212 results about "Liquid jet" patented technology

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.

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 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.

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.

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.

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.

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.

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.

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

The liquid jet head is positioned with good precision relative to the head setting part of the liquid jet recording device. The positioning structure (100) includes a positioning pin (40) disposed on the carriage (29) and a position adjustment mechanism (60) disposed on the inkjet head (5). The position adjustment mechanism (60) includes: an abutting member (80) abutting against the positioning pin (40); and a displacement mechanism (90) that causes the abutting member (80) to be displaced along a displacement axis (O2) extending in an inclined direction that intersects the vertical direction of the setting surface (29a). The abutting portion (41) of the positioning pin (40) is formed in a curved shape with a first intersecting axis (O1) intersecting the setting surface (29a) as the central axis. Furthermore, the abutting portion (81) of the abutting member (80) is formed in a curved shape with a second intersecting axis (O3) intersecting the imaginary plane including the vertical axis (first intersecting axis (O1)) extending in the vertical direction of the setting surface (29a) and the displacement axis (O2) and not parallel to the first intersecting axis (O1) as the central axis.

To provide a liquid ejecting head, a head module, and a liquid ejecting apparatus capable of suppressing an increase in size and facilitating assembly.SOLUTION: The liquid ejecting head includes a liquid ejecting head including a head chip and a holder including a first flow path, and a support body that supports the liquid ejecting head and includes a second flow path, the holder includes a first positioning portion, the support body includes a second positioning portion, and the first positioning portion includes a first communication flow path communicating with the first flow path, and the second positioning portion includes a second communication flow path communicating with the second flow path. One of the first positioning portion and the second positioning portion has an inner wall surface constituting a positioning hole, the other is a rod-shaped protrusion portion, one of the first communication flow path and the second communication flow path is a positioning hole, the protrusion portion is inserted into the positioning hole, and a part of the protrusion portion comes into contact with the inner wall surface, so that the liquid ejecting head is positioned with respect to the support body, and the first communication flow path and the second communication flow path communicate with each other.SELECTED DRAWING: Figure 5

The invention belongs to the technical field of liquid metal 3D printing, and particularly relates to a melt impact jet flow regulation and control system for an open launder. A pressure heat preservation device inputs gas into the pressure heat preservation device through a gas conveying pipeline and controls the gas flow to control the pressure in the pressure heat preservation device; the molten metal in the pressure heat preservation device is sprayed to a cooling platform located under the spraying device through the spraying device to be cooled; the laser Doppler radar velocimeter monitors the metal liquid jet velocity in real time and uploads the metal liquid jet velocity to the upper computer, the gas flow needing to be adjusted is calculated through a PID algorithm, a corresponding adjusting control instruction is generated and issued to the MFC and the electromagnetic valve or the small-aperture exhaust valve and the large-aperture exhaust valve, and therefore control over the jet velocity is achieved. Through jet velocity feedback monitored in real time, the flow of gas input into the pressure heat preservation device is adjusted in real time through a PID algorithm to control the pressure in the pressure heat preservation device in real time, and therefore accurate control over the jet velocity is achieved.

A head chip, a liquid jet head, and a liquid jet recording apparatus each capable of reducing a variation in ejection performance are provided. The head chip according to an aspect of the present disclosure is provided with a nozzle plate, and an actuator plate disposed so as to face the nozzle plate. The actuator plate is provided with an opposed portion disposed in a state of being separated in a Z direction from the nozzle plate, and a partition portion which is formed integrally with the opposed portion, protrudes in the Z direction from the opposed portion, and separates pressure chambers adjacent to each other. At least a part of the partition portion is disposed at a position which does not overlap a drive portion when viewed from the Z direction, the drive portion being located between the first groove and the second groove adjacent in an X direction to each other in the opposed portion.

To provide a liquid jet head that is configured so that cure shrinkage of an adhesive hardly deforms a fixed plate, and a liquid jet device.SOLUTION: The liquid jet head comprises: a first head chip 8 which has a plurality of first nozzles that jet liquid in a first direction and a first common liquid chamber communicated with the plurality of first nozzles; a flow passage structure having a first flow passage 400 communicated with the first common liquid chamber; a fixed plate fixed with the first head chip 8; and a first adhesive 201. The first head chip 8 has a first flow passage pipe 43 having a first connection flow passage 43a communicated with the first common liquid chamber therein and protruding in a second direction from a surface pointing to a second direction which is the opposite direction of the first direction. The flow passage structure has a first opening 225 into which the first flow passage pipe is inserted. The first adhesive 201 arranged between an outer peripheral surface of the first flow passage pipe 43 and an inner peripheral surface of the first opening 225 liquid-tightly connects the first flow passage 400 to the first connection flow passage 43a.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of non-ferrous metal metallurgy, and discloses a novel flue gas acid-making purification liquid sprayer which comprises a purification liquid sprayer body, a liquid inlet pipe and a liquid outlet pipe, the spraying structure comprises a first spraying part and a second spraying part, the first spraying part comprises an annular liquid inlet pipe fixedly mounted on the outer wall of the purification liquid sprayer, eighteen groups of holes are formed in the outer wall of the annular liquid inlet pipe, first liquid conveying pipes are fixedly mounted in the holes, a spraying flushing pipe is fixedly mounted at one end of each first liquid conveying pipe, and a second spraying flushing pipe is fixedly mounted at the other end of each first liquid conveying pipe; a second limiting sleeve is fixedly mounted on the outer wall of the first liquid conveying pipe, and a spraying self-control valve is fixedly mounted at the top of the second limiting sleeve; when an overflow groove is blocked, washing liquid is sprayed to wash and clean the wall of the reverse spraying pipe, it is guaranteed that the inner wall of the reverse spraying pipe of the washer is not burnt down, paste on the inner wall of the reverse spraying pipe is rapidly cleaned during shutdown maintenance, smoke is cooled, and the durability of the device is improved.

