1348 results about "Injection pump" patented technology

Relating to the technical field of harmless treatment of petroleum exploitation sludge, the invention provides a harmless reinjection treatment method for petroleum exploitation sludge. By means of a pump station composed of several hydraulic injection pumps in parallel connection, the sludge generated in petroleum exploitation is sent to an abandoned layer of an oil field. The method provided in the invention employs the hydraulic injection pumps with long stroke, low stroke frequency and high pressure to inject the sludge into the abandoned layer of the oil field, therefore, the treatment problem of oilfield exploitation sludge is solved, and simultaneously the sludge is returned to underground, thus realizing recycling of petroleum resources in the sludge, enhancing the petroleum recovery rate of the oil field, and changing the waste petroleum exploitation sludge into things of value.

Systems, apparatus and methods are provided through which an injector system automates a process of injecting an individual dose from a multiple dose of a radiotracer material. In some embodiments, the injector system includes a first dose calibrator system that receives a multidose vial of a radiotracer, a second dose calibrator system, an injection pump and an intravenous needle. In some embodiments, the first dose calibrator system and the multidose vial have an integrated shape. In some embodiments, the first dose calibrator system includes a pneumatic arm that receives the multidose vial.

An apparatus for producing electrolyzed water includes an electrochemical cell and a solution reservoir containing a solution and having an outlet. An injection pump has an input end in fluid communication with the outlet of the solution reservoir and an output end in fluid communication with the electrochemical cell, wherein the injection pumps an amount of the solution from the solution reservoir to mix with a water solution and enter the electrochemical cell. A current feedback sensor senses a cell current in the electrochemical cell. A current control unit in data communication with the current feedback sensor and the injection pump wherein the current control unit compares the cell current with a preselected current and adjusts the amount of solution pumped from the injection pump responsive to the comparison. The apparatus may also include an automatic control feedback system to monitor and adjust pH.

The present invention relates to a turbocharged internal combustion engine (ICE) system having fast response to increased power demand and reduced response time lag. The system includes a vortex tube for delivering cold air into the turbocharger compressor where it may be used to cool the impeller, and/or accelerate the impeller rotational speed, and/or favorably shift the compressor surge line at low speeds and high loads. Cold air from the vortex tube may be also used to operate an ejector pump in the intake duct which further compresses intake air and increases engine charge weight during periods of high power demand. In addition to increasing engine output power, delivery of cold air into engine intake also reduces engine pre-ignition (knocking) thereby reducing emissions. The invention also relates to a method for operating a turbocharged internal combustion engine.

The invention belongs to safety equipment for a nuclear power plant, in particular to a passive and active combined special safety system for the nuclear power plant. The system comprises a passive high-pressure core water supply tank, an accumulator, a low-pressure safety injection pump, a refueling water tank, a secondary-side passive residual heat removal heat exchanger, a vapor condensation water tank, a containment spray system, a passive reactor cavity water injection system, related valves and related pipes. When the nuclear power plant has a design basis accident or beyond design basis accident, through a series of passive and active safety facilities used in all steps, the circuit of a reactor and the core can be cooled effectively, so that the nuclear power plant can enter a safe cold shutdown condition smoothly; and thus, the serious accident consequence of the reactor is inhibited or relieved, damage caused by accidents is relieved, and the safety of the nuclear power plant is improved.

A system for achieving a boundary layer control by sucking at least a portion of the boundary layer air flow through perforated or porous suction areas on the outer skin of the wings or other areas of the aircraft, includes one or more jet pumps (7) arranged in the bypass engine (5) of the aircraft, and a system of suction conduits (4) connecting the jet pumps (7) to suction channels (3A) communicating with the perforated or porous suction areas (3). Each jet pump (7) includes an ejector pipe (101) that is driven by an external surrounding driving jet (8) or by an internal driving jet (8) flowing through an internal jet pipe (15). The jet pumps (7) are arranged at selected locations in the air intake upstream of the fan, in the bypass channel (18) just downstream of the fan, in the bypass channel near the outlet end thereof, in the core hot gas channel (19) upstream of a compressor assembly, and/or in the core channel downstream of a turbine assembly. The jet pumps (7) provide an efficient, maintenance-free, reliable, and easily installable suction generator system.

