23 results about "Pump function" patented technology

The invention provides a hydraulic fracturing simulation device, which comprises a pressure pump, a function module, an execution module, a visual display module and a valve assembly, the function module comprises a sand mixing unit and an oil-water separation unit, the execution module comprises a shaft simulation unit and a multi-stage crack simulation unit, and the shaft simulation unit and the multi-stage crack simulation unit are communicated. A gradient pressure triggering structure is arranged in the multi-stage crack simulation unit so as to realize multi-stage crack progressive expansion; the valve assembly comprises a first valve, a second valve, a third valve and a fourth valve, the first valve is connected with the pressure pump and the sand mixing unit, the second valve is connected with the sand mixing unit and the shaft simulation unit, the third valve is connected with the pressure pump and the oil-water separation unit, and the fourth valve is connected with the oil-water separation unit and the shaft simulation unit; thus, through integrated design, a valve assembly double-loop switching mechanism and gradient triggering and visual collaborative layout, the requirements for integration, continuity, high simulation and high precision of the hydraulic fracturing experiment are met, and the hydraulic fracturing experiment system fully meets the requirements for industry core development.

This invention discloses a high-efficiency dual-condition fluid transfer pump, relating to the field of fluid machinery technology. Addressing the problems of existing fluid pumps being single-function, inefficient, and lacking adaptability to various operating conditions, this invention achieves high-efficiency fluid transfer by optimizing the pump impeller structure and fluid channels, resulting in high transfer efficiency, low energy consumption, and minimal wear. Through a closed internal circulation channel and a throttling adjustment component, the adjustable conversion between mechanical kinetic energy and fluid pressure is achieved. It can be widely applied to various fluid transfer scenarios and various scenarios involving the mutual conversion of mechanical kinetic energy and fluid pressure.

The invention discloses a bendable plane type soft pump driven by a dielectric elastomer. The pump body comprises a pumping sealing layer, a dielectric elastomer film, a negative pressure sealing layer, a one-way valve and a part of hose; the pumping sealing layer is provided with a fluid inlet and a fluid outlet, the one-way valve is connected with the fluid inlet and the fluid outlet through the hose, fluid flows to the fluid inlet through the one-way valve, flows to the fluid outlet through flow channels among a plurality of unit pumping cavities in the pumping sealing layer and flows out of the one-way valve, and the pumping sealing layer is bonded with the dielectric elastomer film through a bonding surface; the dielectric elastomer film is bonded with the negative pressure sealing layer through a bonding surface, one end of the negative pressure sealing layer is provided with an air exhaust hole, and the air exhaust hole is communicated with a plurality of unit negative pressure cavities on the negative pressure sealing layer through flow channels. The soft pump utilizes voltage to control compression of the dielectric elastomer film and realizes volume change of the pumping cavity under the action of negative pressure so as to pump fluid, the pumping function is kept when the soft pump is bent by utilizing the structural infinitesimal, and the soft pump is suitable for a driving device in a soft robot or wearable equipment.

A device for orienting core samples relative to their position in the subsoil before extraction, attaching to a core bit during drilling features a robust tubular body with a detector to identify core sample breakage and orientation using triaxial accelerometers and gyroscopes, measuring orientation by the gravity vector or true north. An electronic control unit stores, timestamps, and transmits data wirelessly via BLUETOOTH®, ensuring data reliability without removing the device. The device includes adapters for different pipe diameters, minimizing the need for disassembly and reducing user fatigue, while maintaining pump functionality with a bypass valve if needed.

The application relates to a pump head, comprising a pump cover, a diaphragm seat and a functional part arranged between the pump cover and the diaphragm seat. Two independent flow paths are arranged in the pump head, the first one comprising a one-way communication input flow path and an output flow path, and a pressure relief flow path selectively communicated with the output flow path, and the second one comprising a stop flow path. A valve function sheet is arranged on the functional part, the valve function sheet and the pump cover form a valve function cavity communicated with the output flow path, and the valve function sheet and the diaphragm seat form a pump function cavity communicated with the stop flow path, and the valve function sheet selectively communicates the output flow path and the pressure relief flow path according to the pressure of the valve function cavity and the pump function cavity. Through the above technical scheme, the fluid has two independent flow paths in the pump head, the pump function and the valve function are respectively realized through the two independent flow paths, the flow path structure is optimized, and the problem of low reliability caused by the mutual correlation of the pump valve flow path in the traditional technology is solved.

