89 results about "Fluid system" patented technology

The utility model discloses a steam generator module, including shell, set up in shell be used for heating fluid heating system and be used for controlling fluid to enter and discharge heating system's fluid system, the heating system includes electric heating main part and sets up on electric heating main part electric heating pipe, be equipped with the chamber without partition in electric heating main part, the water inlet and water outlet that electric heating main part both ends are equipped with with chamber intercommunication, the position of between the water inlet and water outlet in the chamber is provided with filter system, the utility model discloses optimization internal structure and filter screen, improve the steam production efficiency, reach the purpose that both filter scale and do not block product channel simultaneously.

Many conduit, piping and tubing systems comprise interconnected components. The connector assemblies comprises a main body, optionally at least one sealing member, at least one gripper assembly, and a locking mechanism. The piping joint assembly or connection assembly may be used in fluid flow systems, pressurized systems, and conduit systems, for example. Embodiments of the joint assemblies, connection assembly, and methods facilitate a simple connection, simple disconnect, repair and reuse of the joint assembly or components of the joint assembly.

A fluid transport system, a fluid transport method, and a biochemical substance analysis device are disclosed. The fluid transport system includes a fluid storage module, a fluid usage module, a fluid distribution module, and a fluid drive module. The fluid storage module stores fluid. The fluid usage module includes multiple independent channels, each channel having one end connected to the fluid storage module via the fluid distribution module and the other end connected to the fluid drive module. The fluid distribution module selects the transport direction of the fluid. The fluid drive module generates driving force, causing the fluid in the fluid storage module to be independently loaded into each channel via the fluid distribution module. The fluid transport system of this application has a simple structure, low cost, and can realize the function of independently loading samples into each channel. It is also simple to operate and can achieve automated loading.

The present application provides a kind of fluid valve, fluid system, construction machinery and control method. The independent regulating valve (2) of the present application is provided with valve body (3) and outlet regulating spool (15). Valve body (3) has: each discharge port (D1), (D2), which is connected with any one of each port (Rp), (Hp) arranged to hydraulic cylinder (113) driven by working oil;And each tank port (T1), (T2) is connected with each discharge flow path (135), (136). Outlet regulating spool (15) makes stem port (Rp) only communicate with cover port (Hp), or makes stem port (Rp) only communicate with the (2) tank port (T2), or makes stem port (Rp) communicate with cover port (Hp) and the (2) tank port (T2).

The present invention provides a fluid component body having a leak test passage. [Solution] To test for leaks passing through each valve body seal of the manifold valve assembly 610, in an exemplary manner, the manifold assembly is installed in a fluid system under vacuum and connected to a leak detection device (e.g., a mass spectrometer), and a test fluid (e.g., a tracer gas such as helium or hydrogen) is sequentially supplied to each of the leak test ports 663a, 663b, and the leak detection device is used to measure the ingress of the test fluid into the valve cavities 612a, 612b that have passed through the body seal (e.g., due to discontinuities or contaminants in the bead section or outer seal surfaces 625a, 625b) to identify leaks in the body seal.

The application discloses a DNA molecule manipulation chip based on electric field and bending micro-channel coupling driving, which comprises a glass substrate and a structure layer, the structure layer is arranged on the glass substrate, at least one group of micro-fluid systems are arranged in the structure layer, two ends of the micro-fluid system are respectively communicated with a liquid inlet hole and a liquid outlet hole, the liquid inlet hole and the liquid outlet hole are vertically arranged through the structure layer, electrodes are respectively inserted into the liquid inlet hole and the liquid outlet hole, and the electrodes are used for applying direct current voltage to generate a spatial non-uniform electric field; a control method applied to the chip comprises the following steps: chip pretreatment, application of driving electric field, DNA molecule acceleration and polarization, DNA molecule positive dielectrophoresis focusing and migration; the application realizes high-efficiency mechanical-free focusing of the DNA molecules, and greatly improves the precision of subsequent optical detection and separation.