A multi-channel loading device comprises a beam, a plurality of sampler injector fixing rods are arranged on the beam, a sample placing pad is arranged below the beam, each sampler fixing rod is provided with a sampler comprising a sampling pin which is hollow and arranged vertically, the lower part of each sampling pin is intercalated with a suction end, each sampling pin is arranged on an injection pump base and connected with an injection pipeline in the injection pump base, each injection pipeline is respectively provided with a pressure sensor used for measuring the pressure in each injection pipeline, the upper part of each injection pump is provided with a push-and-pull rod inserted into a solution cavity vertically, the top of each push-and-pull rod is connected with a leadscrew nut which is rotationally mounted on a leadscrew vertically. The invention aims at providing the multi-channel sampling device with high accuracy and good stability of solution suction and separation, strong adaptability and capacity in reducing and avoiding cross infection among samples.

A system for injecting a fluid into a formation including a fluid, and at least one injection pump configured to receive the fluid, the at least one pump including a centrifugal pump having at least two stages configured to increase the pressure of the received fluid is disclosed. The system further includes a drive device coupled to the injection pump. A method of injecting a fluid downhole including providing a fluid to an injection pump, the injection pump including a centrifugal pump having at least two stages, pumping the fluid through the at least two stages of the centrifugal pump, thereby increasing the pressure of the fluid, and injecting the fluid from the injection pump into a wellbore is also disclosed.

A fuel cell system comprising a fuel cell stack, a fuel recirculation line provided with a jet pump and a valve controlled by a control unit based on the anode-cathode pressure differential such that the valve is closed to reduce or stop fuel supply when the anode-cathode pressure differential reaches a predetermined value, and opened again to circulate more fuel through the jet pump when the pressure differential is below a predetermined value, to create a pulsed fuel supply that improves the fuel recirculation at low loads and ensures adequate water removal from the anode flow field channels.

A fuel delivery system for delivering fuel from a fuel tank to an engine includes a reservoir disposed within the fuel tank and a fuel pump, such as an electrically driven fuel pump, operable to draw fuel from within the reservoir. The fuel pump has a first port and a second port that independently discharge the fuel from the fuel pump. A first jet pump is operable to draw the fuel within the fuel tank into the reservoir. A first flow path communicates between the first port and the engine. A second flow path communicates between the second port and the first jet pump, so that the fuel within the fuel tank is transferred into the reservoir due to the flow of the fuel supplied to the first jet pump via the second flow path.

The invention relates to a system and method for a visualization fracturing simulation experiment. According to the technical scheme, the system comprises a visualization fracturing simulation experiment device, a pressure control module and a data acquisition module, wherein the visualization fracturing simulation experiment device is a square container, the pressure control module comprises a servo control injection pump, a confining pressure pump and the like, and the data acquisition module comprises a pressure data recorder and a high-definition high-frequency vidicon. Through combination of the visualization fracturing simulation experiment device and transparent specimens, crack initiation characteristics and expanding dynamic states of hydraulic fractures in interiors of the experiment specimens can be clearly known by researchers, and study of crack initiation mechanisms and expanding rules of the hydraulic fractures are deepened. According to the experiment method, crack initiation and expanding dynamic state videos of the fractures can be obtained, crack initiation and the expanding rules of the fractures can be clearly showed, storage of video data is simple, spreading is convenient, and the method can help the researchers to exchange experiment achievements across regions.

A new approach is disclosed for measuring the pressure of tight gas reservoirs, using information obtain from continuous injection prior to hydraulic fracture stimulation. The technique can be obtained utilizing either bottom-hole or surface pressure gauges and properly instrumented surface injection pumps. The analysis is completed by plotting injection and rate data in a specialized form from terms arranged in Darcy's radial flow equation to obtain a curve or trend. The key component to proper application of this technique is to obtain both baseline and one or more calibration data sets. These calibration data sets are obtained by either increasing or decreasing the injection pressure and/or rate from the baseline data. Initial reservoir pressure is assumed, but the calibration data indicates if the guess was too high or low. Accurate estimates of reservoir pressure may be obtained in a few iterations.

A fuel cell system includes a primary fuel line to the fuel cell assembly, a jet pump in the primary fuel line and adapted to be driven by the flow of primary fuel, the jet pump having a nozzle, an entrainment chamber downstream of the nozzle and a mixing tube downstream of the entrainment chamber, a fuel exhaust recycle line from the fuel cell assembly opening to the entrainment chamber for supply of fuel exhaust thereto, and a mass flow control device in the primary fuel line upstream of the jet pump for controlling the primary fuel flow rate to the jet pump. The nozzle of the jet pump has an adjustable cross-sectional area to provide a variable area flow of the primary fuel so that the ratio of fuel exhaust entrained by the primary fuel in the entrainment chamber can be varied.

