103 results about "Injection pump" patented technology

The invention relates to a jet pump (100) for conveying a suction fluid (242) in a refrigerant circuit (200) of a temperature control system using a propellant fluid (231) and utilizing the Bernoulli effect, wherein the jet pump (100) has a primary nozzle (103) for accelerating the propellant fluid, a secondary connection interface (102) for supplying the suction fluid, a mixing tube (104) downstream of the primary nozzle (103) and downstream of the secondary connection interface (102), and a diffuser (105) downstream of the mixing tube (104), wherein in an end section (140) of the mixing tube (104), which is located at an end of the mixing tube (104) furthest from the primary nozzle (103) and closer to the diffuser (105), a thrust edge (130) is provided which is configured to act in a supersonic The flow in the mixing tube (104) is intended to trigger a compression pulse in the final section (140). Furthermore, a refrigerant circuit (200) with such a jet pump (100) is proposed.

The application discloses a kind of spray pump structures with multi-hole parallel nozzle, including connecting pipe flange, shell, nozzle, flow guide cylinder, ejector, flow guide cylinder is fixedly connected outside nozzle, nozzle and flow guide cylinder have annular area between;Nozzle rear end is fixedly connected in the bottom of connecting pipe flange, nozzle is multi-hole parallel nozzle, with one working steam inlet and four working steam outlets;Flow guide cylinder is a hollow cylinder structure, and a circle of through-flow holes are arranged outside it.The spray pump structure of the application is improved on the technology of existing tapered nozzle, and adopts the design structure of multi-hole parallel nozzle.Under the condition that the outlet throat area is unchanged, the mixing of nozzle outlet jet and the sucked gas is enhanced, and the pumping capacity of the tapered nozzle ejector is improved.

This utility model provides an electrolyte cleaning mechanism, including a cleaning fluid delivery assembly, an injection pump assembly, and a pneumatic control assembly. The cleaning fluid delivery assembly includes a cleaning fluid storage tank, a cleaning fluid storage tank air pipe, a cleaning fluid storage tank inlet pipe, a cleaning fluid storage tank manual inlet pipe, a cleaning fluid storage tank inlet pipe, a cleaning fluid storage tank inlet filter, a cleaning fluid storage tank outlet pipe, and a cleaning fluid storage tank outlet pipe socket. The injection pump assembly includes multiple injection pump units, the output ends of which respectively deliver cleaning fluid to an injection machine. The pneumatic control assembly is connected to control the air pressure inside the cleaning fluid storage tank. This electrolyte cleaning mechanism is used to clean the injection channels of the injection pump and injection machine, preventing electrolyte crystallization and blockage of the injection channels. The cleaning fluid storage tank inlet filter filters the cleaning fluid, ensuring that no impurities enter the injection pump and injection machine, effectively guaranteeing the cleaning effect.

A system for use in a vehicle includes at least two hydraulic damper assemblies. The system includes an injection pump in fluid communication with the hydraulic damper assemblies. The injection pump includes a barrel having an opening. The injection pump includes a plunger slidable within the barrel in a first direction and a second direction, the first direction causing hydraulic fluid to move into the barrel via the opening and the second direction causing hydraulic fluid to move out of the barrel via the opening. The system includes an actuator supported within the barrel and operatively coupled to the plunger.

The utility model discloses an automatic vamp presser, belongs to the field of presser equipment, including roof, the bottom fixedly connected with arc plate of roof, the top fixedly connected with oil injection pump of roof, the outside fixedly connected with oil outlet pipe of oil injection pump, auxiliary assembly, the auxiliary assembly includes sleeve, the inside of the top of arc plate is uniformly fixedly connected with sleeve, through the cooperation of above each device, through the rotation adjustment of the inside of the shell of ball, can make the presser board adhere to the outside of spherical shoe material, to adapt to the vamp of different radian and adhere, through oil injection pump can spray the silicone oil from the oil outlet pipe, through the connecting assembly can make the silicone oil even delivery to the inside of each sleeve, through oil injection pump can make the silicone oil flow in the connecting assembly, through the pressure difference drive oil flow and make the oil even delivery to the inside of each sleeve, when the silicone oil enters the inside of sleeve, will act on the piston reversely.