A flow rate sensor that can be integrated with a component of a fluid system includes a housing having fluid ports attached to the component and an internal cavity having a spindle and a rotor comprised of a plurality of paddles attached to a hub rotatably mounted on the spindle. The paddles rotate the hub around the spindle when a fluid is introduced into the cavity from a fluid port. A magnetic element attached to the hub rotates along with the rotor. A magnetic switch located in a sealed compartment is in magnetic alignment with the magnetic field produced by the magnetic element. Rotation of the magnetic element causes the magnetic switch to generate electrical signals corresponding to the rate of fluid flowing into the sensor from the component.

This invention relates to the field of pipe blockage detection technology and discloses a pipe blockage detection method for a squeeze-type fluid conveying device, comprising: acquiring at least one response parameter associated with the load state of the squeeze actuator during each squeeze drive cycle; comparing the response parameter with a pre-established normal response model of the squeeze-fluid system; and determining that the fluid pipeline is blocked and triggering a blockage response when the response parameter continuously deviates from the normal response model and meets a preset continuous judgment condition during multiple consecutive squeeze drive cycles. This invention effectively overcomes the problem of strong detection lag in existing technologies by establishing a real-time correlation mechanism between the squeeze action and the pressure change inside the pipe, synchronously acquiring and analyzing pressure signals in each squeeze cycle, thereby achieving dynamic and real-time monitoring of the pipeline status.

The application discloses an electric wafer type double-cycle temperature control device, which comprises a circulating fluid system and a plant water system; the circulating fluid system comprises a circulating liquid electric crystal refrigeration tank, an electric wafer, a flow meter, a water pump, a water tank, a plurality of pressure sensors, a temperature sensor, an electromagnetic valve and a filter assembly; the plant water system comprises a plant water electric crystal refrigeration tank, a water inlet valve and a water outlet valve; the electric wafer is arranged between the circulating liquid electric crystal refrigeration tank and the plant water electric crystal refrigeration tank and realizes directional heat transfer through the Peltier effect. The system realizes high-precision filtration through the microparticle filter arranged at the inlet end of the circulating liquid and realizes temperature control of ±0.01 DEG C through the quick response characteristic of the electric wafer; meanwhile, the system realizes double-mode switching of refrigeration and heating by changing the power supply current direction of the electric wafer, and does not need to configure an independent heating structure. The application has the advantages of simple structure, quick response, high temperature control precision and green environmental protection and is suitable for high-precision temperature control demand scenes.

Injection device for subcutaneous gas injection, assembly and associated method. The present invention relates to a gas injection device (16) comprising: - a body (18), extending around a central axis (A-A'), - an application head (22) defining a bearing surface (46) of the device (16) on a body surface (13), - a fluidic system (20) extending within the body (18) around the central axis (A-A'), the fluidic system (20) comprising a gas reservoir and having a needle attachment member (56) for receiving a microneedle (58) and a gas distribution system connecting the reservoir to the attachment member (56), - an actuating member (24) mounted on the body (18) movable in translation along the central axis (A-A') around the fluidic system (22), - a detachable microneedle (58) configured to be fixed on the fixing member (56) of the actuating member (24). Figure for the abbreviation: figure 2

The present disclosure relates to a fluidics system with vacuum sampling. The fluidics system comprises a flow cell, a sampling subsystem, a sheath subsystem, a waste subsystem and a compressed air subsystem. The sampling subsystem is coupled with an inlet of the flow cell and provides sample fluid to the flow cell. The sheath subsystem is coupled with the inlet of the flow cell and provides sheath fluid to the flow cell. The waste subsystem is coupled with an outlet of the flow cell, and the sheath fluid and the sample fluid are discharged from the waste subsystem after passing through the outlet of the flow cell. The compressed air subsystem is coupled with the sheath subsystem and provides compressed air to the sheath subsystem. Further provided are a sample processor and a method for controlling a sample flow rate in the sample processor according to the present disclosure. The fluidics system, the sample processor and the method for controlling the sample flow rate in the sample processor according to the present disclosure can achieve significantly improved control accuracy.

