517 results about "Shunt flow" patented technology

Described embodiments include apparatus (28) that includes a shunt (26). The shunt includes a flared distal portion (40), a flared proximal portion (44), and an intermediate portion (42), disposed between the distal portion and the proximal portion. The apparatus further includes a constricting flexible longitudinal element (38) passing circumferentially along the intermediate portion of the shunt, configured to constrict the intermediate portion of the shunt, and one or more proximal-portion-collapsing flexible longitudinal elements (36) configured to collapse the proximal portion of the shunt. Other embodiments are also described.

Systems, devices, and methods for shunting blood from one anatomical chamber / vessel to another anatomical chamber / vessel are described. For example, a dual frame shunt can include an anchoring frame / structure that is configured to self-expand and to anchor the shunt within an opening between two anatomical chambers / features. The shunt can also include an adjustable frame / structure disposed outside or inside of at least a portion of the anchoring frame and configured to expand / adjust to various sizes.

Adjustable flow glaucoma shunts are disclosed herein. In one embodiment, for example, an adjustable flow shunt can include an outflow drainage tube having a proximal inflow region and a distal outflow region. The proximal inflow region can include aperture(s) defining a fluid inlet area positioned to allow fluid to flow therethrough. The shunt further comprises an inflow control assembly at the proximal inflow region. The inflow control assembly can include a control element configured to slidably engage the proximal inflow region and a spring element. The spring element is configured to be activated by non-invasive energy and, upon activation, slidably move the control element along the proximal inflow region such that (a) the one or more apertures are accessible and have a first fluid flow cross-section or (b) the one or more apertures are at least partially covered by the control element and have a second, different fluid-flow cross-section.

The present technology is generally directed to adjustable shunting systems, including adjustable shunting systems having at least two discrete fluid flow paths having different fluid resistances. In at least some embodiments, the shunting systems include an actuator that controls which of the two discrete fluid flow paths is “open” to fluid flow. For example, the actuator can be configured to selectively control the flow of fluid through the system by selectively alternating between (i) opening a first flow path while closing a second flow path, and (ii) opening the second flow path while closing the first flow path.

The present application provides a shunt device, comprising a shunt member and a flow regulating mechanism. The shunt member comprises a body and an inlet and an outlet located at two ends of the body, and the shunt member defines a shunt passage for pressurized fluid; the flow regulating mechanism is connected to the shunt member, and the flow regulating mechanism is used for regulating the flow of the pressurized fluid flowing through the shunt passage; the flow regulating mechanism comprises a blocking portion having a variable form, and the blocking portion is configured such that when the fluid pressure at the inlet of and / or inside the shunt member is less than the fluid pressure outside the flow regulating mechanism, the blocking portion is driven by the fluid pressure outside the flow regulating mechanism to radially collapse, so that the flow regulating mechanism partially closes the shunt passage.

The utility model discloses a threading machine processing cooling liquid shunting structure which comprises a valve body and pipe bodies, reserved grooves are formed in the valve body at equal intervals, baffle grooves are formed in one ends of the interiors of the reserved grooves, baffles used for blocking the baffle grooves are arranged in the baffle grooves in a sleeved mode, and the pipe bodies are fixed to the top of the valve body at equal intervals through threaded grooves. According to the utility model, the cooling medium is shunted through the plurality of reserved grooves, the reserved grooves are blocked through the baffle plate capable of moving up and down, so that the purpose of controlling the cooling medium is achieved, and the flow of the cooling medium can be controlled by controlling the upward moving height of the baffle plate.

The invention provides an intelligent shunting method and system for coal railway transportation traveling crane allocation and transportation, and belongs to the field of coal railway transportation. The method comprises the following steps: acquiring shunting matching factor element data corresponding to each preset shunting reference item; inputting the distribution matching factor element data corresponding to each preset distribution reference item into the trained intelligent coal transportation distribution model for intelligent distribution, and obtaining and outputting optimal distribution operation plan flow direction information; wherein the coal transportation and allocation intelligent shunting model is constructed based on a pre-configured shunting rule matrix, the shunting rule matrix comprises multiple shunting rules, and the shunting rule matrix is used for carrying out step-by-step shunting matching on shunting matching factor element data corresponding to each preset shunting reference item according to various shunting rules in sequence. The efficiency, the accuracy and the stability of dispatching and shunting operation of the coal railway transportation traveling crane are improved, meanwhile, errors of manual operation and personal subjective operation are reduced, and the problem of manual intervention risks is effectively avoided.