Regarding refillable containers for liquids, the aim is to make it easier to visually confirm the appropriate liquid volume when refilling, thereby preventing overfilling. [Solution] The liquid refill container 100 has a self-standing container body 10 for storing liquid L. The container body 10 has an opening 40 for pouring in liquid, and an indicator part 50 is provided on the inner wall surface 10a of the container body 10 at a position visible from the opening 40 to indicate when the liquid level has been reached. The indicator part 50 is a recess formed in the inner wall surface 10a, or a projection that protrudes from the inner wall surface 10a toward the inner space. The liquid refill container 100 may further include a head part 20 that can be attached to and detached from the mouth 14 of the container body 10, and the head part 20 may include a nozzle 24, a liquid suction tube 23, an actuator 22, and a pump function.

A device for producing bone cement, comprising a base part having a carrier for receiving a vessel containing monomer liquid, a bottom part having a collection region with a tip and a piston having a passage for receiving the hollow mandrel, and a cartridge for receiving a PMMA bone cement powder, wherein the cartridge comprises a septum which delimits the cartridge toward the outside; wherein the piston is configured to pump a monomer liquid from the collection region and into the cartridge through the hollow mandrel.

The invention relates to a method for performing a function extension of a pump, in particular a centrifugal pump, comprising the following steps: providing optional pump functions for the pump on a display means of a user terminal which is or can be connected to the pump (10) and a server (30); transmitting, upon request by the user, a request to an external server for activating the selectable pump function; providing, by the server, a function-specific token for the requested pump function to the user terminal device; transmitting, by the user terminal, the function-specific token to the pump; and if it is determined that the received function-specific token is valid for the pump function to be activated, activating an optional pump function by a pump control device of the pump.

The hydraulic transmission system comprises a main motor and is characterized in that the output end of the main motor is provided with a main hydraulic pump, the main hydraulic pump is connected with a hydraulic oil tank, one side of the main hydraulic pump (2) is provided with a main pump function switching valve set, the output end of the main hydraulic pump (2) is provided with a filtering energy storage safety valve set, and the output end of the main hydraulic pump (2) is provided with a main pump function switching valve set. A plurality of control valve banks are arranged at one end of the filtering energy storage safety valve bank, a moving part system is arranged at the rear ends of the control valve banks, and a pilot oil source valve bank is arranged on a main oil way of the hydraulic oil tank. And through the innovative mode switching design, a single pump source perfectly considers the contradictory requirements of high-precision operation and efficient walking, the performance is guaranteed, meanwhile, the system is simplified, and the cost is reduced. Precision and response are both considered; a constant pressure mode is matched with an energy accumulator, so that an extremely stable pressure environment is provided for servo control; and the energy accumulator is cut off in the load sensitive mode, so that quick response of pressure during walking is ensured.

The present disclosure relates to an implantable device for improving the pump function of the heart of a human patient by applying an external force on the heart muscle. The device is provided with a first part having a first surface comprising a ceramic material, and a second part having a second surface comprising a ceramic material.

Systems and methods for testing a pump assembly for a cooled radiofrequency treatment procedure. In some embodiments, the pump assembly and at least one pump head are driven by at least one respective motor, where the at least one pump head is coupled to tubing for delivering a cooling fluid to a medical probe assembly. The at least one pump head is configured to pump the cooling fluid through the tubing for the cooled radiofrequency treatment procedure. The system can also include a programmable controller operatively connective to the pump assembly and configured to control the pump assembly, and one or more pump function sensors for sensing operation parameters associated with the pump assembly and communicating the pump operation parameters to the controller. The controller can determine that the pump assembly is operating properly based on the operation parameters and can adjust the operation of the motor or output an alert.

A cardiac assist device (10) for acting on a heart (11) having an actual end-diastolic conformation in vivo and an ideal end-diastolic conformation that would cause the heart (11) to pump more efficiently. The cardiac assist device (10) has a shell configuration (13) with a top opening (24), a base (21), and a maximum interior diameter (MD) between the top opening (24) and the base (21). The shell configuration (13) has a total long axis length (TL). The shell configuration (13) has a major axis that follows a curvature rotated about a major axis. At last one inflatable membrane (26) extends from said shell configuration (13), wherein said shell configuration (13) and said at least one inflatable membrane (26) act upon said heart (11) to alter said actual end-diastolic conformation toward said ideal end-diastolic conformation.

