317 results about "Liquid jet" patented technology

The invention provides additive manufacturing equipment and method for a magnesium alloy liquid continuous injection molding annular part, and mainly relates to the field of metal material additive manufacturing equipment. The invention discloses additive manufacturing equipment and method for a magnesium alloy liquid continuous injection molding annular part, and the additive manufacturing equipment comprises a crucible smelting assembly arranged in an upper vacuum cavity, a liquid injection printing assembly which is arranged in a lower vacuum cavity and communicates with the crucible smelting assembly, and a controller. A three-dimensional motion platform located below the liquid jet printing assembly is arranged in the lower vacuum cavity, and an annular mold with an opening in the top face is arranged at the top of the three-dimensional motion platform. The device has the beneficial effects that the hollow graphite ring piece and the nozzles distributed in an annular array mode are adopted, uniform spraying of magnesium liquid to the annular mold is achieved, the forming efficiency and the quality stability are improved, and the device is particularly suitable for manufacturing large-diameter annular pieces.

Provided herein are shaped-charges having curved walls to provide better controllable and improved liquid jet parameters. The shaped-charge comprises a container having a plurality of curved walls for containing a liquid. One or more explosive charges are immersed in the liquid and a detonator channel positioned through the container wall to controllably detonate the one or more explosive charges and from a wedge-shaped liquid jet. Multipoint initiation is achieved using a number of initiation points; a location of one or more initiation contact points with the geometrically-shaped explosive charges; and / or an initiation timing of each of the initiation contact points, including simultaneous initiation or a sequence of initiations. Also provided are related methods of forming liquid jets and attendant applications, including target disruption.

To provide a liquid jet head which is prevented from deteriorating in reliability, and a liquid jet device.SOLUTION: The liquid jet head comprises: a head module including a flow passage opening forming member and a chip; a supply flow passage member that supplies liquid to the head module; an elastic seal member that liquid-tightly connects the flow passage opening forming member to the supply flow passage member; and a fixing member fixing the supply flow passage member to the flow passage opening forming member. A seal region held by the flow passage opening forming member and the supply flow passage member of the seal member overlaps with the chip when viewed in a jetting direction. A dimension in the jetting direction of a portion overlapping with the seal region, of the flow passage opening forming member, is larger than a distance between the seal region and the fixing member when viewed in the jetting direction.SELECTED DRAWING: Figure 5

To provide a head chip that can suppress a driving electrode from being disconnected and is excellent in reliability over the long term, a liquid jet head, a liquid jet recording device, and a head chip manufacturing method.SOLUTION: A head chip according to one embodiment described in the disclosure comprises: a pressure chamber in which liquid is stored; a chip main body having a driving part arranged at a portion facing the pressure chamber; a driving electrode formed on the driving part; and driving wiring formed on the chip main body to connect the driving electrode to external wiring. The driving wiring comprises a first wiring part which has a first region and a second region, connected in an extending direction of the driving wiring to the first region, whose cross sectional areas in a direction orthogonal to the extending direction are smaller than cross sectional areas of the first region, and a second wiring part leading, in a direction crossing the extending direction, at least to the second region.SELECTED DRAWING: Figure 7

The invention provides a spray type water working medium quasi-saturated compression high-temperature heat pump system, and belongs to the field of compression heat pumps. The problems that in the water vapor compression process, the exhaust degree is large, and large-amplitude temperature rise flexible heat supply is difficult to achieve are solved. The system comprises a condenser, an expansion valve, a liquid storage tank, an evaporator, a compressor, an atomization buffer tank, a gas-liquid jet atomizer and a regulating valve, the atomization mode comprises a gas-liquid ejector atomization mode, a high-pressure condensate + atomization nozzle mode or an atomization high-pressure pump + atomization nozzle mode, and is used for preparing atomized liquid drops with the particle size of 50-500 nm for quasi-saturation compression; or single-stage compression is further optimized into a two-stage compression form, so that higher heating temperature and more stable system operation are realized. The micro-nano spraying technology is utilized, the mass fraction of liquid in mixed airflow is always kept between 5% and 10%, heat conversion in the system can be achieved, and through multi-stage continuous phase change cooling, the superheat degree of compressed exhaust is effectively reduced, and compression power consumption is reduced.