This invention relates to the field of drawing fluid technology, and discloses a water-based steel cord drawing fluid composition and its preparation method. The raw materials for preparing the water-based steel cord drawing fluid composition include: water, base oil, oiliness agent, extreme pressure anti-wear agent, surfactant, alkali, rust inhibitor, defoamer, carboxylic acid complexing agent, and organophosphonate complexing agent. The carboxylic acid complexing agent is at least one of tetrasodium glutamate diacetate and trisodium methylglycine diacetate; the organophosphonate complexing agent is at least one of tetrasodium aminotrimethylene phosphonate and butane-1,2,4-tricarboxylic acid 2-phosphonate. This invention, by using a combination of carboxylic acid complexing agent and organophosphonate complexing agent, solves the technical problem of easy dissociation of complexes and the inability to maintain the stability of the drawing fluid composition when only carboxylic acid complexing agent is used to replace ethylenediamine and its derivatives. This further ensures the long-term stability of the drawing fluid system under high-speed steel cord drawing conditions, ensuring that the core performance of the drawing fluid, such as lubrication and rust prevention, remains unchanged.

A fluid system, a biochemical analysis and detection platform and a fluid operation method are provided. The fluid system includes: one or more first main flow paths configured to be connected with a reagent storage chamber; a second main flow path; a reaction flow path including a flow cell; a bypass flow path connected in parallel with the reaction flow path; a third main flow path; one or more branched flow paths; a first switching component connected to the one or more first main flow paths, the second main flow path and at least one of the one or more branched flow paths; a second switching component connected to the second main flow path, the reaction flow path and the bypass flow path; and a third switching component connected to the third main flow path, the reaction flow path and the bypass flow path.

This invention relates to an anti-cavitation device and method for fluid pipelines. The invention includes a fluid pipeline with a bend; a guide vane assembly disposed within the bend to guide the fluid flow at the bend; wherein the guide vane assembly includes a guide vane body, the guide vane body including guide vanes extending towards the outlet of the bend, the guide vanes being circumferentially arranged around the axis of the guide vane body, so that the fluid forms a controlled pre-swirling flow field before entering the bend outlet. This invention, by installing a guide vane-type device at the bend of the fluid system pipeline, changes the flow direction of the liquid, avoids abrupt changes in liquid velocity at the bend, eliminates boundary layer diversion, increases the absolute pressure inside the bend, and thus improves the cavitation resistance of the entire pipeline system.

Intravascular blood pumps and methods of use. The fluid system can be configured to pump fluid to a sheath portion and a catheter portion of a catheter blood pump. The fluid system can include a console having one or more pumps for providing fluid flow to the catheter blood pump. A return waste line may return from the catheter blood pump. A removable fluid cassette that directs fluid flow may be coupled to the console. The blood pump may include a pump portion that includes a collapsible blood conduit defining a blood flow lumen between an inflow and an outflow. The pump portion may include a distal collapsible impeller axially spaced from a proximal collapsible impeller, at least a portion of each of the distal and proximal collapsible impellers disposed between the inflow and the outflow.

A fluidic system for producing extracellular vesicles from suspended producer cells, including at least one container, a liquid medium contained in the container, suspended producer cells, a liquid medium agitator, a device for controlling the speed of the agitator suitable for the growth of the suspended producer cells, wherein the device for controlling the speed of the agitator, the agitator and the shape and dimensions of the container are suitable for generating a turbulent flow of the liquid medium in the container for exerting shear stresses on the producer cells in order to carry out the production of extracellular vesicles, the Kolmogorov length of the flow being less than or equal to 50 μm.