The invention relates to a jet pump unit (300) with at least two jet pumps (100) connected in parallel for pumping a suction fluid (242) in a refrigerant circuit (200) of a temperature control system using a propellant fluid (231) and utilizing the Bernoulli effect, wherein each of the at least two jet pumps has a primary nozzle (103) for accelerating the propellant fluid, a secondary connection interface (102) for supplying the suction fluid, a mixing tube (104) downstream of the primary nozzle (103) and downstream of the secondary connection interface (102), and a diffuser (105) downstream of the mixing tube (104), wherein the jet pump unit has a common pressure line (310) for supplying the propellant fluid to the jet pumps connected in parallel (100) and a common actuating mechanism (320, 320A, 420, 420B, 520, 520A, 520B, 520C, 520D) for selectively opening and closing the common pressure line (310) for individual,several or all of the parallel-connected jet pumps (100) are present. Furthermore, a refrigerant circuit (200) with at least one such jet pump unit (300) is proposed.

The utility model discloses a steam jet pump, including the pump body and its inside chamber, the chamber inside is provided with mixing chamber, compression chamber, throat pipe and expansion chamber in proper order, and the communicating pipe is communicated with the chamber on the pump body, and the steam inlet and steam outlet of pump body and the communicating pipe are all set up a plurality of groups of through -hole for bolt to pass through on the one end away from the pump body, and the through -hole all is provided with fixed cylinder, and the fixed cylinder is provided with the locating cylinder, and the locating cylinder is provided with internal thread in, and the locating cylinder is located fixed cylinder outside one end and is equipped with gear, and the steam inlet and steam outlet and the communicating pipe each side to the pump body is provided with drive ring, and the drive ring inner wall is provided with the rack that is engaged with the gear, and the conventional pump body's each interface is all provided with a plurality of groups of bolt nut and is connected and is installed, and personnel one one is very troublesome to tighten and dismount, and it is not convenient when replacing maintenance, the utility model discloses can improve the dismounting efficiency of pump body butt joint.

This utility model relates to the field of medical device technology, specifically to a warming pump milk machine, including an injection pump, a fixed clamp, and an injection cylinder, and also includes a heating assembly. The heating assembly includes a delivery pipe, a fixed frame, a heating element, a fixed sleeve, a sensor, a control base, a temperature controller, and a display component. The delivery pipe is connected to the injection cylinder, the fixed frame is fixedly connected to the injection pump, the heating element is mounted on the fixed frame, the fixed sleeve is fixedly connected to the delivery pipe, the sensor is mounted on the fixed sleeve, the control base is fixedly connected to the injection pump and also connected to the sensor, the temperature controller is mounted on the control base and connected to the heating element, and the display component is mounted on the fixed sleeve and connected to the sensor. By monitoring the sensor and controlling the temperature controller, the milk is kept at a suitable temperature for a long time, avoiding discomfort to the infant caused by the milk cooling during prolonged feeding.

This utility model relates to the field of bearing technology, specifically to a high-temperature resistant bearing for harsh working conditions. To address the high cost associated with existing technologies that innovate bearing materials to adapt to high-temperature conditions, two threaded holes are provided on the outer ring of the bearing. The axes of these two threaded holes are coplanar with the axis of the outer ring, and the two threaded holes are located on opposite sides of the outer ring groove. Corresponding grease tubes are threaded into each of the two threaded holes, and these grease tubes are connected to a grease injection pump and a grease extraction pump, respectively. The cage has through-holes for grease flow. As the cage rotates, the clearance between the rollers and raceways at different positions moves to the threaded holes. The two pumps simultaneously inject and extract grease from the internal grease through the two grease tubes, replacing the high-temperature grease with a low-temperature grease, reducing the internal temperature of the bearing, eliminating the need for the bearing material to withstand high temperatures, and extending the overall lifespan of the bearing.

The application provides a system and method for treating combustion flue gas by using underground aquifer. The system comprises a pretreatment unit, an injection unit and an injection-production well unit. The pretreatment unit is used for cooling, removing particulate matters and removing water from the combustion flue gas. The injection unit comprises a first gas storage device and a gas injection pump device connected in sequence. The gas inlet of the first gas storage device is connected with the gas outlet of the pretreatment unit. The injection-production well unit comprises an injection well for injecting the combustion flue gas into a target underground aquifer and a production well for producing gas from the target underground aquifer. The injection well is communicated with the production well, the well spacing is 200-400 meters and the injection-production well unit meets the requirements of low injection and high production. The material outlet of the gas injection pump device is connected with the wellhead of the injection well. The target underground aquifer is an anticline structure or an inclined structure and the water saturation is more than 80%. The technical scheme provided by the application can effectively realize the collaborative elimination of CO2 and atmospheric pollutants in the flue gas.

