and the sensed vibration of the reciprocating device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A reciprocating compressor comprising:
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a compressor frame; a crank shaft positioned within the compressor frame; a cylinder assembly coupled to the compressor frame and to the crank shaft, the cylinder assembly extending outwardly from the compressor frame along a centerline axis; at least one pressure sensor configured to sense a pressure within the reciprocating compressor; at least one vibration sensor configured to sense a vibration of the reciprocating compressor; and a protection system communicatively coupled to the pressure sensor and the vibration sensor, the protection system configured to calculate a stiffness value of the reciprocating compressor based on the sensed pressure within the reciprocating compressor and the sensed vibration of the reciprocating compressor. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method for monitoring a condition of a reciprocating compressor, the reciprocating compressor includes a cylinder assembly coupled to a frame, the method comprising:
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transmitting, from a first sensor to a protection system, a first monitoring signal indicative of a pressure within the cylinder assembly of the reciprocating compressor; transmitting, from at least a second sensor to the protection system, at least a second monitoring signal indicative of a vibration of the cylinder assembly; and calculating, by the protection system, a stiffness value of the reciprocating compressor based at least in part on the first signal and the second signal, wherein the protection system is communicatively coupled to the first and second sensors. - View Dependent Claims (17, 18, 19, 20)
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Specification