59results about "External parameter" patented technology

A portable fluid tank system can include wireless control capabilities. The portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The portable fluid tank system can include a multi-state control interface, facilitating direct user interaction or remote operation via a wireless communication module. The module can receive and execute commands from a remote transmitting device, enabling remote activation and control of the fluid actuation system.

Method for controlling a compressor (10) which drives a pneumatic tool, with a maximum allowed pressure (p_max) and an associated compressed air consumption (q_max), the method comprising the step of regulating the operating pressure (p_compr) of the compressor (10), said method comprising: - if the operating pressure (p_compr) is lower than p_max minus a value (Z): controlling the compressor (10) such that the flow rate supplied by the compressor (10) is not limited; - if the operating pressure (p_compr) is higher than or equal to p_max: controlling the compressor (10) such that the flow rate supplied by the compressor (10) does not exceed the compressed air consumption (q_max) at p_max; - if the operating pressure (p_compr) is higher than p_max minus the value (Z) and is lower p_max: controlling the compressor (10) such that the operating pressure (p_compr) remains lower than p_max.

A computer system for sump pump monitoring and repair service provider notification may include one or more processors configured to: detect that a sump pump is faulty, transmit a prompt for service quotes to a machine learning (ML) chatbot to cause the ML chatbot to: request sump pump replacement or repair services from one or more service providers, receive cost estimates from the one or more repair service providers, receive schedule availability from the one or more repair service providers, receive, from the ML chatbot, the cost estimates and the schedule availability, and communicate the cost estimates and / or the schedule availability to a user associated with the sump pump.

Provided is a technology capable of reducing pressure loss due to cooling of a compressed gas.　A gas compressor 100 comprises: a bypass passage 11 for bypassing an aftercooler 10; a bypass valve 13 provided in the bypass passage 11; a cooler bypass valve 12 provided between a connection part 19b and the aftercooler 10; an ammeter 16 for detecting a current value of a motor 1; a temperature sensor 14 for detecting a temperature of a compressed gas recovered from waste heat by a high-pressure stage waste heat recovery heat exchanger 9; a temperature sensor 22 for detecting a temperature around the gas compressor 100; and a control device 17 for opening and closing the bypass valve 13 and the cooler bypass valve 12 on the basis of the current value detected by the ammeter 16, the temperature detected by the temperature sensor 14, and the temperature detected by the temperature sensor 22.

A method for controlling a medical device. The method includes providing a conduit coupled to a pump, the pump configured to selectively provide a pressure in the conduit, a motor configured to selectively drive the pump at an operating frequency to provide the pressure in the conduit, and a controller configured to selectively drive the motor and monitor the medical device. The method includes selectively driving the motor at an indicating frequency that is different from the operating frequency when the controller identifies a value outside of a threshold for the medical device. The indicating frequency produces an indicating audible or haptic feedback that is greater than an operating audible or haptic feedback provided at the operating frequency.

In order to create a control unit that can interact with a wide variety of operating units and / or state detection units, it is proposed that the control unit comprise a basic module which has at least one processor and at least one memory for the required program code to operate the processor, as well as connections for operating units and / or state detection units that execute basic functions, and that the processor and the program code stored in the memory are designed in such a way that additional functions of an add-on module that can be connected to the basic module can also be executed with them.

The invention relates to a system and method for cooling system pump control. A method of controlling a coolant distribution unit is disclosed. The method includes: initiating, by a controller, a pump control mode; measuring, by a sensor, a differential pressure at a filter connected to the pump; determining, by the controller, whether the differential pressure is greater than a first predetermined value; when it is determined that the differential pressure is larger than the first preset value, whether the differential pressure is larger than a second preset value or not is determined, and the second preset value is larger than the first preset value; and generating a first output upon determining that the differential pressure is less than or equal to a second predetermined value.

Systems and methods for operating hydraulic fracturing units, each including a hydraulic fracturing pump to pump fracturing fluid into a wellhead and an internal combustion engine to drive the hydraulic fracturing pump, may include receiving signals indicative of operational parameters. The systems and methods also may include determining an amount of required fracturing power sufficient to perform the hydraulic fracturing operation, determining an available power to perform the hydraulic fracturing operation and a difference between the available power and the required power, and controlling operation of the hydraulic fracturing units based at least in part on the power difference. When the power difference is indicative of excess power available, the system and methods may include causing at least one of the hydraulic fracturing units to idle, and when the power difference is indicative of a power deficit, increasing a power output of at least one of the hydraulic fracturing units.

