266 results about "Fluid input" patented technology

An infusion pump system and method with common line auto flush, wherein the infusion pump system has a first reservoir, a second reservoir, a junction, a common line having one end in fluid connection with the junction and having a terminal fluid delivery end, and an infusion pump. The method includes infusing the first fluid at a first rate along a first flow path; entering a common line flush volume value for the common line; switching from the first flow path to a second flow path; driving the second fluid at the first rate along the second flow path; monitoring volume of the second fluid driven at the first rate; and driving the second fluid at a second rate along the second flow path when the monitored volume is equal to or greater than the common line flush volume value.

A pressure exchange chamber, the pressure exchange chamber comprising: a pressure exchange chamber tube (12), the pressure exchange chamber tube extending around a periphery; a drive fluid input valve (44) and a drive fluid output valve (46), both valves being enclosed by the pressure exchange chamber tubes; and a slurry input valve (34) and a slurry output valve (36), both valves being enclosed by the pressure exchange chamber tubes. Also disclosed is a hydraulic ore lifting system (HOHS) for the ocean comprising a plurality of such pressure exchange chambers.

A microfluidic device and a microfluid detection device, comprising a body (100) and a liquid channel (201) provided within the body (100); a fluid input port (103) communicated with the liquid channel (201) is also provided on the body (100), and an arrangement position of the fluid input port (103) does not include a sensing area (301). The microfluidic device and the microfluidic detection device are easy to operate, and can effectively solve the problem of introducing bubbles due to directly opening a liquid injection hole on the sensing area (301).

Disclosed example pressure transducers include: a pressure housing comprising a first cavity; a fluid input line configured to provide a fluid to the first cavity; a first pressure measurement assembly having a first type and configured to output a first measurement signal based on a pressure of the fluid in the first cavity; a second pressure measurement assembly having a second type and configured to output a second measurement signal based on the pressure of the fluid in the first cavity; and a controller configured to determine the pressure of the fluid in the first cavity based on the first measurement signal when the pressure is within a first range and determine the pressure of the fluid in the first cavity based on the second measurement signal when the pressure is within a second range.

The invention relates to the technical field of fuel cells, in particular to a modular assembly type hydrogen fuel cell which comprises at least two fuel cell modules, each module comprises a cell stack, a lower end plate and an upper end plate, the cell stack is provided with a fluid input channel and a fluid output channel, the lower end plate is provided with a first fluid cavity communicated with the fluid input channel, and the upper end plate is provided with a second fluid cavity communicated with the fluid output channel. The upper end plate is provided with a second fluid cavity communicated with the fluid output channel, the peripheral side of the upper end plate is provided with an upper connecting groove, and the peripheral side of the upper end plate is provided with an upper connecting strip used for connecting the adjacent upper end plate; an upper fluid communication port communicated with the adjacent second fluid cavity is formed in the upper connecting strip, hydrogen and oxygen flow through the first fluid cavity, the fluid input channel, the cell stack reaction cavity, the second fluid cavity and the fluid output channel in sequence, stable connection between modules and continuity of a working fluid channel are achieved through the upper connecting strip and the lower connecting strip, and additional complex pipeline arrangement is avoided.

The invention belongs to the technical field of oil and gas field development, and discloses a physical simulation method and system for in-crack backflow of a proppant, and the simulation method comprises the steps: determining the displacement of experimental fluid input into a crack simulation device according to the actual displacement of fluid on a fracturing site; acquiring a first image set of migration of the fracturing fluid and the experimental proppant in the simulated fracturing process; after the propping agent filling layer in the crack is stable, a second image set of migration of the fracturing fluid and the experimental propping agent in the flowback process is obtained; and according to the first image set and the second image set, quantitative description is carried out on proppant backflow. According to the method, migration and sedimentation of the propping agent in a crack in the fracturing construction process and starting and migration of the propping agent in the flowback process are simulated, the backflow state and the motion law of the propping agent are observed and finely described, the backflow process of the propping agent is quantitatively described through multi-dimensional characterization parameters, and the backflow motion law of the propping agent is revealed.