Systems and methods for using a liquid jet apparatus for dental treatments are disclosed. In one implementation, the liquid jet apparatus may include a handpiece configured to deliver a high velocity liquid jet to a desired location in the mouth of a patient. The handpiece may include a positioning member having a channel through or along which the jet can propagate. The positioning member may have a distal end portion configured to be at least partially disposed in a pulp cavity, canal space, or opening in the tooth under treatment. During operation, the jet may impact an impingement surface of the distal end portion of the positioning member and be deflected as a spray through one or more openings in the distal end portion. The liquid jet apparatus may be used for root canal treatments.

The present disclosure relates to abrasive material delivery systems for liquid jet cutting systems. The abrasive material delivery systems can include a valve configured to adjust an inflow of abrasive material into the abrasive material delivery system from a source of abrasive material. The systems can include a chamber downstream of the valve and configured to receive the inflow of abrasive material from the valve. The systems can include a metering component configured to control an outflow of abrasive from the chamber to a cutting head of the liquid jet cutting system. In some embodiments, the systems include a sensor configured to monitor movement of a top surface of a portion of abrasive material within the chamber as the top surface moves through the chamber; and a processing device operably connected to the sensor and configured to determine an abrasive flow rate through the metering component based on a speed of the top surface as monitored by the sensor.

The invention relates to a jet type liquid cooling heat dissipation device for an electronic chip and a working method of the jet type liquid cooling heat dissipation device. The device comprises a chip carrier provided with an electronic chip, a base, a jet flow guide plate, a backflow collection plate, a cover plate and a connector, the base is installed on the chip carrier in a sealed mode, and the jet flow guide plate, the backflow collecting plate and the cover plate are sequentially stacked and mutually connected in a sealed mode and are integrally fixed to the base. A first through hole and a second through hole are formed in the position, above the electronic chip, of the jet flow guide plate, a cooling liquid through hole and a cooling liquid guide hole are formed in the backflow collection plate, and a first cooling liquid connector and a second cooling liquid connector are formed in the cover plate. Compared with the prior art, through the collaborative design of the jet flow guide plate and the backflow collection plate, cooling liquid directly impacts the surface of an electronic chip in a high-speed jet flow mode, and therefore the local heat exchange efficiency is remarkably improved; and meanwhile, a backflow path is optimized, flowing resistance is reduced, high heat exchange performance and low pressure drop are both considered, and the heat dissipation device is suitable for efficient heat dissipation of high-heat-flux electronic chips.

Apparatus for cleaning a surface with a liquid jet, the apparatus having: a main housing; a primary fluid conduit having a longitudinal axis and two ends, a fluid-intake end and a fluid-exit end; a gear assembly configured to engage the primary fluid conduit and rotate the primary fluid conduit about the primary-fluid-conduit longitudinal axis; a nozzle connected pivotally to the pivot pin; the hydraulic cylinder mounted to the main housing and configured to move the hydraulic-cylinder rod along a linear path by exerting a unidirectional force upon the first end of the hydraulic-cylinder rod; the hydraulic-cylinder rod positioned within the fluid conduit and the second end of the hydraulic-cylinder rod pivotally connected to the nozzle; and the nozzle configured to pivot about the pivot-pin longitudinal axis as the hydraulic-cylinder rod moves along the linear path.

There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of achieving a reduction in size in a direction perpendicular to the ejection direction while ensuring the desired ejection performance. The head chip according to an aspect of the present disclosure includes a first ejection section, a jet hole plate arranged at a first side in a first direction of the first ejection section, a return plate which has a plurality of first communication channels configured to individually communicate a plurality of first jet channels and a plurality of first jet holes with each other, and which is arranged between the first ejection section and the jet hole plate in the first direction, and a flow channel plate which has a plurality of first connecting channels individually communicated with the plurality of first communication channels to constitute first return channels together with the corresponding first communication channels, and a manifold communicated in a lump with the plurality of first connecting channels, and which is arranged at a second side in the third direction of the first ejection section.