This application provides a casting post-processing equipment and method, belonging to the field of casting processing technology. The casting post-processing equipment includes: a worktable suitable for carrying the casting body and transporting it to a preset work area; a vibration desanding mechanism distributed in the vibration desanding area, suitable for applying vibration force to the casting body to achieve dry desanding; a casting cleaning mechanism distributed in the casting cleaning area, suitable for liquid jet cleaning of the casting body; and a riser cutting mechanism distributed in the riser cutting area, suitable for sawing risers from the casting body. This achieves automated post-processing of castings, continuously completing dry desanding, residual sand cleaning, and riser cutting on a single piece of equipment, requiring only one clamping operation, improving production efficiency, and reducing process transitions and manual intervention.

This invention relates to the field of water treatment and fluid mixing technology, and particularly to an automatic dispensing system and method based on liquid jet swirl enhanced stirring. The system monitors the drug concentration at each monitoring point to determine the concentration fluctuation equivalent based on the drug concentration at each monitoring point at the same time. Based on the concentration fluctuation equivalent at each time point during the dispensing process, it determines a concentration fluctuation time-domain graph to identify fluctuation subgraphs and stable subgraphs. Based on the duration of the fluctuation subgraph, it determines whether to formulate a jet adjustment strategy, identifies all fluctuation moments in the fluctuation subgraph, and determines the concentration fluctuation monitoring points at each fluctuation moment. Based on the concentration fluctuation monitoring points, it determines the dispensing adjustment strategy. This invention enhances mixing by real-time monitoring and analysis of concentration fluctuations, and specifically adjusts jet parameters to reduce deviations and avoid ineffective stirring.

A method for adjusting the ejection characteristics of a liquid jet head, which can easily improve print quality, is provided. [Solution] A method for adjusting the ejection characteristics of a liquid ejection head according to one embodiment of the present disclosure is a method for adjusting the ejection characteristics of liquid in a liquid ejection head equipped with an ejection section having a plurality of nozzles that eject liquid and a piezoelectric substrate that includes a plurality of pressure chambers that are individually connected to the plurality of nozzles and are each filled with liquid, and when a voltage waveform is applied to the piezoelectric substrate on a pressure chamber basis, a predetermined correction process is performed on the voltage waveform, thereby individually adjusting the tilt of the polarization direction within the piezoelectric substrate from the initial state on a pressure chamber basis.

This invention relates to the field of water treatment technology, and in particular to an interface-enhanced water treatment device that combines gas-liquid jetting and photocatalysis. The device includes a reaction tank and a sealing cover plate arranged on the reaction tank. The reaction tank and the sealing cover plate enclose a reaction zone. An installation cavity is provided within the sealing cover plate, and several coaxial corona jetting units and a photocatalytic light source unit are integrated within the installation cavity. The coaxial corona jetting units spray a gas-liquid mixture carrying space charge onto the liquid surface in the reaction zone below. The photocatalytic light source unit provides light radiation to the liquid surface in the reaction zone below. By forcibly delivering space charge to the liquid surface through the coaxial corona jetting units, a non-Laplace high-intensity electric field is established at the gas-liquid interface, breaking through the "Laplace bottleneck" of traditional gas-gap electrostatic separation and significantly improving the coalescence efficiency of tiny emulsified oil droplets.

SPRAYING UNIT AND OUTLET OPERATION INCLUDING A SPRAYING UNIT, AND METHOD OF OPERATING THE SPRAYING UNIT A spraying unit (11) is intended for use in an outlet orifice, particularly in a shower head or tap, to dispense a liquid, particularly water or a water-based mixture. It comprises multiple sprayers (10).Inside: • Each sprayer (10) comprises at least two nozzles (12) arranged to create colliding jets (93) of the liquid and thus create an initial spray (94) of the liquid; • The number of sprayers (10) in the sprayer assembly is at least two; • The sprayers (10) form at least one group (99) of sprayers (10), in which the group (99) comprises all the sprayers (10) that are arranged so that their initial sprays (94) interact with each other; • The number of sprayers (10) in the at least one group is less than ten. Figure for the abstract: none.

A focusing tube is configured to focus a high-pressure liquid jet containing abrasive particles. The focusing tube has a focusing duct portion and an exit opening for the free discharge of the liquid jet from the focusing duct portion. A center point of the discharge opening coincides with the longitudinal axis of the focusing duct portion. The focusing duct portion is delimited by a liquid-impermeable channel wall, extends from the discharge opening at a focusing taper angle and is tapered toward the discharge opening. The focusing taper angle lies in a range from 0.05° to 1°. This allows the service life of the focusing tube to be increased in a way that is simple in terms of design.