The utility model discloses a shunt device of coriolis mass flowmeter, including body mechanism and setting in body mechanism one side, the pipe body outer wall of the pipe body that is close to flow tube and body mechanism connecting end is supported and supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported and is supported.

1. The name of the design product: multimeter shunt. 2. The use of the design product: used with multimeter to shunt current. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model discloses a kind of bottle body diverter, including conveyor belt and channeling device, channeling device includes fixed part and moving part, the fixed part includes multiple shunt, the moving part includes two limit plates, bottle body passageway is between two the limit plates, the moving part is passed through moving to correspond to different shunt, the size of the passageway is provided with adjusting component adjusting, the adjusting component includes two mutually close or far away adjusting plate. By the mutually close or far away two adjusting plates of adjusting component, to change passageway width, different width specifications of bottle body can be adapted, the problem of fixed width, poor adaptability is solved.

The application provides a transjugular intrahepatic portosystemic shunt (TIPS) operation simulation training device, and relates to the technical field of operation simulation training, which comprises a shell, an outer pipe fixedly embedded in the shell, a fixed sheet fixedly installed on the inner wall of the shell, an adjusting bottom plate, a storage bottom slope and a bottom connecting disc fixedly installed on one side of the outer surface of the shell, an anti-collision groove formed in one side of the outer surface of the shell, a recorder fixedly installed on one side of the outer surface of the fixed sheet, a through hole formed in one side of the shell close to the adjusting bottom plate, and a fixed side row, a supporting side row, a supporting row and a first motor fixedly installed on the top of the outer surface of the adjusting bottom plate. The application simulates the movable state of the puncture tube in the cavity by cooperation of the strip-shaped groove, the spring, the pressing switch, the recorder and the through hole, improves the puncture simulation difficulty, improves the effect of TIPS operation puncture training, records the state during puncture, and facilitates subsequent targeted puncture training.

An acoustic wave filter includes: a plurality of first series resonators connected in series between a first port and a second port; a plurality of shunt resonators, each shunt resonators being connected between a different node disposed between the first port and the second port and the ground; at least one second series resonator connected in parallel to at least one of the first series resonators; and an inductor connected between one of the shunt resonators and the ground. A resonant frequency of the shunt resonator connected to the inductor is the same as a resonant frequency of at least one of the plurality of first series resonators.

The present invention relates to a jumper element, a shunt resistance device, and a method for adjusting characteristics of a shunt resistance device for current detection. A jumper element (10) for constituting a shunt resistance device for current detection is made of an electrically conductive metal material. The jumper element (10) has a main body portion (11) capable of being joined to a resistor body (5) constituting a part of the shunt resistance device, and a protruding portion (12) formed at a side portion of the main body portion (11), the protruding portion (12) being positioned so as not to overlap the resistor body (5).

The hydroelectric generation impeller protection device comprises a flow dividing protection mechanism, a cleaning mechanism, an impeller mechanism, a flow dividing motor and a cleaning motor, the flow dividing protection mechanism comprises a flow divider, a power generation channel and a flow dividing channel are symmetrically arranged in the flow divider, and a channel partition plate is fixedly installed between the power generation channel and the flow dividing channel; a water outlet and a water inlet are fixedly formed in the two ends of the flow divider correspondingly, the end, away from the water outlet, of the channel partition plate is rotationally connected with a flow dividing rotating shaft, the output end of the flow dividing motor is fixedly connected with the flow dividing rotating shaft, and a flow dividing control plate is fixedly installed on the outer side of the flow dividing rotating shaft; the diversion protection mechanism is arranged to protect the impeller for hydroelectric generation, the diversion motor controls the diversion control panel to perform diversion control on water flow, and the diversion channel is opened to slow down the flow speed of the water flow to protect the rotating impeller.

The utility model discloses a shunt flow guide device for hydroelectric station tail water discharge, including discharge pool and shunt pool, the discharge pool sets up at the front side of shunt pool, the inner chamber of shunt pool has in proper order from left to right guide port, both sides of shunt pool upper end are all installed with stand, the upper end of stand inboard is installed with the supporting plate, the upper end of supporting plate has in proper order from left to right installed drive shell. The utility model discloses a modularization design of " one drive corresponds to one guide " is adopted, three drive shells and three guide ports in shunt pool are matched one by one, can through the operation state of each drive motor independent control, realizes the accurate regulation of guide baffle lifting height, and then carries out the individual control to each guide port's tail water flow, and this kind of design breaks the traditional device " one size fits all " adjustment mode, can according to downstream water demand, power generation load change etc. Actual working condition, flexible allocation tail water flow, effectively improved the utilization efficiency of water resources.

