339results about "Pump parameter" patented technology

A pumping system, comprising: a pump fluid end comprising a plurality of pump chambers, each pump chamber comprising a bore having a reciprocatable plunger disposed therein, a suction valve, and a discharge valve; a prime mover mechanically coupled to the fluid end [by a drivetrain] and configured to reciprocate the plungers; and a controller communicatively coupled to the prime mover, the fluid end, or both and configured to alert a user re a pump malfunction, initiate corrective action of the pump malfunction, or both in response to: (a) an indication of torque reversal during operation of the pumping system, (b) an indication of negative flow rate from the pump during operation of the pumping system, (c) an indication of leakage of (i) a single discharge valve in a 3-plunger pump or (ii) discharge valves associated with two plungers in adjacent firing order, or (d) any combination of (a)-(c).

What is suggested is a micromembrane pumping device for pumping a fluid, having: a pump chamber to which an inlet valve, an outlet valve, and a membrane device for varying a volume of the pump chamber are associated, wherein the membrane device has a plate-shaped actuator for deforming the membrane device; and influencing means for influencing the plate-shaped actuator and the volume of the pump chamber; wherein the membrane device has a plate-shaped membrane body limiting the pump chamber; wherein the plate-shaped actuator is arranged on a side of the plate-shaped membrane body facing away from the pump chamber; wherein the plate-shaped actuator is mounted to and electrically insulated from the plate-shaped membrane body by an electrically insulating glue layer; wherein at least one embedded portion of a support body at or in which a deformation sensor for detecting a deformation of the membrane device is arranged, is arranged within the glue layer to detect the volume of the pump chamber; wherein the influencing means, the plate-shaped actuator and the deformation sensor form a closed-loop control circuit for regulating a volume flow.

A pump can include a pump head, a body housing, a motor disposed within the body housing, and a motor shaft extending from the motor. The pump head can include a sensor, at least a first interface portion, and at least a first elongate conductor electrically connecting the sensor to the at least a first interface portion. The body housing can include at least a second interface portion and at least a second elongate conductor electrically connecting the at least a second interface portion to pump electronics. The sensor can be configured to sense when the at least a first interface portion does not contact the at least a second interface portion. When the at least a first interface portion does not contact the at least a second interface portion and the pump head is removed from the body housing, the pump head can be pivotable relative the motor shaft such that an orientation of the pump head can be changed with respect to the body housing.

A system and method for operating a fleet of pumps for a turbine driven fracturing pump system used in hydraulic fracturing is disclosed. A method of operating a fleet of pumps associated with a hydraulic fracturing system includes receiving a demand Hydraulic Horse Power (HHP) signal. The demand HHP signal may include the Horse Power (HP) required for the hydraulic fracturing system to operate and may include consideration for frictional and other losses. The method further includes operating all available pump units at a percentage of rating below Maximum Continuous Power (MCP) level, based on the demand HHP signal. Furthermore, the method may include receiving a signal for loss of power from one or more pump units. The method further includes operating one or more units at MCP level and operating one or more units at Maximum Intermittent Power (MIP) level to meet the demand HHP signal.

The invention provides a compressor intelligent control method and system based on dynamic pressure relief and a storage medium, and the method comprises the steps: firstly, capturing the multi-physical field coupling characteristics of a compressor in a shutdown state in real time by deploying a pressure, temperature, vibration and current four-dimensional sensing network; secondly, based on a preset pressure entropy model, fusing the pressure fluctuation intensity, the temperature anomaly index, the high-frequency vibration factor and the current attenuation coefficient to quantitatively evaluate a pressure entropy value, and triggering a three-stage pressure relief mode based on the pressure entropy value; then, based on the deviation between the cavity pressure and the target pressure, pressure relief parameters are dynamically adjusted, and stable pressure transition is achieved; and finally, collecting full-link data of pressure relief operation, and dynamically optimizing pressure entropy model parameters based on reinforcement learning, so that the system continuously adapts to equipment aging and working condition changes. Through dynamic closed-loop adjustment, pressure relief energy consumption waste and equipment loss are reduced, and the stability of the pressure relief process is improved.

A system for monitoring a piece of hydraulic fracturing equipment such as a positive displacement pump. The system includes a plurality of sensors configured to detect conditions of the hydraulic fracturing pump and a processor that is communicatively coupled to the plurality of sensors and configured to analyze data received from the plurality of sensors. The processor is also configured to predict faults in the hydraulic fracturing pump based on the data analysis. The system also includes a communication interface that is configured for transmitting predicted fault data to one or more devices.