The plate heat exchanger with the anti-blocking function comprises a heat exchange plate set, a filter screen, a drainage branch pipe and a stop valve, the heat exchange plate set is provided with a fluid input channel, a fluid output channel and a flow channel, the fluid input channel and the fluid output channel are communicated through the flow channel, and the filter screen is installed in the fluid input channel; the output end of the fluid input channel is communicated with the input end of the fluid output channel through a drainage branch pipe; and the stop valve is arranged on the drainage branch pipe. Through cooperation of the drainage branch pipes and the stop valves, the problem that the plate heat exchanger is blocked when fluid flowing through the flow channels of the heat exchange plate set is mixed with a large number of impurities or large particles is solved, and then the situation that the maintenance cost is increased due to the fact that the plate heat exchanger needs to be frequently disassembled and cleaned due to the blocking problem in daily use and maintenance is reduced; the problems that during cleaning, the heat exchange plate is prone to being bent and deformed and cannot be used, and quick-wear parts are frequently replaced, so that cost is increased are solved.

The invention discloses an anti-pulsation oil-water cyclone separation device integrated with an online hardening and tempering module, which comprises a feeding pipe, the feeding pipe is communicated with a feeding pretreatment assembly, and a fluid formed after an oil-water mixture containing impurities is treated by the feeding pretreatment assembly is input into a first cyclone cavity; primary centrifugal separation of large oil drops is realized in a high-speed rotating flow field; an oil-rich phase at the lower part of the first rotational flow cavity further enters the second rotational flow cavity; deep separation of fine oil drops is completed through the enhanced rotational flow effect of a smaller taper angle; the bottom of the second rotational flow cavity is communicated with an underflow pipe, and a drain valve is arranged on the underflow pipe; an oil-rich phase at the top of the first rotational flow cavity enters the on-line tempering and conveying module through the overflow oil outlet pipe; and the on-line tempering and conveying module is communicated with the oil storage tank. The technical bottlenecks that a traditional device is unstable in operation, low in separation efficiency and difficult in subsequent conveying under complex industrial working conditions are solved.

The invention provides a gas sampling device and method, the gas sampling device is in butt joint with a gas relay, gas in the gas relay is safely released and sampled, and the gas sampling device comprises an oil storage unit, an exhaust unit, a fluid conveying unit, a gas collecting unit and a gas sampling unit; wherein the oil storage unit inputs and outputs fluid to and from the exhaust unit; the fluid conveying unit is used for inputting or outputting the fluid in the exhaust unit into or out of the gas collection unit; the gas collecting unit is used for collecting gas from the gas relay; and the gas taking unit is used for collecting gas from the gas collecting unit. The gas sampling device can efficiently and safely realize gas sampling.

A flexible bioprocessing vessel includes at least six side panels forming sides of the flexible bioprocessing vessel, a top panel adjoining the at least six side panels, the top panel forming a top of the flexible bioprocessing vessel, a bottom panel adjoining the at least six side panels, the bottom panel forming a bottom of the flexible bioprocessing vessel, the at least six side panels, top panel, and bottom panel defining an interior cavity configured for processing a fluid, the at least six side panels joined together via vertical welds. The vessel further includes at least one fluid input and at least one fluid output for adding and removing fluid to and from the interior cavity respectively. Wherein the flexible bioprocessing vessel is configured for use within a rigid support structure having a cylindrical interior.

The utility model relates to the technical field of water treatment equipment, and provides a runner connecting assembly and a water softener, the runner connecting assembly comprises a runner part and a resin barrel, the runner part is provided with a first runner and a second runner, the first runner is provided with a first connecting port for fluid input or fluid output, and the second runner is provided with a second connecting port for fluid output; the second flow channel is provided with a second connector used for fluid input or fluid output. The resin barrel is provided with a barrel body part and a center pipe, the center pipe is located in the barrel body part, and the barrel body part is used for being filled with resin particles; wherein the barrel body part and the flow channel part are integrally formed, the first connecting port is communicated with the peripheral part of the barrel body part through a first flow channel, and the second connecting port is communicated with the central pipe through a second flow channel. According to the utility model, the resin barrel and the flow channel part are integrally formed, so that the assembly process of the resin barrel is reduced, the two internal flow channels are communicated with the resin barrel to form a circulation loop, the whole structure is simple, the preparation difficulty of the flow channel part is reduced, and the manufacturing cost is reduced.