The utility model discloses an adapter flange for pipeline connection, which comprises a device body, the device body comprises a base, a shunt connecting device and a main body pipeline, the main body pipeline is welded and fixed at the rear end of the shunt connecting device, and the shunt connecting device is welded and fixed at the top of the base; the flow dividing connecting device comprises a flow dividing bin and five flow dividing pipelines, the five flow dividing pipelines are annularly installed on the outer side of the flow dividing bin at equal intervals, the flow dividing bin is of a cylindrical structure, the interior of the flow dividing bin is of a hollow structure, the flow dividing bin and the five flow dividing pipelines are of a through structure, and control valves are installed in the flow dividing pipelines. An adapter flange is arranged at the outer end of the flow dividing pipeline, and a sealing gasket is arranged in the adapter flange. According to the device, five pipeline devices can be connected in a split-flow mode at a time, so that the efficiency of pipeline connection is improved, the burden of workers on installation of a plurality of pipelines is relieved, and each pipeline can independently control the water volume and opening or closing of the pipeline through a valve.

The utility model discloses a current-resistant connector, which comprises a pin shaft, a sealing ring, a conductive seat body, a spring and a conductive shunt body. A containing cavity penetrating through the head end face of the guide head seat body is formed in the conductive seat body. The needle shaft is assembled in the containing cavity and can slide in the penetrating direction of the containing cavity and the direction opposite to the penetrating direction. And the sealing ring is sleeved between the needle shaft and the conductive seat body. The conductive flow divider is connected with the conductive seat body, and the conductive flow divider is also suspended in the accommodating cavity. The spring is arranged in the accommodating cavity, the spring is sleeved on the conductive flow divider, and the spring is elastically propped against the needle shaft and the conductive flow divider; or, the spring is elastically abutted against the pin shaft and the conductive seat body. Therefore, the spring is shunted by means of the conductive shunting body, the phenomenon that the spring is burnt due to overlarge current is prevented, and the current resistance of the current resistance connector is improved.

The utility model provides a water chamber and radiator with shunting function, the water chamber with shunting function comprises a water chamber body, a water inlet and a shunting assembly, the water inlet is arranged at one end of the water chamber body, a water inlet flow channel communicated with the water inlet is arranged in the water chamber body, the shunting assembly is arranged in the water inlet flow channel, and the shunting assembly is arranged in the water inlet flow channel. An included angle is formed between the center line of the shunting assembly and the center line of the water inlet. According to the water chamber with the flow dividing function, through cooperation of the water chamber body, the water inlet and the flow dividing assembly, cooling liquid in the water chamber can flow uniformly, all the cooling pipes are fully utilized, and the performance of a radiator is improved. The flow dividing assembly can enable cooling liquid entering the water chamber body from the water inlet to be divided, and the cooling liquid evenly flows in the water chamber body. The problem that uniform distribution needs to be achieved by increasing the water inlet flow speed and the water inlet flow in the prior art is avoided, pressure increase in the radiator is avoided, and the reliability of the radiator is guaranteed.

An externally programmable shunt valve assembly that includes a magnetic rotor that is operable in response to an externally applied magnetic field and configured to increase or decrease the working pressure of the shunt valve assembly in finite increments.

The utility model relates to the technical field of canal irrigation accessories, and provides a canal irrigation diversion adapter which comprises an adapter box (1), a water inlet connector (2) and a diversion connector (3), the water inlet connector (2) and the diversion connector (3) are communicated with the adapter box (1), a diversion plate (4) is fixedly connected in the water inlet connector (2), a plurality of inserting holes (41) are formed in the diversion plate (4), a square column (5) is fixedly connected to one side, away from the adapter box (1), of the diversion plate (4), and a baffle (6) is arranged on the square column (5) in a sliding mode. The baffle (6) is provided with a plurality of flow equalizing holes (61), the side, close to the splitter plate (4), of the baffle (6) is fixedly connected with a plurality of insertion blocks (7) matched with the insertion holes (41), the square column (5) is sleeved with a spring (8), one end of the spring (8) is fixedly connected to the baffle (6), and an adjusting mechanism (9) used for adjusting the tightness of the spring (8) is further arranged in the water inlet connector (2).

