System and method for power pump performance monitoring and analysis
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Accused Products
Abstract
A power pump performance analysis system includes a signal processor connected to pressure sensors for sensing pressures in the cylinder chambers and inlet and discharge piping of a single or multi-cylinder pump. Pump speed and piston position are determined by a crankshaft position sensor. Pump vibration, fluid temperatures, and power input may also be measured by sensors connected to the processor. Performance analyses, including determination of pump volumetric efficiency, mechanical efficiency, suction and discharge valve sealing delay, valve and piston seal leakage, flow induced pressure variations, acceleration induced pressure detection, hydraulic resonance detection and pulsation dampener performance may be measured and selected parameters displayed on a visual display connected to the processor directly or via a network.
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Citations
50 Claims
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1-39. -39. (canceled)
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40. A method for determining selected performance parameters of a reciprocating piston power pump, said pump including a housing providing at least one fluid chamber therein, a fluid inlet valve opening into said chamber, a fluid discharge valve for discharging fluid from said chamber, a reciprocating piston operable to displace fluid from said chamber, inlet and discharge fluid piping in fluid flow communication with said chamber, at least one pressure sensor in communication with said chamber for measuring pressure therein, at least one position sensor for sensing piston position with respect to said chamber, and a signal processor operably connected to said sensors for receiving signals from said sensors, respectively, and for determining selected performance parameters, said method comprising the steps of:
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sensing pressure variations in said chamber, determining selected positions of said piston with respect to said chamber, and determining at least one pump performance parameter based on sensed pressure and piston position and selected from a group consisting of valve sealing delay, piston seal leakage, pressures in said chamber, volumetric efficiency, pump fluid flow rate, hydraulic power produced for a pump operating cycle, and a pump pulsation dampener volume factor of said pump; and
causing at least one of recording and displaying said selected performance parameter. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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Specification