This invention discloses an apparatus and method for controlling a vehicle's oil pump, which can control the speed of the oil pump. The apparatus includes a controller configured to control the speed of the oil pump based on temperature information of the motor and oil, as well as speed and torque information of the motor. When the vehicle is in motion, the controller checks whether the temperature of the motor or oil is higher than or equal to a first set temperature. When the temperature of the motor or oil is higher than or equal to the first set temperature, the controller controls the speed of the oil pump to a maximum speed value. When the temperature of the motor or oil is lower than the first set temperature, the controller calculates a control speed value and controls the speed of the oil pump to the calculated control speed value.

The application discloses a water pump control method and device, household electrical appliances and a storage medium. The water pump is located in a water receiving tray of a target device and is used for draining water in the water receiving tray. The method comprises the following steps: after the water pump stops working, if the water level of the water receiving tray reaches a preset water level within a first preset time, a first time from when the water pump stops working to when the water level reaches the preset water level is obtained; and a dirty blockage prompt of the water pump is given according to the first time. Thus, the dirty blockage prompt of the water pump is given according to the time from when the water pump stops working to when the water level reaches the preset water level, so that the user can clean the water pump and other components in the water receiving tray in time, thereby prolonging the service life of the water pump and other components.

The present disclosure relates to systems and methods that include a multiple pump manifold to provide redundancy for use with high availability gas extraction system in industrial instrumentation. A method of operating a redundant pump assembly including operating a first pump of a plurality of pumps for an operation period; validating a second pump of the plurality of pumps at the end of the operation period of the first pump; validating a third pump of the plurality of pumps at the end of the operation period of the first pump; and, operating the third pump for the operation period, where the second pump and third pump are validated as operational.

A pistol grip tool includes an air pump driven by an electric motor, and a trigger operably coupled to the motor to operate the motor. The tool may also include a reservoir removably coupled to the air pump and adapted to receive a removable power source, such as a battery pack. The tool may be used to test and diagnose systems or components within a vehicle or other machine.

The invention relates to a compressor assembly (200), in particular for a commercial vehicle (1000), comprising: a plurality of cylinders (140), wherein each cylinder (140) accommodates a reciprocating piston (150), wherein the reciprocating piston (150) is driven by a crankshaft (154), and a plurality of cooling means (160), preferably a plurality of fans (162), arranged at a cylinder head region (142) of the cylinder (140), wherein one specific cooling means (160) is assigned to one cylinder (140) respectively. According to the invention, it is proposed that the compressor assembly comprises a sensor network (100), wherein the sensor network (100) comprises a plurality of temperature sensitive switches (110), wherein each temperature sensitive switch (110) is assigned to a cylinder (140), and each temperature sensitive switch (110) comprises a first electric terminal (112) and a second electric terminal (114) and is adapted to switch from a closed position (110A) to an open position (110B) in which an electric connection between the first electric terminal (112) and the second electric terminal (114) is interrupted when a switch temperature (TS) at the temperature sensitive switch (110) is reached or exceeded, and the sensor network (100) is adapted to provide an overheat signal (SO) when at least one temperature sensitive switch (110) is in the open position (110B).

A technique capable of reducing pressure loss caused by cooling of compressed gas is provided. A gas compressor 100 includes: a bypass path 11 that bypasses an aftercooler 10; a bypass valve 13 provided in the bypass path 11; a cooler bypass valve 12 provided between a connection portion 19b and the aftercooler 10; an ammeter 16 that detects a current value of a motor 1; a temperature sensor 14 that detects a temperature of compressed gas after waste heat has been recovered by a high-pressure stage waste heat recovery heat exchanger 9; a temperature sensor 22 that detects an ambient temperature around the gas compressor 100; and a control device 17 that opens and closes the bypass valve 13 and the cooler bypass valve 12 based on the current value detected by the ammeter 16, the temperature detected by the temperature sensor 14, and the temperature detected by the temperature sensor 22.