A bioreactor system includes a reactor tank, a liquid input line in fluid communication with the reactor tank to provide a liquid medium to an interior of the reactor tank, a gas input line in fluid communication with the reactor tank to provide a gas to the interior of the reactor tank, and an agitator positioned in the reactor tank. The bioreactor system includes a sight glass disposed on a wall of the reactor tank. The sight glass is positioned at a first height from a bottom of the reactor tank. The first height lower is than a second height indicative of a maximum fill height for the liquid medium within the reactor tank. The sight glass is adapted to interact with light-based measurement technologies.

A device (10) for transferring multiple fluid paths comprises: a central portion (20); a peripheral portion (22) rotating around the central portion; and transfer chambers (24A-24C) between the central and peripheral portions. The central portion defines first fluid paths (FP1A-FP1C) connecting fluid inlets (14A, 14C) to the transfer chambers. The peripheral portion (22) defines second fluid paths (FP2A-FP2C) connecting fluid outlets (16A-16C) to the transfer chambers.The central part comprises, for defining the first fluidic paths (FP1A-FP1C): fluidic channels (36A-36C) – one for each first fluidic path – extending concentrically and connected, on a first axial side (S1), to the fluidic inlets; and, for each of the fluidic channels, at least one fluidic branch (38) connected to the fluidic channel in question, on a second axial side (S2), and opening into the corresponding transfer chamber (24A-24C). Figure for the abbreviation: Figure 1.

The utility model relates to the technical field of recycled plastic production, in particular to a recycled plastic cleaning and drying integrated device which comprises a base, the top of the base is rotationally connected with a half-barrel-shaped cleaning box through two fixed vertical plates, a hollow cleaning roller is rotationally connected in the half-barrel-shaped cleaning box, and a circular pipe penetrates through the middle of the left side of the hollow cleaning roller. A driven gear is arranged on the outer wall of the circular pipe, a circular-truncated-cone-shaped material guiding pipe is arranged on the right side of the hollowed-out cleaning roller, an L-shaped supporting plate is arranged on the left side of the half-barrel-shaped cleaning box, a fixed transverse pipe is arranged on the side face of the L-shaped supporting plate in a penetrating mode, and a plurality of branch pipes distributed at equal intervals are arranged at the portion, located in the hollowed-out cleaning roller, of the bottom of the fixed transverse pipe; the left end of the fixed transverse pipe is connected with a cleaning liquid input pipe and a hot air input pipe through a three-way pipe. According to the recycled plastic cleaning and drying integrated device, the hollowed-out cleaning roller continuously rotates, so that plastic particles are turned inside, dirt stacked in the middle and at the bottom is thoroughly removed, and the problem that traditional standing cleaning is not thorough is solved.

The present disclosure provides a rolling brush assembly, comprising: a fluid input; a rolling brush body part, the rolling brush body part comprising at least one first fluid distribution part; a cleaning part, the cleaning part being provided on an outer periphery of the rolling brush body part; and at least one second fluid distribution part, the at least one second fluid distribution part being provided on an outer wall of the rolling brush body part, fluid input via the fluid input being able to be input to the at least one second fluid distribution part via the at least one first fluid distribution part; wherein when the rolling brush body part is driven to rotate, fluid within the second fluid distribution part is applied to the cleaning part based at least on the action of centrifugal force. The present disclosure also provides a cleaning head device, a cleaning device, and a control method of a cleaning device.

The application discloses a kind of biological ink spraying devices, belong to medical instrument field, including shell, fluid input component, gas input piece, needle tube component and flow limiting block, shell is equipped with inner hole, fluid input component, gas input piece and needle tube component are all installed in shell, gas input piece is communicated with inner hole, needle tube component includes needle tube, needle tube is equipped with liquid flow channel, liquid flow channel is communicated with fluid input component, flow limiting block is installed in shell, flow limiting block is equipped with flow limiting portion, flow limiting block is equipped with through-hole, through-hole penetrates flow limiting portion, flow limiting portion is located in inner hole, needle tube tail end is located in through-hole, gas flow channel is formed between needle tube outer wall and through-hole inner wall, gas flow channel is communicated with inner hole, the cross-sectional area of gas flow channel is less than the cross-sectional area of inner hole, so that the gas input by gas input piece is accelerated to uniformly atomize the liquid output by needle tube.