A dispensing pump having a calibration system including a base including an upper base portion having a first end for mounting a motor and a second end and a lower base portion for mounting a pump on a first end and a second end. A hinge pivotally connects the second end of the upper base portion and the second end of the lower base portion. A linear actuator is mounted on the base and includes a drive rod having a coupler secured to an end thereof. The coupler joins the drive rod to a first end of a connecting member. A second end of the connecting member is secured to the lower base portion. An attachment plate attaches the motor to the first end of the upper base portion. The attachment plate extends outwardly from the motor for mounting the linear actuator. A proximity sensor is secured to the base upper position. A flag is secured to the drive rod coupler, wherein the flag moves directly with the drive rod. The flag includes a body and a calibration element projecting therefrom. The calibration element is positionally adjustable relative to the flag body. The calibration element is adapted to activate the proximity sensor when the linear drive is in a home position. The home position is adjustable upon adjustment of the calibration member. An actuation of the linear actuator drives the connecting member causing the lower base portion and upper base portion to pivot with respect to each other about the hinge, thereby changing an angle between the lower base portion and the upper base portion.

An electric pump system and method of operating the same involves pumping a fluid through a fluid passageway defined in a mechanical pump from a pump inlet to a hollow shaft of a motor, through the hollow shaft to an internal motor cavity defined by a housing of the motor, and through another fluid passageway defined in the motor housing and mechanical pump that leads to a pump outlet. The system and method further involve pumping the fluid through another fluid passageway defined in the mechanical pump from yet another pump inlet to the pump outlet. The temperature of fluid exiting the hollow shaft can be assessed and used by an electronic control unit (ECU) of the electric pump system to control the same. The electric pump system can be part of a cooling and lubrication system for an electric vehicle transmission, gearbox, differential or transfer case, for example.

A compressor for a commercial vehicle comprises:a plurality of cylinders, wherein each cylinder accommodates a reciprocating piston, wherein the reciprocating piston is driven by a crankshaft, anda plurality of cooling means, arranged at a cylinder head region of the cylinder, wherein one specific cooling means is assigned to one cylinder respectively.The compressor assembly comprises a sensor network, wherein the sensor network comprises a plurality of temperature sensitive switches, whereineach temperature sensitive switch is assigned to a cylinder.

A pump includes a power end and a fluid end coupled to the power end. The power end includes a plunger, and the fluid end includes a crossbore in selective fluid communication with inlet and outlet bores. A suction valve controls fluid communication between the inlet bore and the crossbore, and a discharge valve controls fluid communication between the outlet bore and the crossbore. An actuation device is used to move the discharge valve between an open position and a closed position. A position sensor measures a position of the plunger. A pressure sensor measures a pressure of the crossbore, the inlet bore, or the outlet bore. A controller operates the discharge valve based on data from at least one of the position sensor or the pressure sensor.

The present disclosure relates to a mobile testing and / or calibration device and a method for testing and / or calibrating a hydraulic and / or electrical component at a location where the hydraulic and / or electrical component is used and / or under operating conditions of the hydraulic and / or electrical component. The mobile testing and / or calibration device comprises at least one first sensor unit for acquiring performance data of a hydraulic and / or electrical component to be tested and / or calibrated. Furthermore, at least one second sensor unit is provided for acquiring at least one testing and / or calibration parameter, wherein the testing and / or calibration parameter includes current parameters of the location and / or the operating conditions.In addition, at least one supply and / or control unit is provided for providing drive means and / or control parameters for the operation of the hydraulic and / or electrical component, and a computing unit for the automated testing and / or calibration of the hydraulic component during the operation of the hydraulic and / or electrical component based on the recorded performance data and the recorded test and / or calibration parameters.

A pump system can include a tube disposed about a rotor. The rotor can be configured to drive fluid through the tube as the rotor rotates. The tube can be replaceable when the tube fails. The pump system can include a processor configured to determine a predicted number of revolutions of the rotor before the tube fails based on a number n of past tube failure detection (TFD) events. Each past TFD event can have a corresponding nth TFD value based at least in part on the number of revolutions the rotor had rotated before the tube failed. When n=0, the predicted number of revolutions can be set to a putative value, and when n=1, the predicted number of revolutions can be based at least in part on the first TFD value and the putative value.