The invention relates to a device for wrapping a liquid jet (70) widening in a fan shape with an air flow. The device (14; 154, 154; 204) has a housing (16; 204) with a through-channel (18); 206, 206; 252) having an inlet section (28) and an outlet section (30), the outlet section (30) extending to the outlet opening (24) and widening in a fan-shaped manner in the beam plane (34) with gradual approach to the outlet opening (24), and wherein the device has a nozzle carrier assembly (36) which sinks into the inlet section (28) and is surrounded by an air delivery chamber (100), the nozzle carrier assembly has a nozzle carrier part (38) which forms a liquid inlet channel (42) and has a first end region (46), at which a flat jet nozzle (12) can be detachably mounted. In order to further improve the device in such a way that the flat beam nozzle (12) can be mounted on the nozzle carrier part (38) in an operable manner, the invention proposes that the device has an orientation and locking device (78; 172) for orienting and locking the flat beam nozzle (12) in a predetermined rotational position relative to the beam plane (34) of the output section (30). The invention further relates to a liquid dispensing device (10, 150, 200, 230, 250) having such a device and a flat jet nozzle.

Described is a container rotating device for use in handling bulk material, comprising: a frame attachable to a wharf crane or other lifting device; a container rotating mechanism assembled to the frame and configured to selectively engage with the container and rotate the container to dump contents of the container; and the arrangement of liquid jet outlets is mounted on a device for generating liquid jets to suppress dust during tilting operation of the container.

An apparatus for sterilizing a liquid comprises a container having an inlet, an outlet and an interior with an outer wall, and a light source adapted to emit radiation in the ultraviolet wavelength range through the outer wall into the interior, the outer wall being partially transparent. The inlet comprises an opening, positioned in relation to the outer wall of the interior and the light source in order, when a pressure is exerted on the liquid to be admitted through the opening and to be sterilized, to form a liquid jet directed onto the outer wall in a region of the light source, above the latter, and / or to form a liquid film there. The liquid jet impinging on the outer wall may flow down thereon as a thin liquid film in front of the light source and thereby effectively sterilized even with a low penetration depth of the UV radiation.

The invention relates to the technical field of tailings treatment, and discloses a tailings pretreatment device for mine filling and a treatment method thereof.The tailings pretreatment device comprises a bottom plate, and a stirring assembly and a mounting frame are arranged on the two sides of the top of the bottom plate correspondingly; the stirring assembly comprises a mixing tank for storing tailings, a stirring paddle for stirring and a speed regulating motor for driving the stirring paddle to rotate; the device further comprises a gas-liquid jet flow tailing dynamic suspension mechanism. An air compressor operates to distribute high-pressure air to a two-fluid mixing spray head through a connecting pipe and an annular air conveying pipe, the high-pressure air is sprayed into a mixing tank in an annular jet flow mode, and tailings deposited at the bottom of the tank are subjected to dynamic suspension disturbance; and the liquid flows to the two-fluid mixing spray head through the transfer box, the one-way valve pipe and the liquid conveying pipe in sequence and is mixed with high-pressure gas to form atomized liquid drops, the atomized liquid drops penetrate through gaps of tailings, and the problems that traditional sprayed chemicals are not uniform and the bottom is hardened are solved.

A head chip, a liquid jet head, a liquid jet recording apparatus, and a method of manufacturing a head chip each capable of preventing an occurrence of an unwanted processing residual due to laser processing are provided. The head chip according to an aspect of the present disclosure includes a flow channel member which includes a recess formed of a first laser irradiation trace, and in which a liquid circulates in the recess, and a bonded member which is bonded to the flow channel member so as to close the recess. The flow channel member is provided with a second laser irradiation trace extending along an opening edge of the recess.