Disclosed is a traction robot, a conveyance system and a method for controlling a traction robot. The traction robot includes a main body, and further includes a control assembly and a rotating arm. The rotating arm is rotationally assembled on the main body. The rotating arm comprises a first rotating arm and a second rotating arm. The first rotating arm and the second rotating arm are both provided with a clamping part for clamping a towed article on one side facing the towed article, and expansion members are both provided between the clamping part and the rotating arm. The control assembly drives fluid input into or discharge from the expansion member to control expansion or retraction of the expansion member, so as to control the clamping part to clamp or release the towed article.

The invention relates to a method for detecting liquid ingress (14) into at least one high-voltage component (16, 18) of a motor vehicle (10), which includes a high-voltage battery (22), by means of a control unit (12) of the motor vehicle (10). The liquid ingress (14) into the at least one high-voltage component (16, 18) is detected by the control unit (12) as liquid ingress (14) into a high-voltage component (16, 18) of the motor vehicle (10) that is different from the high-voltage battery (22), wherein the liquid ingress (14) is detected by the control unit (12) determining that at least one specific first fault event (F1 - F9) and at least one specific second fault event (F1 - F9) are detected within a specific time period.For the respective first and second fault events (F1 - F9), it is the case that this fault event (F1 - F9) can be caused by the liquid ingress (14) into the high-voltage component (16, 18) which is different from the high-voltage battery (22), or that the liquid ingress (14) can be caused by this fault event (F1 - F9).

The application discloses an energy-saving heat exchanger and belongs to the technical field of heat exchange equipment. The energy-saving heat exchanger comprises a shell, upper and lower end sleeves are respectively arranged at two ends of the shell, and a heat conduction pipe is arranged in the shell. A low-temperature fluid input port and a low-temperature fluid output port are arranged on the shell. Steam input ports and steam output ports are respectively arranged on the upper and lower end sleeves. A spiral propeller driven by fluid impact force drives a drain pipe to rotate, the drain pipe drives a scraper to rotate, the scraper pushes condensate water adhered to the inner wall of the heat conduction pipe, the condensate water on the inner wall of the heat conduction pipe is gathered together to form water drops with a larger volume, the water drops flow along the side wall of the scraper to the flow guide groove under the action of gravity of the water drops, the water drops flow to the drain pipe along the flow guide groove arranged in a slope, and then the water drops are discharged into a space below a partition plate in the lower end sleeve through the drain pipe. The energy-saving heat exchanger accelerates the transfer rate of the condensate water on the inner wall of the heat conduction pipe, increases the contact probability of steam and the heat conduction pipe, and improves the heat exchange effect.

Provided are a fluid pumping unit and an oral cavity cleaning appliance comprising a housing, a displacement unit, and a linkage unit. The displacement unit is movably arranged in the housing, and the end face of the displacement unit toward the first direction and the inner wall of the housing define, in an enclosing manner, a fluid pump cavity with a variable volume. The linkage unit is arranged in the shell and connected with the end face of the displacement unit toward the second direction, and the linkage unit is suitable for driving the displacement unit to reciprocate in the first direction and the second direction so as to cyclically increase and reduce the volume of the fluid pump cavity, so that liquid in the container is pumped into the fluid pump cavity through a fluid input channel and pumped out through a fluid output channel to provide an impact fluid, wherein two extreme positions are present during the reciprocating movement process of the displacement unit in the first direction and the second direction; the distance between the two extreme positions ranges from 2.1 mm to 2.6 mm, and the volume of the liquid pumping cavity ranges from 120 mm 3 to 165 mm 3.

The present application relates to the field of intelligent robot technology, and discloses a traction robot and its transport system and control method. It includes a main body, a control component and a rotating arm, the rotating arm being rotatably assembled on the main body, and the rotating arm including a first rotating arm and a second rotating arm. The first rotating arm and the second rotating arm are both provided with a clamping portion for clamping the traction member on the side facing the traction member, and an expansion member is provided between the clamping portion and the rotating arm. The control component drives the fluid to input or discharge the expansion member to control the expansion or retraction of the expansion member, thereby controlling the clamping portion to clamp or release the traction member. Compared with the prior art, the traction robot disclosed in the present application is easy to connect with the traction member, thereby improving the efficiency of traction movement and saving manpower. It can be used to clamp and pull different traction members in different usage environments, improve the versatility of the traction robot and the stability of traction, and reduce the user's usage cost.