A crankcase ventilation system for an internal combustion engine has a jet pump suctioning scavenged separated oil from the oil outlet of an air/oil separator and pumping same to the crankcase.

The present invention provides a fuel delivery system for a saddle fuel tank wherein a fuel pump and a jet pump are positioned within an active side of the tank. The jet pump is directly driven by the fuel pump to draw the fuel from a passive side of the tank to the active side of the tank.

The invention relates to a method for combined synthesis of molecular engram microspheres through a micro-fluidic reactor, which is characterized in that a micro-fluidic reactor system comprises a fluid drive unit (an injection pump group), a liquid droplet or milk droplet forming unit and an ultraviolet illumination and polymerization unit, wherein the micro-fluidic reactor comprises n groups of '*'-shaped microchannels with the same structure, and can simultaneously prepare the molecular engram microspheres under n conditions or prepare the molecular engram microspheres of n template molecules; and dispersed phases and continuous phases are driven by injection pumps to enter respective microchannels and form milk droplets when encountering each other on crossings of the microchannels, and the prepared milk droplets arrive at the ultraviolet illumination unit for polymerization reaction.

The invention provides a low-melting-point metal multi-dimensional structure liquid phase printing system. The low-melting-point metal multi-dimensional structure liquid phase printing system comprises an injection pump array, an injection needle array, a liquid metal tank, a thermostat, a thermostatic bath and a control unit. The injection pump array includes m*n of injection pumps and an inlet of every injection pump is connection with the liquid metal tank. Injection needles are perpendicular to the thermostatic bath and liquid inlets of the injection needles are connected to outlet ends of the injection pumps respectively. The control unit is connected to the injection pump array. A low-melting-point metal multi-dimensional structure liquid phase printing method uses the smart control mechanism of fluid for applying effective buffer, crushing and buoyancy actions to liquid metal injection droplets, and the liquid cooling treatment more efficient than a traditional gas cooling mode can be provided for enabling liquid metal injected into a liquid phase environment to be quickly solidified due to the large heat capacity, so that short-time forming of a multi-dimensional structure is achieved, and meanwhile the oxidation not easy to avoid in a traditional method is reduced.

An in-line grinder has been developed which can be configured to perform in a variety of applications through the use of an adjustable rotor/stator assembly, removable shear bar, and a variety of interchangeable stator-rotor configurations. A unique drive system utilizing a mechanical seal cartridge provides maximum sealing with a minimum of shaft deflection and run-out, thereby improving performance. These improvements collectively allow the grinder to be configured for optimum sizing of solids to a predetermined particle size for a broad range of materials. It has been demonstrated that a class of in-line grinders such as that described herein is applicable for sizing drill cuttings for injection into a subsurface formation by way of an annular space formed in a wellbore. The cuttings are removed from the drilling fluid, conveyed to a shearing and grinding system that converts the cuttings into a viscous slurry with the addition of water and viscosity enhancing polymers. The system in its simplest form comprises a slurry tank, a pump, and the instant in-line grinder. The pump circulates the mixture of cuttings, water including sea water and chemicals between the slurry tank and the in-line grinder. The ground mixture leaving the in-line grinder is then routed to an injection pump for high pressure injection into the formation.

The invention discloses a device and a method of preparing an electrostatic spinning polymer/inorganic particle nano-composite film. The device of preparing the electrostatic spinning polymer/inorganic particle nano-composite film comprises an injector, an injection pump, a dipping tank, a receiving roller, a motor, a high-voltage power supply and a polymer spinning liquid storage tank. The preparation method comprises a step of preparing the electrostatic spinning polymer/inorganic particle nano-composite film by adopting a method of preforming electrostatic spinning while carrying out dipping adsorption, inorganic nano-particles are attached on the surfaces of the fibers, an ultra-strong adsorption character of inorganic nanometer materials is fully exerted, and on-line continuous preparation of the electrostatic spinning nano-composite film is realized with a simple operation process. In addition, an optional range of impregnation liquid is flexible, different inorganic nano-particles can be adsorbed on the electrostatic spinning film according to the actual requirement, so that all kinds of functional nano-composite films can be prepared, and the application range is wide.