The invention provides casting post-processing equipment and a casting post-processing method, and belongs to the technical field of casting processing. The casting post-processing equipment comprises a workbench suitable for bearing a casting body and conveying the casting body to a preset work area; the vibration desanding mechanism is distributed in the vibration desanding area and is suitable for applying vibration force to the casting body so as to realize dry desanding of the casting body; the casting cleaning mechanism is distributed in the casting cleaning area and is suitable for performing liquid jet cleaning on the casting body; and the riser cutting mechanism is distributed in the riser cutting area and is suitable for performing riser sawing on the casting body. The automatic post-processing of dry type sand removal, residual sand cleaning and dead head cutting of a casting can be continuously completed on single equipment, only one-time clamping is needed, the production efficiency is improved, and the procedure turning sequence and manual intervention are reduced.

The utility model relates to the technical field of flushing devices, and discloses a drainage flushing device for liver and gall treatment, which comprises a supporting plate, a drainage barrel is fixedly connected to the middle of the upper surface of the supporting plate, a driven rod is rotatably connected to the middle of the upper surface of the drainage barrel, and a circulation cavity is formed in the lower end of the interior of the driven rod. A plurality of liquid spraying heads are connected to the edge of the lower surface of the driven rod in a penetrating mode, a plurality of brush rods are fixedly connected to the lower end of a rod body of the driven rod, a plurality of brushes are fixedly connected to the outer walls of the opposite sides of the brush rods, and the brushes are attached to the inner wall of the drainage barrel. When the drainage flushing device for liver and gall treatment is used, cleaning liquid in the liquid storage box is pumped by starting the draw-off pump, the cleaning liquid is conveyed into the circulation pipe through the liquid outlet end and conveyed into the circulation cavity in the driven rod through the circulation pipe, the cleaning liquid is sprayed out through the cooperation with the multiple sets of rotary liquid spraying heads, the drainage barrel can be automatically cleaned, and the cleaning efficiency is improved. The cleaning efficiency is improved.

To provide a liquid ejecting head and a liquid ejecting apparatus in which a cover can be used in common in accordance with the specification of the liquid ejecting head.SOLUTION: The liquid jet head includes a liquid jetting part Hc for jetting a liquid, a flow channel member 150 communicating with the liquid jetting part Hc, a relay substrate 160 electrically connected to the liquid jetting part Hc, and a cover 170 which houses at least one of the flow channel member 150 and the relay substrate 160 inside and can expand and contract in a height direction.SELECTED DRAWING: Figure 4

A failure in conduction due to broken line of an electrode formed in a non-jet channel is suppressed to enhance the reliability of driving. A head chip includes an actuator plate in which ejection channels filled with ink and non-ejection channels not filled with the ink each extend in a Y-axis direction, and are alternately formed across a drive wall in an X-axis direction, a common electrode formed on an inner surface of the ejection channel, and an individual electrode formed on an inner surface of the non-ejection channel, wherein a first principal surface facing to a −Z side in the actuator plate includes an individual electrode feeding part disposed at a −Y side of a first opening and configured to supply drive power to a pair of individual electrodes located across the ejection channel in the X-axis direction, and a bypass interconnection disposed at a +Y side of the first opening, and configured to couple the pair of individual electrodes to each other.

The invention discloses an efficient reverse circulation high-pressure composite cutting drilling machine, and belongs to the technical field of pile machines. The drilling machine comprises a main machine chassis, a main machine rack, a sliding base, a hydraulic rotary driver, a hydraulic lifting driver, a hydraulic centralizer, a multi-channel rotary flow divider and a drilling tool, the drilling tool penetrates through the hydraulic rotary driver and is in transmission fit with the hydraulic rotary driver, and vertical drilling of the drilling tool is guaranteed through the hydraulic lifting driver and the hydraulic centralizer. Perpendicularity adjustment of the drilling tool is facilitated, and the drilling efficiency is higher; and the drilling driving mechanism can slide, so that subsequent construction of the cast-in-situ bored pile is facilitated. In addition, high-pressure and low-pressure circulating liquid jet flow is used for cutting the soil body, high-pressure air is matched for carrying circulating liquid and drilling slag to be discharged outwards, the cutting and crushing efficiency of the soil body is improved, the discharging efficiency of the drilling slag with large particles is greatly improved, and the drilling efficiency is greatly improved. And meanwhile, positive pressure is kept in the drilled hole through high-pressure air, the stability of the hole wall is improved, and the drilling depth is remarkably increased.