A method for the autonomous control of a surface unit of an oil well or gas well down-hole rod pump to provide for a reduction of gas interference and an increase in production, the method providing for autonomous adjustment of one or more pump operation characteristics, including one or more of dwell time, polished rod travel, compression ratio, and pump cycle rate, and the method including autonomous determination of a weight transfer position, autonomous determination of a rate of weight transfer, determination of a stretch factor of the polished rod, and autonomous adjustment of one or more of the pump operation characteristics for successive pump cycles of the down-hole pump installation based upon the weight transfer position, the rate of weight transfer, and the stretch factor.

Devices and methods for operating a diaphragm compressor. Embodiments of the present disclosure comprise an oil piston being driven to pressurize work oil against the diaphragm of the compressor. In embodiments, an injection pump provides a supplemental flow of work oil in the region of pressurized fluid, and such pump may be part of an actively controlled system. In embodiments, a pressure relief valve vents an overpump flow of work oil, and such valve may be variable. Embodiments provide feedback and control mechanisms, including control of the injection pump and the relief valve.

A pump includes a power end and a fluid end coupled to the power end. The power end includes a plunger, and the fluid end includes a crossbore in selective fluid communication with inlet and outlet bores. A suction valve controls fluid communication between the inlet bore and the crossbore, and a discharge valve controls fluid communication between the outlet bore and the crossbore. An actuation device is used to move the discharge valve between an open position and a closed position. A position sensor measures a position of the plunger. A pressure sensor measures a pressure of the crossbore, the inlet bore, or the outlet bore. A controller operates the discharge valve based on data from at least one of the position sensor or the pressure sensor.

A pump includes a power end (106a) and a fluid end (104a) coupled to the power end. The power end includes a plunger (208), and the fluid end includes a crossbore (244) in selective fluid communication with inlet and outlet bores (242, 243). A suction valve (290) controls fluid communication between the inlet bore and the crossbore, and a discharge valve (292) controls fluid communication between the outlet bore and the crossbore. An actuation device is used to move the discharge valve between an open position and a closed position. A position sensor measures a position of the plunger. A pressure sensor (441-443) measures a pressure of the crossbore, the inlet bore, or the outlet bore. A controller (420) operates the discharge valve based on data from at least one of the position sensor or the pressure sensor.

A method for controlling a first reference temperature in a device (1) for compressing gas, the device (1) comprising: - an oil-injected element (2) for compressing the gas; - an oil injection pipe network (6) for injecting oil into the oil-injected element (2), comprising: - an apportioning means (8) for apportioning the oil into a first part and into a second part; - an oil cooler (10) cooled by a fan (9), for cooling the first part; and - a bypass (11) for diverting the second part past the oil cooler (10), wherein firstly an apportioning proportion of the first part is controlled to a required apportioning proportion, and wherein subsequently a speed of the fan (9) is controlled to a required speed optionally on the basis of the apportioning proportion, characterized in that the apportioning proportion is controlled by a control unit (15) on the basis of a non-fuzzy logic algorithm.

The present invention discloses a method for vibration control of a variable displacement compressor of a refrigeration system, the method comprising the following steps: receiving a request to change the rotational speed of the variable displacement compressor from a current rotational speed to a reference rotational speed; verifying whether the reference rotational speed requires minimization of compressor vibration; defining a reference speed range that includes the reference speed; defining a maximum rotational speed within the rotational speed range and a minimum rotational speed within the rotational speed range; comparing a reference rotation speed with the current rotation speed; changing the rotational speed of the compressor; measuring compressor vibration within a reference speed range; specifying the minimum and maximum vibration speeds; defining a vibration difference; setting a vibration difference criterion; comparing the vibration difference with the vibration difference reference; Defining the final operating speed of the compressor.

A method for controlling a first reference temperature in an apparatus (1) for compressing a gas, the apparatus (1) comprising: an oil-injected element (2) for compressing the gas; and an oil injection pipe network (6) for injecting oil into the oil-injected element (2); the oil injection pipe network (6) comprising distribution means (8) for distributing oil to a first part and a second part; an oil cooler (10) cooled by a fan (9) for cooling the first part; and a bypass (11) for bypassing the second part over the oil cooler (10); wherein first a distribution rate of the first part is controlled to a required distribution rate, and then a speed of the fan (9) is controlled to a required speed, optionally based on the distribution rate, the distribution rate being controlled by a control unit (15) based on a non-fuzzy logic algorithm.