This utility model discloses a multifunctional hydrostatic testing system, including a water storage tank, a pressure testing pump, an electric flow regulating valve, a control system, and a pressure sensor. The water storage tank is connected to a water supply pipeline, a first hydrostatic testing pipeline, and a second hydrostatic testing pipeline. A third hydrostatic testing pipeline is connected to the first hydrostatic testing pipeline. All three pipelines are connected to the test container. The water supply pipeline is connected to a water supply system. The pressure testing pump and the electric flow regulating valve are respectively installed on the first and second hydrostatic testing pipelines. The pressure sensor is located at the highest point of the test container. The electric flow regulating valve is connected to the pressure sensor via the control system. The advantages are: the system has a multi-purpose pump function, can remotely adjust the pressure rise and fall rate during hydrostatic testing, and effectively improves the stability of the pressure rise and fall rate and accurately controls the pressure test value through automated control.

The invention belongs to the technical field of pump body function detection, and particularly relates to a shield pump function monitoring device which comprises a pump body, a stator cavity is fixedly installed in the pump body, a rotor shaft is arranged in the stator cavity, three groove boxes are symmetrically arranged on the outer wall of the stator cavity, and monitoring assemblies are arranged in the three groove boxes. The three groups of monitoring assemblies are spaced by 120 degrees; the three groove boxes are connected with the outer wall of the stator cavity at intervals of 120 degrees with the center of the rotor shaft as the center point through the balance connection assembly, the three monitoring assemblies can monitor the functions in the pump body, and the balance connection assembly and the self-checking assembly work in a matched mode. On one hand, when the monitoring assembly detects the interior of the shield pump through the detection coil, the detection coil can be more stable, monitoring operation on the function of the shield pump is better facilitated, on the other hand, the balance connection assembly and the self-checking assembly can greatly guarantee the integrity of the detection coil, and the shutdown replacement time can be shortened.

This product is used to store liquid. A thread is provided around the neck formed at the top end, and a lid member according to the intended use can be attached by screwing it in. As an example, the reference front view of the product with the lid member attached shows the state in which the lid member equipped with a pump function for extracting the liquid stored inside is attached.

A system and method for the installation and operation of a cardiac assist device. Flexible guides are advanced into a prepared space using minimally invasive techniques. A cardiac assist device is advanced into position in the pericardial area along the flexible guides. Once in position, the cardiac assist device is activated while still engaged with the flexible guides. The flexible guides provide structural integrity to the cardiac assist device needed in order for the cardiac assist device to function properly. The forces supplied to the heart by the cardiac assist device are affected by the presence of the flexible guides. The structure of the flexible guides, the position of the flexible guides, and the structure of the cardiac assist device are customized to supply the forces needed by a particular heart in order to assist the heart in pumping more efficiently.

System (1) for providing an operating fluid in a motor vehicle (2) comprising a tank (3) in which the operating fluid can be stored and a dispensing point (4) at which the operating fluid can be provided, further comprising a bidirectionally operable pump (9) for pumping the operating fluid, functionally arranged between the tank (3) and the dispensing point (4), and further comprising a suction line (15) and a return line (16), which functionally are arranged parallel to each other between the pump (9) and the tank (3), wherein a first filter module (17) is arranged on or in the suction line (15), wherein the operating fluid can be pumped back to the tank (3) past the first filter module (17) via the return line (16), wherein a shut-off valve (6), preferably designed as a ball check valve (7), is arranged on or in the suction line (15),which prevents the operating fluid from being pumped back through the suction line (15), wherein, functionally speaking, a second filter module (26) is arranged between the feed pump (9) and the discharge point (4).

The utility model relates to an unpowered automatic pump filling device. A liquid level meter is mounted on the liquid storage tank; a liquid inlet pipe is arranged between the bottom of the self-guiding tank and the centrifugal pump, a liquid outlet pipe is arranged at the outlet end of the centrifugal pump, and a backflow pipe is further arranged between the liquid outlet pipe and the self-guiding tank in parallel. The automatic exhausting and pump filling functions under the unpowered condition can be achieved through linkage cooperation of the self-guiding tank, the guide pipe, the floating ball and the limiting plate of the device, when the liquid level of the self-guiding tank rises, the floating ball can rise along with the rising of the liquid level, at the moment, gas in the guide pipe can be naturally exhausted through the exhaust pipe, and the self-guiding tank is protected. And gas in the self-guiding tank can be exhausted through the vent hole, the opening and the exhaust pipe in sequence, and during the period, fluid flows into the liquid inlet pipe through the return pipe and fills the outlet end of the centrifugal pump, so that the inlet end and the outlet end of the centrifugal pump are ensured to be completely filled with the liquid, manual operation is not needed, and the working efficiency and the safety are greatly improved.

