102 results about "Fluid interface" patented technology

The invention discloses a capillary pressure and contact angle synchronous characterization method and device of a microfluidic fluid interface, and relates to the field of interface analysis and multiphase seepage in pore media, and the method comprises the following steps: based on a pre-configured pore, particle and fluid binary image, distinguishing and extracting a fluid-particle contact interface contour and an attack / defense fluid interface contour; fitting and determining the curvature radius of each fluid interface contour through a watershed region division algorithm and reordering smoothing of Fourier descriptors; generating a multi-level size pore space based on the pore binary image, and obtaining a pore overlook radius; calculating a necking angle in combination with the curvature radius and the multi-stage size pore space to obtain an apparent contact angle and an intrinsic contact angle; and calculating the capillary pressure of the attack / defense fluid interface by combining the curvature radius, the pore overlook radius, the chip depth and the interfacial tension. According to the invention, high-precision technical support is provided for micro-fluidic multiphase seepage research.

A cooling system for a modular power control system (MPCS) is provided. The MPCS comprises modules. Each module has a chassis with a first manifold segment for first common manifold and a second manifold segment for second common manifold. When the modules are mounts to each other, the first manifold segments align to form the first common manifold and the second manifold segments align to form the second common manifold, providing two fluid channels between endcaps. The chassis of at least two modules further have a first opening providing a fluid interface region between the first common manifold and a module specific flow path, and a second opening providing a fluid interface region between the module specific flow path and the second common manifold. The module specific flow path provides at least one fluid branch between the first common manifold and the second common manifold.

The utility model discloses a charging plug, a charging gun and a connector assembly, and relates to the technical field of ground maintenance. The charging plug comprises a plug body, the end face of the plug body is provided with a plurality of charging terminals and a plurality of fluid interfaces, the plug body further defines a fluid channel and a fluid flowing cavity, and the fluid channel is used for being connected with a cooling source; the fluid flowing-through cavity is communicated with the fluid channel and the fluid connector, the fluid flowing-through cavity is used for allowing heat exchange fluid from a cooling source to flow through, and the fluid connector is used for being communicated with a cooling loop of external equipment; the fluid channel defined by the charging plug is used for being connected with a cooling source, and the fluid flowing cavity is communicated with the fluid channel and the fluid interface, so that the charging plug can be conveniently and quickly communicated with a cooling loop of external equipment such as an electric vehicle through the fluid interface on the charging plug. Therefore, heat management is efficiently carried out on parts to be cooled, such as the power battery pack, of the external equipment, and the heat management capability is improved.

Disclosed in the present invention is a design method for a high-bearing-capacity low-friction friction pair with a self-repairing super-slippery surface. The method comprises: S1, designing a dynamic pressure groove bottom of a friction pair to be a super-slippery surface; S2, designing micro-channels of the groove bottom; S3, designing outer-side lubricant supply and recovery channels; and S4, applying shear stress to the super-slippery surface and a fluid interface. The super-slip modification of the dynamic pressure groove bottom can increase the aggregation speed of a fluid in a groove to a groove root, improve the dynamic pressure of the fluid, and reduce the friction energy consumption. For a sliding block friction pair, it can be obtained through experiments that the bearing capacity of a liquid membrane can be increased by 252.66% and the viscous friction force is reduced by 19.98%.

A method of determining at least one fluid interface in at least one annulus surrounding a tubing of a wellbore, the method comprising: providing a buoyancy module, floating the buoyancy module at the at least one fluid interface; generating an acoustic signal with an acoustic signal generator connected to the buoyancy module; detecting the acoustic signal with an optical signal carried within an optical fibre arranged in the longitudinal direction of the tubing.

The invention relates to a component module (1) of a heat pump system for vehicles, in particular battery electric vehicles (BEVs), which comprises at least the following components: a compressor with a compressor housing (2) which extends along a compressor rotation axis (R) with its body length, a first heat exchanger (3) and a second heat exchanger (4) which have a body length greater than a body width, a refrigerant reservoir (5), a fluid distribution device (6) which is configured to influence a refrigerant flow path, refrigerant fluid interfaces (3.3, 4.3, 4.4, 4.5, 4.6, 7.1, 13), coolant fluid interfaces (3.1, 3.2, 4.1, 4.2) and refrigerant fluid lines (8.1, 8.2, 8.3, 8.4, 8.5) which fluidically connect the components, wherein - the first heat exchanger (3) is oriented with its body length along a first principal direction (T1), - the second heat exchanger (4) is oriented with its body length orthogonal to the first principal direction (T1) along a vertical direction (V), and - the compressor housing (2) is oriented with its body length along a second principal direction (T2), which is offset in a longitudinal direction (L) and parallel to the first principal direction (T1).