The embodiment of the invention discloses a two-stage negative impedance electromagnetic shunt damper optimization method and related equipment, and the method comprises the steps: building a two-degree-of-freedom linear system kinetic model and a two-degree-of-freedom linear system kinetic equation, and deducing a force transmission rate analytical expression of a two-degree-of-freedom linear system; performing parameter optimization calculation on the two-stage negative impedance electromagnetic shunt damper based on the expression to obtain optimal parameters; and designing the two-stage negative impedance electromagnetic shunt damper according to the optimal parameters. The method can solve the problems that in the design process, inductance, resistance and rigidity parameters are difficult to balance, and design efficiency is low, can be suitable for multi-objective optimization design of the negative impedance electromagnetic shunt damper, has the advantages of being high in calculation efficiency, good in convergence and uniform in solution set distribution, and has good application prospects. The damper which is low in power, simple in electronic equipment, small in mass and good in vibration isolation performance can be designed easily, and hardware support is provided for micro-vibration suppression of spacecrafts. The method is widely applied to the technical field of micro-vibration suppression of spacecrafts.

A system and method of accurately measuring a pressure (Pp) within a human brain using totally-implanted or partially-external hardware. The system includes a first pressure transducer configured to measure a cerebrospinal fluid pressure (Pcsf) within a ventricle of a brain, a second pressure transducer configured to indirectly measure a second pressure (Pp) within a space of the brain, and an adjustable implanted valve controller configured to calculate the effective differential pressure (Pei = Pcsf - Pp) between the measured pressures Pcsf and the Pp and determine whether the effective differential pressure measurement represents a true secondary pressure.

A shunt regulator is provided which can reduce a consumption current at the time of normal operation even if a circuit including a large current flowing at the time of operation is included. The shunt regulator includes a capacitor connected between an output terminal and a ground terminal, a voltage dividing circuit and an output transistor connected between the output terminal and the ground terminal, an error amplifier which controls the output transistor based on a voltage of an output terminal of the voltage dividing circuit and a reference voltage, a nonvolatile memory, a memory control circuit which outputs a read signal of data to the nonvolatile memory, and a voltage detection circuit which detects that the voltage of the output terminal reaches a prescribed voltage which allows a data read operation of the nonvolatile memory, outputs a detection signal to the memory control circuit, and an operation current of the nonvolatile memory is supplied from the capacitor.

The invention discloses a wellhead high-pressure fluid precise pressure control and multi-pipeline self-adaptive flow dividing device, and belongs to the technical field of oil and gas exploitation auxiliary devices. The device comprises a wellhead connecting pipe, a throttle valve and a first collecting pipe which are connected in sequence, the first collecting pipe is connected to the second collecting pipe through a first shunt pipe, a second shunt pipe and a third shunt pipe which are connected in parallel; an electric stop valve, a pressure sensor and a gas-liquid metering device are arranged at an inlet of each shunt pipe; the device is further provided with a controller which is electrically connected with the pressure sensor, the metering device, the throttling valve and all the stop valves. The controller adjusts the opening degree of the throttling valve through a closed loop, and the pressure of the fluid is precisely reduced to target pressure; meanwhile, according to the real-time pressure and gas-liquid ratio data of all the pipelines, the started flow dividing pipelines are automatically switched according to a preset threshold value; the problems that pressure reduction of existing wellhead high-pressure fluid is unstable, the single-pipeline adaptive working condition is single, and gas-liquid metering and flow dividing collaboration is poor are effectively solved.