A method and apparatus are provided for determining the pumping rate to improve proppant placement efficiency. The method includes: acquiring proppant mesh size, bulk density, carrier fluid density and viscosity at reservoir temperature; determining the fracture length from the wellbore to the tip and average fracture width; and obtaining a preset proppant concentration. These parameters are input into a calculation model to compute the pumping rate. The method enables accurate pumping rate determination and enhances placement efficiency.

A fluid sensor, and associated monitoring and control system, employing a cylindrical venturi to eliminate stratification of fluid passing therethrough, and a capacitive sensor operatively coupled with the cylindrical venturi to facilitate the sensing of the fluid while in the venturi.

The inventive concept described herein relates to a microfluidic component (1000) comprising a membrane actuator (100) having a membrane element (101) and an actuator element (102) for deflecting the membrane element (101). The signal generating device (103) is configured to generate an electrical control signal (104) having a time-varying signal curve for controlling the membrane actuator (101), whereby the actuator element (102) actuates the membrane element (101). The signal processing device (105) is configured to detect, during operation of the microfluidic component 1000, an influence on the time signal curve of the control signal (104) caused by one or more external influencers, and to identify and / or classify at least one causal external influencer based on the influence on the time signal curve.

A computer-implemented method for determining an operating condition of a reciprocating compressor, the method comprising the steps of: a. receiving (100) time-series sensory data (1) of the reciprocating compressor; b. creating (101) a dataset (3) comprising at least one of: a time derivative of the time-series sensory data (2) as a function of the time-series sensory data (1); and time-delay embeddings of the time-series sensory data; c. extracting (102) a set of data features from the dataset (3); d. performing (103) an analysis on the set of extracted data features to determine and operating condition of the reciprocating compressor.

A pistol-grip style tool 100 has an air pump 106 driven by an electric motor (104, fig 3), and a trigger 108 operably coupled to the motor to operate the motor, a reservoir 110 that removably couples

A computer-implemented method for determining an operating condition of a reciprocating compressor, the method comprising the steps of: a. receiving (100) time-series sensory data (1) of the reciprocating compressor; b. creating (101) a dataset (3) comprising at least one of: a time derivative of the time-series sensory data (2) as a function of the time-series sensory data (1); and time-delay embeddings of the time-series sensory data; c. extracting (102) a set of data features from the dataset (3); d. performing (103) an analysis on the set of extracted data features to determine and operating condition of the reciprocating compressor.

A flow system (102) includes a pump (104), a motor (106) connected to the pump that drives the pump and draws electrical energy and a sensor (110) that measures the electrical energy drawn by the motor. The system (102) also includes a control module (120) for the flow system. The control module (120) configured to perform a control module method that includes: receiving electrical data from the sensor; receiving operating characteristic data of the pump from one or more pump sensors; comparing the changes in the electrical data over time to the operating characteristic data; and determining a health of the pump on the comparison of changes in the electrical data over time to operating characteristic data.

The invention provides a fluid equipment state monitoring device capable of diagnosing the state with high precision. A fluid equipment state monitoring device (102), which diagnoses the state of a pressure accumulation device (5) in a fluid pressure circuit (101) provided with a pump (2) and the pressure accumulation device (5), is provided with: a pressure detection means (6) capable of detecting the pressure of a working fluid in the fluid pressure circuit (101); and an output means (10) for outputting the determination result of the prescribed frequency among the detection results of the pressure detection means (6).

CONTROL OF PINCHING IN PERISTALTIC PUMPS The invention relates to a method for extending the service life of a peristaltic pump, the method including setting a timer for a predetermined rest time after use of the peristaltic pump, transmitting a micro-pulse to a motor of the peristaltic pump after the elapsed rest time, and moving a drive roller from an initial position to a second position so that a pinch point of a tube of the peristaltic pump is formed in the second position.The invention further relates to a computer-readable, non-transient storage medium that stores instructions causing the computer or computers to set a timer for a predetermined rest period after the peristaltic pump has been used, to transmit a micro-pulse to a motor after the predetermined rest period has elapsed, and to move a motor roller from an initial position to a second position such that a pinch point in a tube of the peristaltic pump is formed in the second position. Figure for the abstract: none.