A fluid detection system includes a wicking material to draw fluid away from a first location with space limitations and proximate to a fluid device or a fluid interface. The wicking material draws the fluid to a remote fluid indicator at a second location. Contact between fluid and the remote fluid indicator produces a detectable alteration to the remote fluid indicator, and a non-contact optical sensor detects the alteration.

Methods for locating fluid interfaces in a cased wellbore include generating vibrations in the casing, thereby forming oscillations in the wellbore fluids and the casing. The oscillations are detected by a vibration detector. The oscillations are recorded by a data acquisition system. Mathematical processing of the oscillations by cepstrum analysis is performed to determine the depths of interfaces between fluids in the annulus. The methods may also be employed to determine the time at which a cement slurry begins to set and harden. The methods may be performed in real time.

The invention belongs to the field of porous medium multiphase flow research, and particularly relates to a three-dimensional micro-fluidic multiphase flow chip experimental platform based on a vibration condition and an experimental method of the three-dimensional micro-fluidic multiphase flow chip experimental platform based on the vibration condition. The device can simulate the micromechanism of oil-water-gas three-phase flow, and the micro-fluidic chip is arranged on the three-dimensional vibration table, so that the dynamic change of a multi-phase fluid interface is observed in real time through the high-speed camera under different vibration frequencies and amplitude conditions, and the influence of the dynamic change on the flow characteristics is analyzed. Through experiments, the influence of vibration conditions on residual oil mobilization can be discussed, and a microscopic basis is provided for optimizing a vibration-assisted oil extraction technology. A novel research tool and an experiment platform are provided for improving the recovery efficiency and developing complex reservoirs, and the development of the vibration oil extraction technology is promoted.

The invention discloses a heating device, a manufacturing method thereof and a household appliance, and relates to the technical field of heating devices. The heating device specifically comprises a heating accessory, a water nozzle and a second support. The heating accessory is provided with at least one fluid cavity and fluid connectors arranged at the two ends of the fluid cavity. The water nozzle is detachably connected to the fluid interface; the second support is connected to the side, facing the water nozzle, of the heating accessory, a second through hole is formed in the second support, and one end of the water nozzle penetrates through and extends out of the second through hole; and the water nozzle can be moved in or out from the second through hole and is assembled and disassembled on the fluid interface. And the water nozzle can directly extend into the through hole and is mounted at the fluid interface, so that the mounting steps of the water nozzle are greatly simplified. Meanwhile, the water nozzle can be directly detached through the second through hole, the second support does not need to be detached, and the water nozzle can be conveniently overhauled or replaced.

A pharmaceutical preparation system is provided defining first and second axes which intersect each other. The system includes: at least one platform comprising at least one container-receiving module configured to receive a first container; a first mechanism operably connected to the platform for linearly displacing the platform along the first axis; a manipulator configured for holding and manipulating a second container; a second mechanism operably connected to the manipulator for linearly displacing the manipulator along the second axis; and a controller configured for: a. instructing the second mechanism to linearly displace the manipulator; b. instructing the first mechanism to linearly displace the platform; and c. synchronizing actuation of the first and second mechanisms to enable a fluid interface between the first container received at the at least one container-receiving module and the second container held by the manipulator.

Component module (1) of a heat pump system for vehicles, in particular battery-electric vehicles (BEVs), which has at least the following components: a compressor with a compressor housing (2) which extends with its body length along a compressor rotation axis (R), a first heat exchanger (3) and a second heat exchanger (4) which have a body length greater than a body width, a collecting container (5) for refrigerant, a fluid distribution device (6) which is designed to influence a refrigerant flow path, refrigerant fluid interfaces (3.3, 4.3, 4.4, 4.5, 4.6, 7.1, 13), coolant fluid interfaces (3.1, 3.2, 4.1, 4.2) and refrigerant fluid lines (8.1, 8.2, 8.3, 8.4, 8.5) which fluidically connect the components to one another, wherein - the first heat exchanger (3) is oriented with its body length along a first main direction (T1), - the second heat exchanger (4) is oriented with its body length orthogonal to the first main direction (T1) along a vertical direction (V), and - the compressor housing (2) is oriented with its body length along a second main direction (T2) which is offset in a longitudinal direction (L) and parallel to the first main direction (T1), characterized in that the first heat exchanger (3) is designed as an evaporator (chiller) for refrigerant, wherein the second heat exchanger (4) is designed as a condenser with an internal heat exchanger for refrigerant.