This utility model discloses an oil circuit system for a relay station, comprising: an oil injection pump, an oil inlet pipe, and a support pipe; the oil inlet pipe includes a main oil inlet pipe, several spare oil inlet pipes, several oil distribution connectors, and several oil branch pipes, wherein the main oil inlet pipe and the oil branch pipes are connected through the oil distribution connectors, and the main oil inlet pipe and the spare oil inlet pipes are connected through the oil distribution connectors; the support pipe includes several relay station pipes and several jacking pipes, and the oil inlet pipe and the spare oil inlet pipes are disposed within the support pipe. With the above structure, problems such as entanglement can be avoided during use, and maintenance and troubleshooting are easier when problems occur in the oil inlet system. Because of the spare oil inlet pipes, when the main oil inlet pipe is blocked or damaged, the spare oil inlet pipes can be activated, preventing the entire tunneling operation from being interrupted due to a local oil circuit failure.

The invention relates to a jet pump (100) for conveying a suction fluid (242) in a refrigerant circuit (200) of a temperature control system using a propellant fluid (231) by utilizing the Bernoulli effect, wherein the jet pump (100) has a primary nozzle (103) for accelerating the propellant fluid, a secondary connection interface (102) for supplying the suction fluid, a mixing tube (104) downstream of the primary nozzle (103) and downstream of the secondary connection interface (102), and a diffuser (105) downstream of the mixing tube (104), wherein an adjusting needle (130) is provided for setting a minimum cross-section of the primary nozzle (103), wherein the adjusting needle is configured to set a maximum cross-section of the primary nozzle downstream of the minimum cross-section depending on the set minimum cross-section. Furthermore, a refrigerant circuit (200) with such a jet pump (100) is proposed.

We provide a carbon dioxide storage system utilizing wind turbine equipment. [Solution] A carbon dioxide storage system comprising a cylindrical tower, a wind turbine device positioned on the tower, a carbon dioxide separation and recovery device driven by the rotational shaft power obtained from the wind turbine device to separate and recover carbon dioxide from gas drawn in through an opening in the tower, a carbon dioxide gas compressor driven by the rotational shaft power obtained from the wind turbine device to compress the carbon dioxide gas separated and recovered by the carbon dioxide separation and recovery device, an injection pump driven by the rotational shaft power obtained from the wind turbine device to pump the compressed carbon dioxide into an underground carbon dioxide storage tank, and an injection well for injecting and storing the carbon dioxide separated and recovered from the gas into the underground carbon dioxide storage tank, wherein the carbon dioxide separation and recovery device, the carbon dioxide gas compressor, and the injection pump are located inside the cylinder of the tower.

The invention relates to a jet pump for oil drainage in a crankcase ventilation system of an internal combustion engine, comprising - an inlet opening 3 for supplying oil from an oil separator of the internal combustion engine, - a propulsion nozzle 5 for supplying a propellant medium, - an outlet opening 6 for returning the oil to a cylinder head chamber 7 of the internal combustion engine, - a check valve 8 arranged at the inlet opening 3 to prevent backflow of oil, - wherein the check valve is designed as a diaphragm valve 8.

The embodiment discloses an oil tanker seawater washing system, cancels a washing seawater heater, heats washing water of a dirty oil water tank through a heating coil, heats seawater temperature for cleaning the dirty oil water tank to a washing target temperature, uses a cargo oil pump as a washing pump and a sweeping injection pump power, and based on a washing design condition, organically combines seawater washing, collection of sweeping, recycling and heating and intelligent monitoring and control to form a perfect automatic intelligent control circulating system, so that the system can be semi-automatically and smoothly operated. The oil tanker seawater washing system integrates the oil tanker seawater washing, sweeping, layered purification and heating, has low investment cost and low maintenance cost, is convenient to use, and meets the actual needs of the oil tanker seawater washing.

The application discloses a kind of offshore oilfield injection system multi-objective time-sharing parameter optimization method and equipment, it is related to oilfield injection system optimization technical field, this method includes: constructing multi-objective injection optimization model;The multi-objective injection optimization model includes objective function and constraint condition, the objective function includes minimum carbon emission function and minimum power cost function;Time period priority constraint is to time period for all day, and the constraint that each time period is assigned injection priority;The multi-objective injection optimization model is solved, and the optimal operation scheme of oilfield time period injection is obtained;The optimal operation scheme of oilfield time period injection includes the displacement, power consumption, power cost and carbon emission of each injection pump of oilfield injection system in each time period, and the low carbon, energy-saving, efficient operation of oilfield injection system can be realized by the application.