A robotic catheter system having fluidics system including a pump station interface with a contrast pump actuator, a camera, a peristaltic pump actuator, and an electrical interface, and a cassette having a distal side and a proximal side, the proximal side of the cassette configured to releasably couple to the pump station interface, the cassette comprising a contrast pump, a saline channel configured to interface with the peristaltic pump actuator, and a drip chamber and clot pod positioned in the cassette to be adjacent to the camera when the cassette is coupled to the interface.

The present invention relates to a device for producing a medical solution, preferably a concentrated dialysis solution, comprising a fluid system with a main circuit and a branched section connected thereto. The main circuit contains a pump and a product container, and the liquid circulates within it via the pump. A raw material container can be attached to the branched section. This branched section includes a suction line extending from the attachable raw material container to a suction unit in the main circuit. The suction unit is designed to draw the liquid, along with the undissolved raw material, from the suction line and introduce it into the liquid flowing through the main circuit.In addition, the main circuit includes a fine mixing chamber located between the suction unit and the product container. This fine mixing chamber has two connectors and a retention element, positioned between the connectors, for the undissolved raw material.

Methods, articles, and fluidic systems for sorting and growing organoids are generally provided. Organoids may be useful for various applications, such as certain types of biological studies, or for testing the biocompatibility and performance of drugs. However, conventional methods often struggle to identify, isolate, and use organoids. In some embodiments, using the droplet-based methods and associated articles and fluidic systems provided herein, organoids may be selected, isolated, and studied.

Systems and apparatuses are included that are configured to determine an effectiveness of apparatus and methods used to diagnose and unblock microvascular obstruction (MVO). An infusion system blocks antegrade flow for a short time and measures vascular pressure response as an infusate is infused in stepwise fashion at increasingly higher flow rates. During the antegrade flow occlusion, calculations of a real-time vascular resistance can be obtained using a formula R(t)=(t) / Qmean(t) where: Qmean (t) is flow mean values generated by the infusion system; P(t) is a distal pressure response in a vessel generated from the infusion of the infusate; and R(t) is the calculated real-time vascular resistance using the two other known parameters.

The application provides an acid-washing high-density completion fluid and a preparation method thereof. The raw materials of the completion fluid include: 100 parts of water, 0.5-1.5 parts of a high-temperature viscosity-increasing and filtration-reducing agent, 0.2-0.6 parts of potassium hydroxide, 3-5 parts of a lignite resin filtration-reducing agent, 2-4 parts of a sulfonated asphalt plugging agent, 0.5-3 parts of a dispersion viscosity-reducing agent, 5-10 parts of potassium formate, 2-3 parts of a silicone filtration-reducing agent, 160-400 parts of an acid-soluble weighting agent and 5-6 parts of an inhibitor. The completion fluid system has good high-temperature stability, pressure-bearing temporary plugging reservoir protection and acid-washing and plugging removal capacity, can better prevent the high-density weighting agent from settling in the completion process, can promote the harmful solid-liquid phase to be discharged as much as possible after completion, can improve the reservoir permeability and the reservoir production, can timely flow back the drilling and completion fluid leaked to the formation from a single well bore, and can ensure that the drilling and completion fluid in the formation is discharged as completely as possible.

Passive fluid system (e.g. gravity driven) flow channel having hydraulic diameter and inclined at pitch angle θ calculated by arcsin((Re_max * 32 * μ^2) / (ρ^2 * g * Dh^3)) to maintain laminar flow. R

A hammer (102) comprising a housing (116) and a power cell. The power cell comprising a reciprocating piston and a fluid system configured to drive the reciprocating piston into an out of engagement with a hammer tool (114). The housing (116) comprising one or more walls defining an interior of the housing (116) in which is disposed the power cell. The hammer (102) further comprising a swivel coupling (160) for coupling a fluid supply line of a work machine to the fluid system of the power cell, wherein the swivel coupling (160) is fully contained within the interior of the housing (116).