The present invention relates to the technical field of heating devices. Disclosed are a heating device and a manufacturing method therefor, and a household appliance. The heating device specifically comprises a heating accessory, water nozzles, and second supports. The heating accessory is provided with at least one fluid channel and fluid interfaces arranged at two ends of the fluid channel; the water nozzles are detachably connected to the respective fluid interfaces; the second supports are connected to the side of the heating accessory facing the water nozzles, a second through hole is formed in each second support, and one end of the corresponding water nozzle passes through and extends out of the second through hole, wherein the water nozzle can be moved into or out of the second through hole and can be detachably mounted to the fluid interface. The water nozzle can directly extend into the through hole and be mounted to the fluid interface, greatly simplifying the mounting steps of the water nozzle. In addition, the water nozzle can also be directly removed via the second through hole without removing the corresponding second support, thereby facilitating maintenance or replacement of the water nozzle.

The application discloses a charging plug, a charging gun and a joint assembly, and relates to the technical field of ground maintenance. The fluid channel defined by the charging plug is used for connecting a cooling source. The fluid flow cavities are respectively connected with the fluid channel and the fluid interface, so that the cooling circuit of external equipment such as an electric vehicle can be connected with the fluid interface on the charging plug conveniently and quickly, and the heat management capability is improved. In addition, the charging plug can switch the in-out liquid direction through the first and second fluid flow cavities, so that the internal temperature difference of the battery system of the corresponding external equipment can be reduced through the timing switching. Alternatively, the heat exchange fluid in the loop connection cavity can independently perform heat management through the cooling circuit of the external equipment, which is beneficial to improving the accuracy of heat management on the external equipment, improving the temperature uniformity of each position of the external equipment, and enabling the heat exchange fluid in the charging cooling cavity to independently dissipate heat for the to-be-cooled charging terminal or the charging wire harness.

The invention relates to a microfluidic cartridge (20) for detecting analytes in an analysis sample, comprising a cartridge body (22) which has a fluid interface (30) for connecting to a sample container (10). The cartridge body is equipped with: - a fluid reservoir (32) for a sample receiving liquid (52), a main fluid channel (34) which connects the fluid reservoir to the fluid interface, and a pump device (36) for bidirectionally pumping fluid between the fluid reservoir (32) and the fluid interface (30) through the main fluid channel (34), - an activatable closure (38) for the main fluid channel (34), said closure being arranged between the fluid reservoir (32) and the fluid interface (30), - an auxiliary fluid channel (40) which branches off from the main fluid channel (34) at a branch-off point (42) arranged between the activatable closure (38) and the fluid reservoir (32), - a detection chamber (44) for detecting the analyte by means of a biochip (54), comprising a fluid inlet and a fluid outlet, wherein the auxiliary fluid channel (40) connects the branch-off point (42) of the main fluid channel to the fluid inlet of the detection chamber (44), - a reaction chamber (46) for amplifying the analyte to be detected in the analysis sample, comprising a fluid inlet and a fluid outlet, said fluid outlet of the detection chamber (44) being connected to the fluid inlet of the reaction chamber (46), and - a blind-alley pressure chamber (48) with only one fluid inlet which is connected to the fluid outlet of the reaction chamber (46).

The utility model provides an interface connecting joint, which is applied between a compressor and a pipeline system and is characterized in that a fixing piece is provided with a first fluid channel, and the first end of the first fluid channel is communicated with the pipeline system; the adjusting part is provided with a second fluid channel, offset exists between the axis of the first end face of the second fluid channel and the axis of the second end face of the second fluid channel, the first end of the second fluid channel communicates with a fluid connector of the compressor, and the second end of the second fluid channel communicates with the second end of the first fluid channel. The adjusting device is used for adjusting pipeline connection deviation between the compressor and the pipeline system; the adjusting piece is fixedly connected with a shell of the compressor through the fixing piece, and a sealing structure is arranged between the fixing piece and the adjusting piece to achieve sealing of the connector connecting joint. According to the utility model, the offset design is introduced into the adjusting piece, so that the installation positioning deviation caused by a hard pipe connection mode between the compressor and the pipeline system is effectively solved, and the alignment connection of the compressor and the pipeline system interface is realized.

Disclosed is an embodiment of an apparatus comprising a utility section adapted to be positioned in a server chassis and adapted to couple with an electronics section in the server chassis. The utility section comprises a power distribution panel, a fluid handling module, a fan module electrically coupled with the power distribution panel, or both the fluid handling module and the fan module. An external power interface is adapted to electrically couple the power distribution panel with a rack power supply, and an internal power interface is adapted to electrically couple the power distribution panel with one or more servers in the electronics section within the chassis. An external fluid interface is adapted to fluidly couple the fluid handling module with a rack fluid circulation loop, and an internal fluid interface is adapted to fluidly couple the fluid handling module with a server fluid inlet and a server fluid outlet of each of the one or more electronics sections.