The utility model relates to lubricating oil production technical field especially relates to a lubricating oil production canning device with guide structure, including frame and mounting frame, the front side fixed mounting of frame has two groups first guide rail, and mounting frame passes through first guide rail and is connected with the frame slidingly, and the both sides fixed mounting of frame has two groups telescopic link, and the front side fixed mounting of mounting frame has injection pump, and the lower end of injection pump is connected with the perfusion head through, and the inside fixed mounting of perfusion head has guide rod, and the periphery of guide rod is provided with helical recess, the utility model discloses through telescopic link drive mounting frame along first guide rail sliding, make guide rod insert the inside of packing jar in perfusion operation, and the lubricating oil of perfusion head output will flow into the inside of packing jar along guide rod, prevent the deviation of lubricating oil from external force influence in the perfusion process, and the recess of the periphery of guide rod can reduce the impact force of lubricating oil perfusion, prevent lubricating oil splashing, and can restrain bubble generation simultaneously.

The utility model discloses a kind of sliding bearing hob of shield machine, belong to the field of shield machine.A kind of sliding bearing hob of shield machine, including tool shaft, the inside transverse of tool shaft is provided with main transmission pipeline, the both sides of main transmission pipeline outside are respectively surrounded with second shunt pipeline and first shunt pipeline.The utility model solves the problem that high-power grease injection pump increases equipment cost and energy consumption in the process of using existing hob, the utility model first alternately distributed second shunt pipeline and first shunt pipeline can be evenly distributed after the uniform distribution of lubricating grease transmission, first shunt pipeline and second shunt pipeline adopt tapering pipeline, using fluid dynamics principle, obtain higher flow rate and better permeability in first oil inlet position, adjust the included angle between first shunt pipeline and second shunt pipeline and main transmission pipeline, reduce included angle value can avoid lubricating grease due to viscosity extremely high.

This invention relates to a system and method for testing the atomization and ignition of flammable liquids upon impact with a hot surface, belonging to the field of combustion characteristic testing technology. It overcomes the limitations of existing testing equipment in exploring critical atomization conditions and the impact of atomization degree on combustion efficiency, while also solving the problem of difficult visualization of combustion flames. The solution is as follows: the testing system includes a droplet generation component for generating single droplets with controllable particle size, and a droplet atomization and ignition component for atomization upon impact with a hot surface and subsequent ignition. The droplet generation component includes an injection pump, an adapter valve, and a coaxial needle. The droplet atomization and ignition component includes a base, a guide rod, a clamping arm, and a pneumatic ignition component. The control system is electrically connected via data cables to a control switch, injection pump, heating controller, high-speed camera, and computer at the gas cylinder outlet. Data collected using the testing system and method provided by this invention provides a basis for studying droplet atomization characteristics and combustion mechanisms.

The invention relates to a jet pump unit (300) with at least two jet pumps (100) connected in parallel to each other for pumping, utilizing the Bernoulli effect, a suction fluid (242) in a refrigerant circuit (200) of a temperature control system using a propellant fluid (231) and forming a mixing fluid comprising the propellant fluid and the suction fluid, wherein each of the at least two jet pumps has at least one primary nozzle (103) for accelerating the propellant fluid, at least one secondary connection interface (102) for supplying the suction fluid, a mixing tube (104) downstream of the primary nozzle (103) and downstream of the secondary connection interface (102), and a diffuser (105) downstream of the mixing tube (104).wherein the jet pump unit has a common pressure line (310) for supplying the motive fluid to the parallel-connected jet pumps (100) and a common suction line (330) for supplying the suction fluid to the parallel-connected jet pumps (100), wherein the jet pump unit (300) further comprises a common actuating mechanism (320) for selectively opening and closing the common pressure line (310) for one, several, or all of the parallel-connected jet pumps (100) and a non-return valve (321, 322, 360A, 360B, 500) for preventing backflow of the motive fluid and / or the mixing fluid into the common suction line (330). A refrigerant circuit (200) with at least one such jet pump unit (300) is also proposed.

The utility model discloses an oil after oil injection weighing cabinet device belongs to animal feed production technical field. It includes an oil after oil injection weighing cabinet device, including cabinet frame, be equipped with mixed oil tank in the cabinet frame, be equipped with mixed subassembly on the mixed oil tank, install a plurality of oil inlet pipeline on the mixed oil tank, install filter piece and flowmeter respectively on a plurality of oil inlet pipeline, the discharge end of mixed oil tank is equipped with first stop valve, the other end of first stop valve installs the oil storage tank, the periphery of mixed oil tank with oil storage tank is equipped with support respectively, be equipped with pressure sensor on the support, be equipped with electric heater on the oil storage tank, be equipped with oil injection pump on the cabinet frame. Through the cooperation of mixed oil tank and mixed subassembly, a variety of oil can be fully and evenly mixed in the tank body, ensure the consistency of oil quality, provide the guarantee for the accurate addition of oil in subsequent feed production, and then improve the overall quality of feed products.

