Method and system for an instrumented piston assembly
First Claim
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1. A piston head assembly comprising:
- a piston head body including an interior cavity offset from a longitudinal axis of the piston head body;
at least one sensor positioned within the piston head body and coupled to a battery configured to supply the at least one sensor with electrical energy in response to the piston head body being not in motion; and
an electrical power source positioned within the interior cavity of the piston head body, the electrical power source including a linear power generator and a phase reference sensor, the linear power generator coupled to the at least one sensor and configured to provide electrical energy to the at least one sensor in response to the piston head body being in motion, and the phase reference sensor configured to facilitate synchronizing measured parameter values with piston head body motion.
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Abstract
A system and method of monitoring operating parameters of a reciprocating compressor are provided. The system includes a piston head assembly including a piston head body, at least one sensor positioned within the piston head body, and an electrical power source positioned within the piston head body. The electrical power source is configured to provide electrical energy to the at least one sensor.
16 Citations
20 Claims
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1. A piston head assembly comprising:
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a piston head body including an interior cavity offset from a longitudinal axis of the piston head body; at least one sensor positioned within the piston head body and coupled to a battery configured to supply the at least one sensor with electrical energy in response to the piston head body being not in motion; and an electrical power source positioned within the interior cavity of the piston head body, the electrical power source including a linear power generator and a phase reference sensor, the linear power generator coupled to the at least one sensor and configured to provide electrical energy to the at least one sensor in response to the piston head body being in motion, and the phase reference sensor configured to facilitate synchronizing measured parameter values with piston head body motion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A control system for a reciprocating compressor comprising:
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a plurality of sensors positioned within a piston head body of said reciprocating compressor, the piston head body including an interior cavity offset from a longitudinal axis of the piston head body, the plurality of sensors coupled to a battery configured to supply electrical power to the plurality of sensors in response to the piston head body being not in motion; and a power supply including a linear alternator and a phase reference sensor positioned within the interior cavity of said piston head body, the linear alternator configured to generate electrical power using forces acting on said piston head body, said power supply electrically coupled to said plurality of sensors, and the phase reference sensor configured to facilitate synchronizing measured parameter values with piston head body motion. - View Dependent Claims (16, 17, 18)
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19. A method of monitoring operating parameters of a reciprocating compressor, said method comprising:
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positioning one or more sensors within a piston head body of the reciprocating compressor, the piston head body including an interior cavity offset from a longitudinal axis of the piston head body and configured to translate axially along a cylinder bore, the one or more sensors configured to measure operating parameters of the piston head body, the one or more sensors configured to measure operating parameters adjacent the piston head body; wirelessly communicating signals representing the measured operating parameters from onboard the piston head body to a receiver positioned offboard the piston head body; supplying electrical power from a battery to the one or more sensors in response to the piston head body being not in motion; and generating the electrical power onboard the piston head body using forces acting on the piston head body and a power supply positioned within the interior cavity, the power supply including a linear power generator and a phase reference sensor, the linear power generator coupled to the one or more sensors and configured to provide the electrical power to the one or more sensors in response to the piston head body being in motion, and the phase reference sensor configured to facilitate synchronizing measured parameter values with piston head body motion. - View Dependent Claims (20)
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Specification