To provide a proportional valve unit which copes with an increase of the number of proportional valves.SOLUTION: A proportional valve unit 10 has an input port 12, a plurality of laminable proportional valve blocks 11 having electromagnetic proportional valves 21, and an exhaust port 13. The proportional valve blocks 11 have input flow passages 23 for making fluids which are inputted from the input ports 12 flow to the electromagnetic proportional valves 21, discharge flow passages 24 for making the remaining fluids in the electromagnetic proportional valves 21 flow to the exhaust ports 13, and output ports 22 for outputting the fluids which are adjusted by the electromagnetic proportional valves 21. The input flow passages 23 comprise first passages 23A penetrating the proportional valve blocks 11 in a lamination direction of the plurality of proportional valve blocks 11, and are connected to the first passages 23A of the other proportional valve blocks 11 which adjoin each other in the lamination direction. The discharge flow passages 24 comprise second passages 24A penetrating the proportional valve blocks 11 in the lamination direction of the plurality of proportional valve blocks 11, and are connected to the second passages 24A of the other proportional valve blocks 11 which adjoin each other in the lamination direction.SELECTED DRAWING: Figure 6

The invention relates to the technical field of aerospace, and particularly provides a nested compact BLI propulsion system layout, a method, equipment, a medium and a product. The propelling system comprises a nested air inlet channel, an inner duct blower device and an outer duct blower device, a nested inner cylinder sucks main flow and inputs the sucked main flow into the inner duct blower device, and a nested outer cylinder sucks boundary layer fluid and inputs the sucked boundary layer fluid into the outer duct blower device. The nested inner cylinder sucks in a mainstream fluid, the uniformity of the mainstream fluid can greatly reduce the flow separation of the inner cylinder in the nested layout, the outer cylinder sucks in a boundary layer fluid and a small part of mainstream fluid, and the particularity of the structure can enable the separation of the flow separation in the outer cylinder to be smaller than that in a push layout in the related technology. The outer cylinder not only retains the advantage that the traditional layout is not easy to separate, but also retains the advantage that the BLI layout sucks low-energy fluid so as to reduce power consumption.

A microdosing device and a method for dispensing droplets from a plurality of nozzles are presented. The microdosing device comprises a cartridge in which at least part of a dosing chamber and the plurality of nozzles are formed, the dosing chamber being fluidically connected to a fluid inlet and the plurality of nozzles. The microdosing device further comprises an actuator configured to change the volume of the dosing chamber in order to eject a droplet from each of the plurality of nozzles, and a pressure sensor configured to generate a pressure signal dependent on a pressure in the dosing chamber. The microdosing device also includes a fluid reservoir fluidically connected to the fluid inlet and a pressure control device separately from the actuator, configured to control the pressure in the fluid reservoir based on the pressure signal.

A fluid atomizing mechanical nozzle, relating to a nozzle, comprising a valve body with a fluid inlet, a liquid passing sheet, a spring, a valve needle, a swirl seat, and a valve seat. A valve needle through hole Ⅰ is provided in the middle of the liquid passing sheet. The front end of the swirl seat has a counterbore, which is sleeved on the rear end of the valve seat. A valve needle through hole Ⅱ is provided in the middle of the rear end of the swirl seat, and swirl holes are evenly distributed around the valve needle through hole Ⅱ. The valve needle through hole Ⅱ and the swirl holes are respectively communicated with the counterbore; the spring is installed between the bottom end of the liquid passing sheet and the swirl seat; a swirl chamber Ⅲ communicated with the swirl holes of the swirl seat is further provided at the rear end of the valve seat, and the swirl chamber Ⅲ is communicated with the swirl chamber Ⅰ at the front end of the valve seat. Through the change of pressure difference and the centrifugal action, the present invention improves the conical atomization effect of the fluid, increases the atomization angle and area, can work stably in high-temperature and high-speed gases for a long time, effectively prevents the fluid from blocking the spray holes due to high-temperature coking, and thus prolongs the service life of the product.