The present invention relates to an implantable device for improving the pump function of the heart of a human patient by applying an external force on the heart muscle. The implantable device comprises at least one implantable pump device comprising: A fluid, A first reservoir having a first volume and at least one movable wall portion, for varying said first volume, and A second reservoir being in fluid connection with said first reservoir. Wherein said implantable pump device is adapted to allow free flow of fluid between said first reservoir and said second reservoir, and wherein said first reservoir, said second reservoir and said fluid connection forms a fully implantable closed pump device, and wherein said fully implantable closed pump device is adapted to transfer force from said first reservoir to said second reservoir.

The present invention discloses a horizontal well linear motor pump, which belongs to the field of oil extraction equipment. The horizontal well linear motor pump comprises a bridge pipe, the top of the bridge pipe is fixedly connected to an oil pipe interface, the inner wall of the bridge pipe is provided with an upper pump barrel, the inner cavity of the upper pump barrel is provided with an upper plunger, the top of the upper pump barrel is provided with a fixed valve, the inner cavity of the bridge pipe is provided with a lower pump barrel near the lower side, the inner cavity of the lower pump barrel is provided with a lower plunger, the inner cavity of the lower plunger and the top of the upper plunger are respectively provided with a swimming valve, an annular cavity is reserved between the lower pump barrel and the lower plunger, the side wall of the annular cavity is provided with an annular cavity oil outlet, the side wall of the lower plunger is provided with a pump body oil inlet near the bottom end, and the bottom end of the lower plunger is provided with a plunger rotator, which can realize the use of a large and small pump series structure, and discharge oil into the oil pipe cavity during the up and down strokes, thereby realizing the function of a double-acting pump. Compared with an ordinary series pump that only discharges oil from the annular cavity in a single stroke, the displacement of this pump is larger.

System (1) for providing an operating fluid in a motor vehicle (2) comprising a tank (3) in which the operating fluid can be stored and a dispensing point (4) at which the operating fluid can be provided, further comprising a bidirectionally operable pump (9) for pumping the operating fluid, functionally arranged between the tank (3) and the dispensing point (4), and further comprising a suction line (15) and a return line (16), which functionally are arranged parallel to each other between the pump (9) and the tank (3), wherein the operating fluid can be pumped back to the tank (3) via the return line (16) past the suction line (15), wherein a shut-off valve (6) is arranged in the return line (16), which is designed as a beak valve (27) and which prevents the suction of operating fluid from the tank (3) via the return line (16).

The application discloses a test bench and a test method for a plunger pump subsystem, comprising a back pressure source module, a first test module and a second test module, wherein the back pressure source module comprises a gas source, a pressure regulating valve and a gas pressure boosting cylinder connected through pipelines to provide a constant low pressure section back pressure source and a constant high pressure section back pressure source; the first test module has a first test station, one end of the first test station is connected to the back pressure source module through a pipeline to access the back pressure source, and the other end of the first test station is connected to an adjustable constant pressure load device; the second test module has a second test station, one end of the second test station is connected to the back pressure source module through a pipeline to access the back pressure source, and the other end of the second test station is connected to a simulation load device; and the application can meet the needs of plunger pump function, performance and failure verification.

A fan and water pump assembly (100) and a gas water heating apparatus (1000). The fan and water pump assembly (100) comprises: a driving device (10), which is provided with a gas flow channel (101) and a liquid flow channel (102) that are independent of each other, wherein the gas flow channel (101) is provided with an air inlet (1011) and an air outlet (1012), and the liquid flow channel (102) is provided with a liquid inlet (1021) and a liquid outlet (1022); a first working element, which is movably arranged within the gas flow channel (101) and used for driving a fluid in the gas flow channel (101) to flow from the air inlet (1011) to the air outlet (1012); and a second working element, which is movably arranged within the liquid flow channel (102) and used for driving a fluid in the liquid flow channel (102) to flow from the liquid inlet (1021) to the liquid outlet (1022). The driving device (10) has a first output end (10a) in driving engagement with the first working element and a second output end (10b) in driving engagement with the second working element, and is used for driving the first working element and the second working element to move separately. In the fan and water pump assembly, integration of the functions of a fan and a water pump reduces cost and improves structural compactness, thereby reducing the size, saving mounting space.