The invention relates to a jet pump unit (300) having at least two jet pumps (100), which are connected in parallel with one another, for conveying a suction fluid (242) in a refrigerant circuit (200) of a temperature-control system by means of a propellant fluid (231) using the Bernoulli effect, wherein each of the at least two jet pumps has a primary nozzle (103) for accelerating the propellant fluid, a secondary connection interface (102) for supplying the suction fluid, a mixing tube (104) downstream of the primary nozzle (103) and downstream of the secondary connection interface (102), and a diffuser (105) downstream of the mixing tube (104); and the jet pump unit has a common pressure line (310) for supplying the propellant fluid to the jet pumps (100) connected in parallel and a common actuating mechanism (320, 320A, 420, 420B, 520, 520A, 520B, 520C, 520D) for selectively opening and closing the common pressure line (310) for individual jet pumps (100), a plurality of jet pumps, or all of the jet pumps connected in parallel. The invention further relates to a refrigerant circuit (200) comprising at least one such jet pump unit (300).

A system used with a gas lift valve on a tubing string in a borehole includes a mandrel assembly and a tool assembly. The mandrel assembly holds the gas lift valve disposed in communication between a through-bore and a borehole port. The mandrel assembly couples to the tubing string and defines a lock profile, an uphole seal bore profile, and a downhole seal bore profile. The tool assembly is configured to retrievably deploy in the tubing string. The tool assembly has a lock, an uphole seal, an auxiliary tool, and a downhole seal. The lock is releasably engageable with the lock profile, and the uphole and downhole seals are sealably engageable respectively with the seal bore profiles. The auxiliary tool, which can be a jet pump or a venturi device, has an annulus port that communicates with an annular area of the throughbore sealed by the uphole and downhole seals.

The utility model relates to gallbladder injection auxiliary device field especially, more particularly to a portable gallbladder injection auxiliary device. Including chassis, a plurality of universal wheel, fixed link, injection pump, adjusting structure and auxiliary structure, the lower surface mounting of chassis has a plurality of universal wheel, the lower surface mounting of injection pump has fixed link, the fixed link is fixed with adjusting structure and chassis, the upper surface of chassis is equipped with adjusting structure, the adjusting structure includes locating rod, the locating rod and chassis fixed connection, the inner wall sliding connection of locating rod has connecting rod, the circular arc surface of locating rod is set up with the sliding slot. The portable gallbladder injection auxiliary device provided by the utility model has the advantage that the height of injection pump can be conveniently adjusted, and then personnel can conveniently use the injection pump for injection, so that the injection pump is more in line with the height of personnel during use, avoids the need for personnel to perform actions such as bending over during use, and makes it more humanized.

A bleed system including a jet pump system configured to provide a supply gas comprising at least one of a higher pressure gas, a lower pressure gas, or a mixture of the higher pressure gas and the lower pressure gas. A needle body defines a throat region between a nozzle wall and the needle body. The needle body is configured to cause a gap between a rear needle surface of the needle body and the nozzle wall to decrease as the rear needle surface extends toward the throat region. The jet pump system is configured to discharge the higher pressure gas through the throat region and mix the higher pressure gas and the lower pressure gas in a mixing portion of an exhaust portion.

This invention relates to the field of micro-liquid dispensing technology, and discloses a sampling device and method thereof. The invention includes a sampling needle, a high-speed solenoid valve, an injection pump, and a pressure stabilizing structure. The sampling needle is used for directional spraying of micro-sample droplets. The high-speed solenoid valve, installed at the sampling needle, has millisecond-level on / off capability, precisely controlling the start and stop of spraying. The injection pump is connected to the high-speed solenoid valve through a first pipeline to pre-pressurize the liquid in the pipeline, establishing a stable high-pressure liquid environment. This invention, through the cooperation of the pressure stabilizing structure and the injection pump, dynamically compensates for pressure loss during the spraying process in real time, maintaining a constant steady-state pressure throughout the pipeline. Combined with the high-speed solenoid valve's precise timing control, it fundamentally eliminates the shortcomings of traditional pneumatic pressure fluctuations, high cost of piezoelectric systems, and easy drift, achieving high-precision and high-consistency spraying of micro-droplets, significantly improving sampling stability and batch repeatability.