A fluid transport device, a fluid transport method, and a biochemical substance analysis apparatus. The fluid transport device comprises a chip, a fluid storage assembly and a driving assembly, wherein the driving assembly and the fluid storage assembly are both in communication with the chip; and the driving assembly uses negative-pressure driving to input a fluid in the fluid storage assembly into the chip, uses negative-pressure driving to suck out the fluid, which has been subjected to a reaction, in the chip, and uses positive-pressure driving to discharge the sucked-out fluid into the fluid storage assembly. The fluid transport device of the present application has a high degree of integration. The fluid is located in the device, and does not come into contact with the biochemical substance analysis apparatus during use, thus simplifying the structure of the apparatus, avoiding damage to the apparatus, reducing the cost, reducing the complexity of an experimental process, and increasing the experimental success rate.

The application discloses a compressed air zero-loss oil return check valve which comprises a shell, a flow-through assembly and a floating assembly, the flow-through assembly comprises an inlet flow cavity and an outlet flow cavity, the inlet flow cavity is arranged on the shell, one end of the inlet flow cavity is communicated with the outside, and the other end is located in the shell, and the inlet flow cavity is used for fluid input; the outlet flow cavity is arranged on the shell, and one end of the outlet flow cavity is communicated with the end of the inlet flow cavity located in the inlet flow cavity. The application controls the opening and closing of the flow-through assembly by arranging the floating assembly, so that when compressed air is injected into the inlet flow cavity, the compressed air can be blocked in the inlet flow cavity and cannot leak outward, and when the liquid volume in the inlet flow cavity accumulates to a certain height and the floating element floats up, the outlet flow cavity is communicated with the inlet flow cavity, so that the liquid is discharged, and the liquid in the inlet flow cavity can play a liquid sealing effect at this time, so that the compressed air cannot be discharged from the place, the compressed air zero-loss oil return check valve cannot appear the compressed air leakage condition during use, and the production efficiency of the compressed air is ensured.

The present invention discloses a dual-power drive mechanism, comprising a cylindrical cylinder body, a lower cylinder head mounted at the bottom of the cylinder body, a partition plate at the middle of the cylinder body dividing the space within the cylinder body into an upper and lower chamber, an upper piston within the upper chamber, a high-pressure fluid input port I within the cylinder body between the partition plate and the upper piston, a lower piston within the lower chamber, a high-pressure fluid input port II within the cylinder body between the lower cylinder head and the lower piston, and a push rod, the push rod body being located within the cylinder body, a convex ring being provided at the middle of the push rod, the lower end of the push rod simultaneously passing through the center hole of the upper piston and the center hole of the partition plate before entering the lower chamber, the convex ring on the push rod contacting the upper surface of the upper piston. The present invention achieves linear motion of the push rod by providing two sets of driving power. When the power of the upper piston fails, the lower piston can push the push rod to perform linear motion. The two sets of power are independent of each other, greatly improving the reliability and stability of the system.

A sprinkler controller is cooperable with a sprinkler assembly that receives fluid input from a pipe span. The sprinkler controller includes a microcontroller circuit, a motion sensor coupled with the microcontroller circuit, and a valve assembly including a modulator coupled with the microcontroller circuit and a valve coupled with the sprinkler assembly. The valve meters or controls an amount of fluid output from the sprinkler assembly, and the microcontroller circuit is programmed to control the valve assembly based on input from the motion sensor. With a series of sprinkler controllers in a center pivot irrigation system, the drop numbers for each of the sprinkler assemblies can be determined based on input from the motion sensors.

This invention discloses an energy-saving direct-drive high-speed turbine vacuum pump, relating to the field of energy-saving vacuum pumps. It solves the problem of existing direct-drive high-speed turbine vacuum pumps having difficulty in flexibly controlling the impeller rotation state according to needs, resulting in energy consumption and waste. The pump includes a body, a drive mechanism, a first volute, and a second volute. The drive mechanism includes a drive shaft, a first impeller, a second impeller, a control component, and a transmission component. This invention can control the drive shaft to rotate the first impeller for suction when the required suction intensity is relatively low. When high-intensity suction is required, the control component connects the input end of the second volute to the output end of the first volute, and the transmission component operates in conjunction, causing the second impeller to engage with the outer wall of the drive shaft. The drive shaft synchronously drives the first and second impellers to rotate for suction, inputting the accelerated fluid in the first volute into the second volute for secondary acceleration, thus increasing the suction intensity.