An X-ray source is provided comprising a target generator configured to generate a liquid jet having an elongated cross with a major axis and a minor axis; an electron source configured to generate an electron beam arranged to interact with the liquid jet in an interaction region to generate X-ray radiation; and an X-ray transparent window arranged to transmit X-ray radiation generated in the interaction region, wherein the X-ray transparent window is located for extraction of X-ray radiation at an angle α relative to the major axis; wherein the target generator is configured to generate the liquid jet such that said jet has a thickness at the interaction region, along a propagation direction of the electron beam, that is less than an electron penetration depth of the electron beam in the liquid jet. A corresponding method for generating X-ray radiation is also provided.

The application discloses a kind of balanced cutting adaptive control method, system and numerical control lathe, belong to numerical control machine tool technical field, solve double-spindle double-tool turret numerical control lathe in double-tool turret balanced cutting finishing stage, because of cutting fluid impact, servo response difference and temperature gradient cause cutting force-thermal deformation coupling vibration, lead to surface finish deteriorate, while conventional detection cannot be identified, finally cause precision parts batch scrapping problem.It includes the following steps: initialization and reference calibration step, determine the fixed parameters required for algorithm operation and store in numerical control system parameter table.The application is by collecting double-tool turret servo current and decoupling into high-frequency component and low-frequency component, using high-frequency component to adjust feed rate, using low-frequency component to offset radial position, to cut off the positive feedback coupling chain between cutting force fluctuation, chip shape change, cooling liquid jet deflection, temperature field distribution change and cutting depth fluctuation, suppress non-periodic dynamic vibration response, avoid machining surface finish deterioration.

The application discloses a micro-bubble generating method and device. The micro-bubble generating method and device utilize high-speed liquid jet impact on gas and the binding effect of a rotary body structure on bubbles, so that the bubbles are frequently sheared and broken by the liquid jet to generate a large amount of micro-bubbles. Meanwhile, the wall jet formed by the high-speed liquid jet impact on a flat plate promotes the uniform dispersion of the micro-bubbles. The micro-bubble generating method and device have the advantages of simple structure, good micro-bubble generating effect, large gas processing capacity, low energy consumption and good bubble dispersion and mixing effect.

The invention discloses a lithium battery energy storage system fire-fighting method based on multi-stage cooperative detection and fixed-point spraying, which comprises the following steps: firstly, acquiring battery cell temperature, concentration of hydrogen, CO and oxygen in a module and infrared thermal imaging data in a cabin, then judging whether the working state of the current energy storage system is normal or not by a BMS (Battery Management System) by analyzing the data acquired by a composite detection system, and if not, judging whether the working state of the current energy storage system is normal or not; if yes, grading is carried out according to predefined fire-fighting grades, and fire-fighting instructions corresponding to the corresponding fire-fighting grades are issued to the master control PLC; if the response is the first-level response, local strong exhaust is started, low-concentration cooling mist is sprayed to the target PACK, and sound-light alarm (yellow lamp flickering) is carried out; if the response is the second-level response, a ventilation system is closed, perfluorohexanone liquid jet and sound-light alarm upgrading (red light flickers and buzzing is carried out) are started, and the BMS uploads a fire signal to the cloud. And when the real-time detection data is lower than a preset safety threshold value, the BMS judges that the alarm is removed and controls the master control PLC with the fault PACK to stop corresponding measures.