The invention discloses a full-automatic nucleic acid extraction machine which comprises a machine body, a workbench, a swing mechanism, a suction-injection gun head, a pressurization gun, a transmission mechanism and a controller, wherein the machine body at least comprises a rack; a test tube placing hole position, a suction nozzle placing hole position, a filter hole position, a cracking hole position, a finished product collection hole position and a waste suction nozzle recycling slot are formed in the workbench; the swing mechanism is used for driving the workbench to reciprocate relative to the rack; an opening at the upper end part of the suction-injection gun head is connected with an injection pump, and the lower end part is matched with a suction nozzle; an opening at the upper end part of the pressurization gun is communicated with a pressurization device, and an air outlet is formed in the lower end part; the transmission mechanism is used for driving the suction-injection gun head and the pressurization gun to move along the length direction and height direction of the machine body; and the controller is used for controlling the transmission mechanism and the swing mechanism. The nucleic acid extraction machine disclosed by the invention can realize automatic suction and injection of samples and reagents, thus improving the working efficiency; and moreover, during filtration, positive pressure is applied to a filtering tubular column by the pressurization gun, the filtering time is shortened, and the nucleic acid extraction efficiency is further improved.

A fluid processing device for processing a multiphase fluid stream including a mixture of at least a gas and a liquid is disclosed. The fluid processing device may include at least one separator configured to separate the fluid stream into a liquid portion and a gaseous portion and deposit the liquid portion into a liquid reservoir. The gaseous portion may be directed to a compressor configured to pressurize and discharge a pressurized gas into a fluid discharge line. A portion of the pressurized gas may be further pressurized and directed to at least one ejector pump fluidly coupled to the liquid reservoir and configured to draw in liquid and discharge pressurized liquid into the fluid discharge line.

A fuel system has a jet pump assembly that fills a fuel reservoir for providing a reliable source of fuel to an electric motor fuel pump located in a fuel tank for a combustion engine. The electric fuel pump preferably delivers fuel at a controlled pressure to a series of fuel injectors of the engine. A small portion of the fuel exiting the electric fuel pump is diverted to the jet pump assembly that aspirates fuel from the fuel tank and into the reservoir. A biased normally closed pressure responsive valve prevents fuel flow to the jet pump when the electric fuel pump is running under impaired conditions, thus providing all the fuel to the combustion engine typically during cold engine start conditions.

The invention is a method for implementing high-water content well same-well injection production by multi-cup uniform-flux underground oil-water separator, characterized in: using multi-cup uniform-flux underground oil-water separator to make the produced liquid from the extracted bed automatically deposit when underground flowing through the separator, after the oil and water are separated from each other, using two lifters to lift and reinject through the respective independent flow channels and the two lifter are respectively called extraction pump and injection pump, the produced liquid with low water content is lifted by the extraction pump through the flow channel of the extraction pump up to the ground and the produced liquid with higher water content is reinjected by the injection pump through the flow channel of the injection pump into the injection bed. And it can perfectly complete underground separation of oil and water, implement economic and effective extraction for high-water content wells and implement water injection for other oil beds in the same well site at the same time.

A device and system for dispensing medical active ingredients. Medical active ingredients may be, e.g., drugs or anesthetics, which enter the patient's bloodstream. Injection pumps and perfusors are usually used for their dispensing, and vapors are frequently used in the case of inhalation anesthetics. The device permits the dispensing of a plurality of medical active ingredients, in which the rates of dispensing can be set precisely and changed with rapid action. This is accomplished by the series connection of a plurality of devices according to the present invention, which are designed as modules. Each module comprises a cartridge (6) as well as a delivery device (8) for delivering the particular medical active ingredient to be administered to a fluid interface (18), which leads to a supply line (16) designed either as an infusion line or as a respiration tube. The module has a coupling means (9, 10, 11, 12).

The present invention relates to a movable single unit system of fertilizer injection and pesticide spraying; the present invention comprises a machine frame; land wheels equipped at the bottom of the machine frame; a fertilizer/pesticide bucket for containing fertilizer or pesticide; a pressure pump which is connected with the fertilizer/pesticide bucket by a first controllable valve; to pressurize the injected pesticide and is connected with a water inlet joint by a fourth controllable valve to pressurize the injected water and is connected with a nozzle to spray the pressurized pesticide; a fertilizer injection pump which is connected with the fertilizer/pesticide bucket by the first controllable valve and connected with a flow sensor and the pressure pump by a third controllable valve and also connected with a water outlet joint to mix the water injected from the pressure pump and fertilize injected from the fertilizer/pesticide bucket and to spray the mixture from the water outlet joint; a controller used for controlling the opening and closing of the controllable valves and the stop of the pressure pump. The device can be moved conveniently which solves the problem that the water pressure of drip irrigation is low; the efficiency is low and additional fertilizer can not be applied on the seedling stage; at the same time the device is characterized by the functions of fertilizer injection and pesticide spraying.