A dispensing pump includes a linear actuator mounted on a base. The linear actuator includes a drive rod having a coupler. The coupler joins the drive rod to a first end of a connecting member. A second end of the connecting member is secured to a lower base portion of the base. An attachment plate attaches a motor to a first end of an upper base portion of the base. A flag is secured to the drive rod coupler, wherein the flag moves directly with the drive rod. The flag includes a body and a calibration element. The calibration element is positionally adjustable relative to the flag body. The calibration element is adapted to activate a proximity sensor when the linear drive is in a home position. The home position is adjustable upon adjustment of the calibration member.

The present invention relates to a method for detecting and analysing a vibration or noise signal generated by a running compressor, wherein the vibration or noise signal from the running compressor originates from collisions between a compressor element and a housing of the compressor, the method comprising the steps of detecting the vibration or noise signal in the time domain; translating at least part of the detected vibration or noise signal to the frequency domain, wherein the frequency domain comprises a running frequency of the compressor; calculating a signal power value by summing selected signal values in the frequency domain; calculating a harmonics power value by summing selected signal values of one or more selected harmonics in the frequency domain; calculating a harmonics-to-signal ratio by dividing the harmonics power value with the signal power value, and stopping the compressor if the harmonics-to-signal ratio exceeds a ratio of the running frequency harmonics of the compressor by a predetermined amount a predetermined number of times. The present invention further relates to the compressor assembly and a signal processor for performing the method.

The invention relates to a method for monitoring the dosage of at least one liquid within a dosing station (1), wherein the dosing station (1) comprises: a material supply (2) of the liquid to be dosed, a supply pump (3), a dosing pump (4) and a delivery line (5) extending between the supply pump (3) and the dosing pump (4), wherein the supply pump (3) is suitable for pumping the liquid from the material supply (2) through the delivery line (5) to the dosing pump (4) and wherein the dosing pump (4) is configured to dose a predetermined quantity of liquid, wherein during a dosing process a delivery rate of the supply pump (3) is recorded and the recorded delivery rate of the supply pump (3) is compared with a predetermined dosing rate of the dosing pump (4).

Disclosed herein are embodiments of a method for determining operational information of a metering pump, the metering pump comprising a dosing chamber, a displacement member and a drive motor for driving the displacement member, wherein the method comprises: receiving a plurality of detected values of an indicator quantity indicative of a strength of activation of the displacement member at respective positions of the displacement member during operation of the metering pump; computing the operational information from a machine-learning model trained to output said operational information responsive to receiving a plurality of input values derived from detected values of the indicator quantity.

A gas compressor includes a gas compressor machine body, a motor to drive the body, a temperature sensor (108, 109) for measuring the body's temperature, and a cooling fan (106) on a shaft (103) transmitting power to the body. A control unit (110) manages the gas compressor. This control unit (110) adjusts a temperature threshold value in response to the frequency of the input to the motor. It issues a notification if the temperature measured by the sensor (108, 109) surpasses this threshold. Notably, the temperature threshold value set when the motor input frequency is high is equal to or lower than the threshold value set when the motor input frequency is low.

Provided compressor control module, CCM, adapted to control an output of a variable displacement swash plate compressor, it is an object of the present invention to improve the efficiency of the compressor. The object is solved by: either directly calculate, or receive from an external source, for example the HVAC control unit, a signal indicating the desired or required output from the variable displacement swash plate compressor (30), also referred to as control target or set value, for example, but not limited to, a suction pressure, a piston stroke length, an evaporator outlet air temperature, a refrigerant mass flow and / or a work done on fluid; receive the current / actual value of the value; receive or calculate the current rotation speed and angle, with respect to the rotation axis, of the swash plate, or the current piston stroke length and its reciprocating frequency, respectively, (48) of the variable displacement swash plate compressor; receive or calculate optionally additional current values of the compressor, the air conditioning system or from the vehicle, like the discharge pressure, the crank case pressure, the delta pressure between suction pressure and crank case pressure, the evaporator outlet air temperature, the engine speed, but not limited to; determine the difference between the desired or required output from the variable displacement swash plate compressor and the current output of the variable displacement swash plate compressor; and output a signal to the valve driving unit which will adjust the angle of the swash plate (48) such that the actual output of the variable displacement swash plate compressor becomes closer to, or the same as, the desired or required output as obtained in step a), also taking into account the additional values received or calculated in c) and d).