To make it possible to suppress occurrence of cracks and damage in a component constituting a jetting container body without reinforcing the component, when a trigger type liquid jetting container falls in an inverted state, and an impact force is applied from the oblique front or from the oblique rear with respect to the trigger type liquid jetting container.SOLUTION: At least on one of a front end part and a rear end part in a portion positioned below a mouth part 31 on an outer peripheral surface of a container body 5, folding lines 17, 18 extending in a circumferential direction are formed. When a trigger type liquid jetting container 1 falls in an inverted state, and an impact force is applied with respect to the trigger type liquid jetting container from the oblique front or from the oblique rear, a portion positioned further on a bottom part 34 side than the folding line out of the container body tilts in a frontward / backward direction around the folding line with respect to the portion positioned further on the mouth part side than the folding line.SELECTED DRAWING: Figure 1

Damage of a liquid jet head from static electricity is prevented. The liquid jet head according to an aspect of the present disclosure includes a base member, a jet module mounted on the base member, and configured to jet a liquid, a nozzle plate provided with a nozzle hole configured to jet the liquid, a nozzle guard made of metal and configured to protect the nozzle plate, and a conductive part which has conductivity, is electrically coupled to the jet module and the nozzle guard via the base member, and is configured to couple the nozzle guard to a frame ground.

The utility model belongs to the technical field of air separation, and particularly discloses an internal compression air separation poor krypton xenon extraction device and a start-stop control system, which comprise a lower tower, a main cooler, an upper tower, a gas-liquid separator, a liquid oxygen evaporator, a liquid oxygen adsorber, a liquid oxygen pump and a liquid jet evaporator, all the devices are communicated through pipelines, liquid oxygen is buffered through the gas-liquid separator before entering the liquid oxygen pump, the capacity of rapidly switching two working conditions of producing poor krypton xenon and not producing poor krypton xenon is achieved, and due to the fact that the gas-liquid separator does not participate in heat exchange and rectification, potential safety hazards do not exist in the change of the liquid level of the gas-liquid separator. Therefore, the safety of rapid working condition switching equipment can be guaranteed, and stable working condition operation of the main tower is guaranteed.

An apparatus is configured to provide hemostasis with tissue removal in order to inhibit one or more of blood loss or tissue drainage. In many embodiments, a nozzle releases a liquid jet in a liquid medium in order to provide cavitation and a plurality of shedding pulses. The liquid jet, its cavitation and the plurality of shedding pulses can affect vascular tissue in order to promote clotting in order to inhibit bleeding. In many embodiments, vessels of the vascular tissue are affected at a distance from a region where cavitation of the water jet contacts the tissue. In many embodiments, the cavitation and plurality of shedding pules are related to a pulsatile shear wave propagating along the blood vessel that is related to clot promoting changes of the blood vessel.

The invention relates to a system (2) for machining a rail (3) of a railway track (4) by means of a liquid jet (13), comprising a liquid container (7) for storing a working liquid (8), a pressure generating device (11) for applying ultra-high pressure to the working liquid (8), and a nozzle assembly (12) for generating the liquid jet (13). The nozzle assembly (12) is controlled by means of a control device (17), which is designed to change at least one working parameter (a1... αn) in order to adapt the liquid jet (13) to a specified material removal (18) on a surface (19) of the rail (3). Thus, a mere cutting process is not carried out; rather, there is a defined material removal (18) on the rail surface (19) as a result of the correspondingly adapted liquid jet (13).

To provide a liquid jet head which can inhibit accumulation of air bubbles near a nozzle communication passage, and to provide a liquid jet device and a manufacturing method of the liquid jet head.SOLUTION: A joint substrate 200 is provided with nozzle communication passages 31 each of which allows a pressure chamber 12 and a nozzle 21 to communicate with each other. The nozzle communication passage 31 has: a pair of first inner wall surfaces forming wall surfaces in a first direction; and a pair of second inner wall surfaces forming wall surfaces in a second direction orthogonal to the first direction. At least one of the second inner wall surfaces includes an inclination surface which inclines so that a length of the nozzle communication passage 31 becomes shorter toward the nozzle 21 side. An angle of the inclination surface relative to a liquid jet surface on which the nozzles 21 are open is smaller than an angle of the first inner wall surface relative to the liquid jet surface.SELECTED DRAWING: Figure 3