A subsea well assembly has a string of casing with perforations leading to a producing zone and perforations leading to an injection zone. A string of production tubing extends into the casing in communication with the producing formation. A barrier separates the interior of the tubing from the injection zone formation. A subsea Christmas tree is located at the upper end of the well. A subsea separator is connected to a production outlet of the tree for separating waste fluid from the well fluid. A subsea injection pump pumps waste fluid from the separator back to the tree and into the injection formation.

The invention provides a rock core measuring system and method. The system comprises a core holder, an injection pump, a suction pump, a pressure difference sensor and a resistivity measuring unit, wherein the injection pump is connected with a fluid injection port of the core holder and used for displacing a non-wetting phase entering into a to-be-measured rock core fixed in the core holder at a constant speed; the suction pump is connected with a fluid output port of the core holder and used for collecting the original fluid which is in the to-be-measured rock core and is displaced out from the to-be-measured rock core; two ends of the pressure difference transducer are connected with the fluid injection port and the fluid output port respectively, and the pressure difference transducer is used for measuring the pressure difference of fluid at the two ends of the to-be-measured rock core in the displacement process of the to-be-measured rock core; the resistivity measuring unit is connected with the to-be-measured rock core and used for measuring the resistivity of the to-be-measured rock core in the displacement process of the to-be-measured rock core. The system and the method provided by the invention solve the technical problems that when a constant-pressure difference method is adopted for measuring a rock core, the resistivity of the rock core and the information of a pore connected with a throat can not be determined at the same time, and the number of obtained data points is small; meanwhile, the measurement period is shortened compared with that of the constant-pressure difference method.

The present application provides an apparatus and a method for measuring apparent permeability of a tight rock core, the apparatus comprises: a rock core holder, a first high-pressure injection pump, a second high-pressure injection pump, a micro-differential pressure meter, a micro-flow meter, a first pressure control unit, a second pressure control unit, a first valve, a second valve, a third valve, and a fourth valve; the first pressure control unit comprises: a first pressure-resistant piston container and a second pressure-resistant piston container, both of which are divided into an upper cavity and a lower cavity by a piston, the upper cavities of the first pressure-resistant piston container and the second pressure-resistant piston container are filled with gases and communicate with each other, and the lower cavity of the first pressure-resistant piston container is filled with pump pressure-transmission liquids, and the lower cavity of the second pressure-resistant piston container is filled with experimental fluids.

A device for pumping fuel out of a reservoir (10) to the internal combustion engine (12) of a motor vehicle has a jet pump (24), which pumps fuel, returning in a return line (22) from the engine (12), into a reserve container (14) of a fuel pumping unit (16) along with fuel located in the reservoir (10). According to the invention, an intake window (36) is provided, which is located above the propellant stream (38) of the jet pump (24), so that a storage chamber (46) for fuel returning from the reserve container (14) is embodied.

The invention provides a two-dimensional microcosmic visual thickened oil replacement simulation experiment system and a use method thereof. The two-dimensional microcosmic visual thickened oil replacement simulation experiment system comprises a microcosmic simulation experiment device, a visual data acquisition device, a support device, a multivariate thermal fluid injection device, a confining pressure tracking device and a metering device, wherein the microcosmic simulation experiment device comprises a heating jacket, a clamper and a plate glass microcosmic model; the visual data acquisition device comprises a microscopic shooting device and a computer; the multivariate thermal fluid injection device comprises an ISCO injection pump, an oven and a replacement medium intermediate container, a water intermediate container, a thickened oil intermediate container, a first heat traced pipeline and a bypass pipeline; the confining pressure tracking device comprises an annular pressure tracking pump, an annular pressure tracking pump pressure meter, a vacuum pump and a first vacuum valve. The two-dimensional microcosmic visual thickened oil replacement simulation experiment system give full consideration to characteristics of the thickened oil reservoirs, provides convenience for research on a thickened oil replacement mechanism through microcosmic experiments, has the advantages of low experiment cost, high work efficiency and the like, and can meet with demands on development and research of the thickened oil reservoirs.