A system includes a fluid pump and a first pressure sensor disposed on or near an inlet of the fluid pump. The system further includes a second pressure sensor disposed on or near an outlet of the fluid pump and a control system. The control system includes a processor configured to receive a first signal from the first pressure sensor. The processor is further configured to receive a second signal from the second pressure sensor, and to derive a pump slip measure based on the first signal and the second signal.

A connecting system for a plunger pump device, comprising: a connecting member, comprising a shaft, and a first meshing portion and a second meshing portion provided at two opposite ends of the shaft; a reduction gearbox interface comprising a third meshing portion; and a plunger pump device interface comprising a fourth meshing portion. The first meshing portion meshes with the third meshing portion to form a first meshing pair, and the second meshing portion meshes with the fourth meshing portion to form a second meshing pair. The first meshing portion and the third meshing portion are respectively internal teeth and external teeth of the first meshing pair, or respectively external teeth and internal teeth of the first meshing pair. The second meshing portion and the fourth meshing portion are respectively internal teeth and external teeth of the second meshing pair, or respectively external teeth and internal teeth of the second meshing pair. The external teeth or internal teeth of the first meshing pair are designed as crowned teeth, and / or the external teeth or internal teeth of the second meshing pair are designed as crowned teeth. Other external teeth and internal teeth of the first meshing pair and the second meshing pair are designed as straight teeth. The present invention can reduce the tooth surface wear during operation.

Volumetric variable displacement machine interacting with an operating fluid, said machine being a motor with axial pistons or a pump with axial pistons and comprising: i) means (2) interacting with the operating fluid; ii) a housing casing (3) housing means (2) interacting with the operating fluid; iii) actuating means (4) for regulating a displacement of the machine; iv) a control unit (5) for controlling the actuating means (4); v) a detection sensor (6) for detecting a parameter associated with the adopted displacement of the machine and operationally connected to the control unit (5); vi) a protective casing (7) protecting the control unit (5) that is integrated into or physically constrained on said housing casing (3). The detection sensor (6) is placed inside the protective casing (7).

The invention relates to a method for operating a construction and / or thick matter pump (1) for conveying construction and / or thick matter (DS), - wherein the construction and / or thick matter pump (1) comprises: - at least one conveying cylinder (2a, 2b), wherein the conveying cylinder (2a, 2b) is designed to receive and discharge construction and / or thick matter (DS), and - at least one conveying piston (3a, 3b), wherein the conveying piston (3a, 3b) is movably arranged in the conveying cylinder (2a, 2b) for sucking construction and / or thick matter (DS) into the conveying cylinder (2a, 2b) and for displacing sucked-in construction and / or thick matter (DS) out of the conveying cylinder (2a, 2b), and - wherein the method comprises the steps of: - conveying construction and / or thick matter (DS) by moving the conveying piston (3a, 3b) to Suction and displacement of building and / or thick material (DS), - Detection of at least one position variable (PGa, PGb) during movement, whereby the position variable (PGa,PGb) is indicative of a position (POa, POb) of the delivery piston (3a, 3b) along its stroke (HU) in the delivery cylinder (2a, 2b), - detecting at least one delivery variable (FG', FG") during the movement, wherein the delivery variable (FG', FG") is different from the position variable (PGa, PGb) and is indicative of the delivery of building and / or thick material (DS) by means of the building and / or thick material pump (1), and - determining a profile (PR) of a subsequent movement of the delivery piston (3a, 3b) by linking the detected position variable (PGa, PGb) and the detected delivery variable (FG', FG") with one another, and - at least controlling the subsequent movement in accordance with the determined profile (PR), - wherein the delivery variable (FG') is indicative of an input of energy from the delivery piston (3a, 3b) into building- and / or thick matter (DS), - wherein the method comprises: - determining a displacement start position (POVA) at which the delivery piston (3a, 3b) begins,to displace sucked-in building and / or thick material (DS) from the feed cylinder (2a, 2b), by linking the detected position variable (PGa, PGb) during the movement for displacement, in particular the displacement or to the determining displacement start position (POVA), and the detected feed variable (FG') indicative of the input of energy from the feed piston (3a, 3b) into the building and / or thick material (DS) during the movement for displacement, in particular the displacement or to the determining displacement start position (POVA), and - determining the profile (PR) based on the determined displacement start position (POVA).

The invention relates to a hydraulically driven transfer unit that is conditioned to high and low temperature values, allows fluids with wide viscosity ranges to be transferred to a system in the desired flow rate and pressure range with minimum heat loss.