The utility model belongs to valve technical field especially relates to a microbubble exhaust valve, the both ends of valve body are connected with the pipe connection, are used for connecting with fluid system, realize the input and output of fluid, the top fixed connection of valve body has the valve cover, the bottom of valve cover is connected with steel brush, the inner wall of valve cover bottom forms the streamlined exhaust passage through the arc block of several circumferences setting, setting streamlined exhaust passage helps air to go up along with the passage vortex, is more favorable to exhaust, the inside of valve cover is provided with exhaust component, when the water flow enters microbubble exhaust valve, water flow passes through steel brush, promotes the bubble release and focuses, the bubble enters streamlined exhaust passage, and rises under the action of vortex, finally discharges through exhaust component.

This invention relates to the field of gate valve technology, specifically to a gate valve with a valve core protection structure, comprising a valve disc, a valve core coaxially inserted within the valve disc, and operated vertically and coaxially by a valve stem. A sealing cover is provided at the top of the valve body, through which the valve stem slides, supported by a support column and mounting plate. A cylindrical seat is coaxially provided at the bottom of the valve core, with a sliding rod inserted around its outer circumference and equipped with a scraper. A first top spring keeps the valve core in contact with the inner wall of the valve disc, extending its lifespan. An isolation cover is coaxially provided at the bottom of the sealing cover; a semi-circular protective plate achieves isolation and sealing through hinges, protecting the bottom of the valve core. A top rod is connected to the bottom of the sealing cover via an L-shaped hanger, and has a gear system at its top, allowing the valve core to be raised and lowered via a handwheel. A first bevel is provided at the bottom of the valve core, forming a seal with a second bevel on the inner annular surface of the valve disc. This gate valve design features a reliable valve core protection structure, is suitable for various industrial applications, and ensures the safe and stable operation of fluid systems.

This invention belongs to the technical field of drilling fluid filtration loss reducers, specifically relating to a hydroxynaphthalenesulfonic acid-modified cellulose drilling fluid filtration loss reducer, its preparation, and its application. The filtration loss reducer comprises hydroxynaphthalenesulfonic acid-modified cellulose; the cellulose is a carboxyl-modified cellulose; the monomeric structural formula of the hydroxynaphthalenesulfonic acid or hydroxynaphthalenesulfonate is shown below: The structural formula includes at least one -OH group at each position except for the sulfonic acid group. The filtration loss reducer exhibits excellent thermal stability, withstanding temperatures up to 200℃; strong resistance to salt and calcium / magnesium; effectively increasing drilling fluid viscosity, reducing filtration loss, and improving mud cake quality; inhibiting clay dispersion, controlling formation mud production, and ensuring drilling fluid cleanliness; reducing wellbore enlargement, which is beneficial for protecting oil and gas reservoirs. It is particularly suitable for seawater drilling fluid systems, and deep and ultra-deep well drilling fluid systems.

The invention relates to a flow meter (DMV) for fluid systems, comprising a main channel (1) and a bypass channel (5) connected to the main channel (1) via branch lines (3). A pin-shaped flow resistance element (4) with a non-circular cross-section for flow control and a flow control device (8, 11) for generating a homogeneous, unidirectional flow at the measuring element (6) are arranged in the bypass channel (5). This combination enables precise and reliable flow measurement, which is particularly suitable for small device designs.

Disclosed features relate to systems and methods for handling fluids in connection with portable beverage systems. In some embodiments, a portable beverage container includes a housing with an opening having a port to receive pressurized gas to fill a gas tank of the portable beverage container. In some embodiments, a portable beverage container includes a lid with a base, an isolation chamber receptacle attached to the base, and a valve having a valve gate movable to selectively resist or permit fluid communication through one of more openings and into an interior space of the receptacle. In some embodiments, a fluid system includes a coupling to enable attachment of a source tank of pressurized fluid to downstream components of the fluid system, such as a beverage container. In some embodiments, a refill station includes a linkage which correlates the positioning of a housing door to the positioning of a tank support.