Method for acquiring the number of revolutions per minute N for a pump 100 of the rotary type, operating at a frequency f and having a number of pumping elements n, comprising the steps of: - obtaining a raw pressure signal S1; - normalizing the raw pressure signal S1 obtaining a clean pressure signal S2; - obtaining an average pressure signal M from the clean pressure signal S2; - identifying negative peaks Pn and positive peaks Pp of the clean pressure signal S2; - obtaining a pulse train S3; - normalizing the pulse train S3 for the frequency f and the number of pumping elements n, obtaining the number of revolutions per minute N of the pump 100. Computer program comprising instructions which, when the program is executed by a processing unit U, cause the computer to perform the steps of the acquisition method. Control unit 10 for a pump 100 comprising: a primary module 1, operatively connected to the pump 100, a secondary module 2 communicating with the primary module 1 by means of a communication system 3, wherein the primary module 1 comprises a pressure sensor 11 configured to detect pressure values P of the pump 100 and to transmit a raw pressure signal S1, obtained from the pressure values P, to the secondary module 2, and wherein the secondary module 2 comprises the processing unit U. Pumping system 1000 comprising the pump 100 of the rotary type and the control unit 10.

Method for controlling a fluid-driven machine (2) operated by an actuator (1), - the machine (2) comprising a cylinder liner (21) and a piston (22) together forming a chamber (23) and configured to move relative to each other, - the actuator (1) comprising in series: a motor (11) with a rotating shaft, a gearbox (12) for reducing the speed of the motor shaft (11), a mechanical coupling (13) and a connecting rod (14), , the method (200) comprising the following successive steps: - determination (S1) of the relative position of the piston (22) or the cylinder liner (21) with respect to a critical position (Pos_crit) when the shaft of the motor (11) rotates at a first speed (v_nom), - pointwise increase (S2) of the speed of the shaft of the motor (11) as a function of the relative position of the piston (22) or the cylinder liner (21) with respect to the critical position (Post-critical). Figure from the summary: Fig. 7

A lockout system for a metering pump is provided. The lockout system can include a user interface that is used to switch the pump between a locked configuration and an unlocked configuration. In the locked configuration, the operation of the pump cannot be adjusted through the user interface. In the unlocked configuration, the operation of the pump can be adjusted through the user interface. The lockout system can include a passkey notice that provides information regarding how to use the user interface to switch the pump between the locked and unlocked configurations.

A system and method for remotely monitoring a sump pump are disclosed. The system includes a controller, a sensor chamber, and a remote device in communication with the control system that can toggle an operating signal to the sump pump. The operating signal is an increase pump speed signal or a decrease pump speed signal, each of the increase pump speed signal and the decrease pump speed signal associated with operating the sump pump in response to a water fill time exceeding a threshold value. The system also includes a wireless controller configured to receive monitoring instructions and to transmit sump pump status data to the remote device. The system further includes a notification system designed to generate and transmit an alert to the remote device when the measured water level exceeds a water level set point value, where a user configures the water level set point value in the remote device.

A method includes commanding a motor coolant control valve to open at a first time to provide a supply of coolant to a motor coolant flow channel that delivers coolant to a motor of a compressor. A first detection of a coolant return temperature is received at a first time from a temperature sensor connected to a coolant return line that receives coolant from the motor coolant flow channel and returns coolant to another portion of the compressor. A second detection of the coolant return temperature from the temperature sensor is received at a second time after the first time. Based on the first detection and the second detection of the coolant return temperature, it is determined if the motor coolant control valve opened at the first time, and remedial action is taken when the motor coolant control valve is determined not to have opened at the first time.

A dispensing pump has a calibration system. A base includes an upper base portion and a lower base portion for mounting a pump. A hinge pivotally connects the upper base portion and the lower base portion. A linear actuator includes a drive rod having a coupler which joins a drive rod to a connecting member. An attachment plate attaches a motor to the upper base portion. A proximity sensor is secured to the base upper portion. A 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 activates the proximity sensor when the linear drive is in a home position. 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, thereby changing an angle between the lower base portion and the upper base portion.

Pump-off detection, and actions to avert a pump-off event from occurring, are described that may be implemented in a wireline control system while performing a pump-down operation to position a downhole tool within a wellbore. As part of the pump-down operation, the downhole tool is attached to a wireline coupling the tool to a wireline control device located at the surface above the wellbore.