The utility model discloses an efficient fluid distributor of a petrochemical packed tower, which comprises a primary shunting groove, a secondary shunting groove and a plurality of third-stage shunting grooves, the primary shunting groove is positioned above the interior of the secondary shunting groove, and the plurality of third-stage shunting grooves are positioned below the secondary shunting groove and are vertical to the arrangement direction of the secondary shunting groove; flow dividing holes are formed in the bottoms of the inner walls of the primary flow dividing groove, the secondary flow dividing groove and the third-stage flow dividing groove at equal intervals in the axial direction; supporting rods are installed in the secondary flow dividing groove and the third-stage flow dividing groove, knockout ropes are hung on the supporting rods, the lower ends of the knockout ropes penetrate through the flow dividing holes, knockout discs are hung at the lower ends of the knockout ropes, and connecting ropes making contact with the bottoms of the inner walls of the secondary flow dividing groove and the third-stage flow dividing groove are connected between every two adjacent knockout ropes. According to the utility model, the knockout ropes are arranged in the shunting holes, and fluid can impact the knockout disc to drive the knockout ropes to swing and continuously stir in the shunting holes when being sprayed downwards, so that the problem that materials are coked to block the shunting holes is effectively avoided, and uneven shunting is prevented.

The utility model relates to the technical field of plastic forming molds, and discloses a novel yellow-green pipe forming machine head which comprises a connecting sleeve, a sprue spreader support body, a machine head body, a green shunting inner core, a core mold, a mouth mold, a mouth mold pressing cover, a yellow feeding port, a green feeding port, a yellow shunting runner, a green shunting runner, a converging runner and a forming runner. The connecting sleeve is connected with the sprue spreader support body through a first fastening screw, the machine head body is connected with the sprue spreader support body through a second fastening screw, the mouth mold and the mouth mold pressing cover are connected with the machine head body through a third fastening screw, and the connecting sleeve, the sprue spreader support body and the core mold are sequentially connected. According to the utility model, under the cooperation of structures such as the sprue spreader bracket body, the connecting sleeve, the green shunting inner core and the converging runner, yellow and green raw materials are fully shunted and then converged during high-speed extrusion, the fusion time is prolonged, and the appearance quality of a product is improved.

The utility model belongs to the field of pre-filling needle conveying, and provides a pre-filling needle flow dividing device which comprises a fixed bottom plate, a supporting plate is arranged at the upper end of the fixed bottom plate, and a flow dividing middle plate, two flow dividing side plates and a Y-shaped sliding way are arranged on the supporting plate. The Y-shaped slide way comprises a feeding section, two discharging sections which are spaced in parallel and a shunting section between the feeding section and the discharging sections; a rotary blocking assembly is arranged at the joint of the feeding section and the flow dividing section. An air blowing structure capable of blowing air into the slide way is arranged on the shunting side plate; a discharging port of each discharging section is connected with a turning type flow dividing sliding way, and the turning type flow dividing sliding ways are bent outwards in an arc shape in the horizontal direction. The pre-filling needle shunting device provided by the utility model is provided with the air blowing structure capable of blowing air into the slide way, so that a product can smoothly pass through the slide way, the blockage condition is prevented, the turning shunting slide way is adopted, the gliding speed of the product is slowed down, and the needle breaking condition caused by over-high speed of the product is prevented.

The invention provides a fluid shunting device and semiconductor equipment. The fluid shunting device comprises a shunting cavity, a plurality of groups of first adjusting plates and a plurality of first driving assemblies, the flow dividing cavity is hollow and comprises a spraying plate located at the bottom of the flow dividing cavity, a plurality of sets of through holes distributed at intervals are formed in the spraying plate in a penetrating mode, and each partition of the spraying plate at least corresponds to one set of through holes; the first adjusting plates and the through holes are arranged in a one-to-one correspondence manner, and the first adjusting plates are rotatably arranged at the through holes of the corresponding spraying plates; each first driving assembly is in driving connection with the corresponding set of first adjusting plates, and one first driving assembly drives the corresponding set of first adjusting plates to rotate so as to adjust the flow and / or direction of fluid in the corresponding set of through holes. The first driving assembly drives the corresponding group of first adjusting plates to rotate, and the first adjusting plates are rotated to different angles, so that the flow and / or direction of fluid in the through holes of each subarea can be independently adjusted.

The invention relates to a shunt tank system (1) for a construction machine having a radiator (2) and a water pump (3) connected to an upper water chamber (201) and a lower water chamber (202) of the radiator (2). The system includes a shunt tank (102) and a filling tank (101), where the top of the shunt tank (102) is lower and the top of the filling tank (101) is higher than the upper water chamber (201). The filling tank (101) communicates with the radiator (2) through a first communication passage (11) and with the shunt tank (102) through a second communication passage (12) extending below a preset liquid level (L). The shunt tank (102) has a bottom connection port (102b) linked to the water pump (3). The invention also concerns a liquid filling method and a construction machine using this system.