217results about "Pump parameter" patented technology

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.

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 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 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.

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.

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.

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 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.

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.

The application discloses a kind of compressor exhaust temperature control method, device, equipment and medium, the method includes: when detecting that compressor is in target operation phase, obtain the exhaust parameter of the compressor, at least including the exhaust temperature of the compressor;According to the exhaust temperature, the opening of the target operation phase is adjusted in air induction valve.Adopting the present application, the intelligent and convenient adjustment of compressor exhaust temperature can be realized, which is conducive to improving equipment promotion.

The invention relates to a method for providing a fluid supply for hydraulic loads (17) using a variable-speed drive (10) for a fluid pump (12) with a variable fluid delivery volume Vg, comprising a control device (58), which changes the fluid delivery volume Vg of the fluid pump (12) on the basis of at least a hydraulic feedback of a pressure, and comprising a sensor system, which consists at least of a pressure sensor (36) for detecting the actual pressure pIst and a sensor (38) for detecting a measurement variable which is proportional to the fluid delivery volume Vg of the fluid pump (12), in particular in the form of a pivot angle aIst. The method is characterized in that at least the actual pressure pIst and the actual pivot angle alst are the respective input variables for an electronic controller (34) which determines at least the rotational speed n of the variable-speed drive (10) as a respective output variable and, as a function of at least one one-dimensional or one multi-dimensional characteristic map, a target pivot angle o-'s oii which serves as a control deviation e for the rotational speed control while being continuously compared with the actual pivot angle a'lst.

The invention provides a method for controlling a hydraulic drive system having at least two hydraulic machines (2a, 2b).SOLUTION: For each of the hydraulic machines 2a, 2b, a setpoint value for a delivery quantity of the hydraulic machine is detected, wherein the delivery quantity is dependent on the displacement volume, and wherein manipulated values for the displacement volumes of the two hydraulic machines 2a, 2b are implemented in such a way that a ratio of the manipulated values to one another is equal to a corresponding ratio of the setpoint values, and in such a way that at least one condition is satisfied, the at least one condition includes a condition that the sum of the driving amount requests of the hydraulic machines 2a and 2b corresponding to the operation values is equal to or smaller than the driving amount maximum value, and the hydraulic machines 2a and 2b are controlled using the determined operation values.SELECTED DRAWING: Figure 1

Embodiments of the present disclosure are directed to a system for monitoring operating conditions of a saltwater disposal pump system, which includes a processing device that causes a controller to receive an alarm from the at least one machine that exceeds a predetermined alarm level indicative of an abnormal machine operation, receive a plurality of data from a plurality of sensors that are indicative of a current operating conditions of a saltwater disposal pump assembly, derive an expected value utilizing a statistical regression analysis, determine whether the expected value and a history of the plurality of data correlate at a point where the plurality of data exceeds the predetermined alarm level, determine whether a deviation from a predefined operating profile exceeds a predetermined machine data validation threshold value, validate the alarm, output an alert of the deviation and inhibit further operation of the saltwater disposal pump assembly.

Example hydraulic systems, control systems, and methods for reducing pump flow ripple are described. Variation in pump displacement, from a nominal pump displacement, based on an angle of a rotating member of a pump is determined. A controller then controls speed and torque of an electric motor driving the pump to compensate for or counter the variation in the pump displacement and reduce flow ripple.

A suction valve control system of a fluid pump, that is configured to discharge fluid during a plurality of discharge cycles, may include a plurality of suction valves for respective cylinders of a fluid end of the fluid pump. The plurality of suction valves may be configured to close during the plurality of discharge cycles in accordance with a normal operation of the plurality of suction valves. The suction valve control system may include a controller configured to cause, responsive to a deactivating event for a cylinder of the respective cylinders, a suction valve of the cylinder to be maintained in an open position throughout one or more discharge cycles of the plurality of discharge cycles, while at least one other suction valve of the plurality of suction valves has the normal operation during the one or more discharge cycles.

A shovel (100) comprises a lower traveling body (1), an upper turning body (3) that is turnably mounted on the lower traveling body (1), an engine (11) that is mounted on the upper turning body (3), a main pump (14) that is driven by the engine (11), and a controller (30) that controls the flow rate of a hydraulic fluid discharged by the main pump (14). The controller (30) delays main pump (14) responsiveness until the actual torque of the engine (11) rises to a level corresponding to the load when the load on the engine (11) has been increased.

Variable displacement pump comprising: at least a pumping piston (10) for pumping the fluid; at least a sliding seat (2) along which a stroke of the piston (10) takes place, wherein a sliding of the piston (10) along the seat (2) corresponds to a rotation of said seat (2); and a system (400) for regulating the torque absorbed by the pump, in turn comprising a means (4) for regulating a displacement of the pump (1) as a function of an electrical signal. The regulating means (4) in turn comprises: a structure (41) with variable inclination for regulating the stroke length of the pumping piston (10) and thus the displacement of the pump (1); a fluid-dynamic actuator (42) for regulating the inclination of said structure (41); and a control means (43) for controlling the actuator (42) as a function of an electrical signal.

A reciprocating compressor includes a piston slidably mounted within a compression chamber and defining a suction port for receiving a flow of gas. A flex mount is mechanically coupled to the piston and has an inner surface that defines a suction cavity. A suction muffler is positioned at least partially within the suction cavity and includes an inlet tube extending along the axial direction within the suction cavity and defining an inlet passageway configured to receive the flow of gas and a plurality of chamber plates that extend along the radial direction from an outer surface of the inlet tube, the plurality of chamber plates and the flex mount defining a plurality of resonance chambers to reduce compressor noise.

A device for conveying viscous material to an applicator has a conveying cylinder in which a double-acting conveying piston is movable to and fro. The conveying cylinder has first and second chambers separated from one another by the conveying piston. Each chamber has a material inlet and outlet. A conveying device is connected to the material inlets for the pressurized introduction of viscous material into the conveying cylinder chambers, and a valve device closes and opens the material inlets and outlets. In a first switching position, the valve device opens the first chamber material inlet and the second chamber material outlet and closes the second chamber material inlet and the first chamber material outlet and, in a second switching position, releases the second chamber material inlet and the first chamber material outlet and closes the first chamber material inlet and the second chamber material outlet.

The present disclosure relates to pumps and pump systems, for instance, smart pumps. In particular, the disclosure is concerned with pump control and monitoring. A pump system is provided, which can monitor sound, detect acoustic anomalies, and control the pump accordingly. The pump system comprises a pump for pumping a fluid, an acoustic sensor, and a processor. The acoustic sensor is configured to capture sound of the pump environment and of the pump. Further, the acoustic sensor is configured to convert the captured sound into acoustic data. The processor is configured to compare the acoustic data with reference acoustic data for the pump, in order to detect an anomaly in the acoustic data based on the reference acoustic data.