This invention discloses a simulation method, apparatus, medium, and device for flip chip underfill, relating to the field of flip chip underfill simulation technology. The invention simulates the flip chip underfill process within a computational domain divided into two meshes in a flow plane perpendicular to the depth direction using a color gradient lattice Boltzmann model. A color function clearly distinguishes between the wetting phase (filler adhesive) and the non-wetting phase (air) to dynamically track the two-phase interface. When simulating the flow field changes during the self-absorption process of flip chip underfill, the average curvature of the interface in the depth direction and the average frictional force of the upper and lower solid walls of the flip chip are introduced to determine the force applied at the two-phase fluid interface, thus reflecting three-dimensional physical effects. While maintaining near-two-dimensional computational costs, this invention significantly improves the accuracy of flip chip underfill simulation and can quickly predict the entire flip chip underfill process at a lower cost.

A distributor assembly (14), particularly designed for a separation unit (12) of a modular process equipment unit (10), includes a fluid distribution device with a plurality of fluid interfaces (28, 30), wherein the fluid distribution device is capable of selectively establishing and blocking flow connections between the fluid interfaces (28, 30). The distributor assembly also includes an interface element (42) and a fastening element (58). The interface element (42) is mountable on one of the fluid interfaces (30), and the distributor assembly (14) has an associated mounting groove (60) at the fluid interface (30). The mounting groove (60) is adapted to the shape of the fastening element (58) such that the fastening element (58) can be introduced into the mounting groove (60) up to a defined fastening position in which the fastening element (58) engages with and secures the interface element (42).

A pharmaceutical preparation system configured for being positioned within an enclosure and for being operated for performing transfer of fluid between at least one container and at least one fluid transfer assembly while being positioned therewithin. The enclosure comprising an airflow source operative to generate an airflow along a vertical airflow path, said pharmaceutical preparation system having a vertical axis and comprising: at least one platform comprising a platform upper surface; at least one container-receiving module configured to receive the container, the container-receiving module comprising a main body and a fluid interface portion configured to accommodate a fluid transfer element of the container for said transfer of fluid to be performed therethrough, the main body being positioned at least partially vertically above the platform upper surface and at least a part of the fluid interface portion extending from the main body away from the platform upper surface in a direction transverse to the vertical axis; and a virtual vertical column extending along the vertical axis and including the fluid interface portion, wherein when the pharmaceutical preparation system is positioned within the enclosure and the airflow is being generated, said vertical virtual column at least partially defines a portion of said airflow path, said vertical virtual column comprising an upper column portion extending above the fluid interface portion and a lower column portion extending below the fluid interface portion, at least said upper column portion being at least selectively free of nonlaminar obstructions at least along the vertical axis.

The invention relates to the technical field of thermal protection of airborne electronic equipment, provides a liquid cooling structure of an ultraviolet light guide flame detector for aviation, and solves the problem of insufficient protection function of an existing thermal liquid cooling structure. The circuit board connector comprises a shell part (1), a cover plate part (2), a coaxial tube part (3) and a connector (4), and the shell part (1) and the cover plate part (2) are combined to form a cavity for containing a circuit board to be installed and used; the coaxial tube component (3) is arranged at a fluid interface of the shell component (1) and the cover plate component (2), so that internal flow channels of the shell component (1) and the cover plate component (2) are combined into the same liquid cooling flow channel; the connector (4) is installed on the surface of the cover plate component (2), and a contact pin of the connector (4) is connected with an internal circuit board and used for signal crosslinking inside and outside a product. The method is suitable for a new generation of aero-engines.

The invention relates to a method for providing a complex airfoil (1), in particular a commercial aircraft, with a fluid-dynamically effective film (20) having a micro-structured surface. The airfoil (1) has at least one identifiable alignment line (11). The method comprises the following steps: – identifying an optimized surface structure for a continuous surface region (10) of the complex airfoil (1), over which surface region a complex flow passes and which surface region directly adjoins at least one alignment line (11); – producing a fluid-dynamically effective film (20) having at least one edge (21) which is provided for alignment along the at least one alignment line (11) and has a micro-structured surface which corresponds to the identified surface structure when the film (20) is arranged as intended; and – applying the produced film (20) to the complex airfoil (1) in such a way that the edge(s) (21) provided for alignment is / are aligned along the alignment line(s) (11) provided therefor and cover(s) the continuous surface region (10). The invention also relates to a complex airfoil (1) which is accordingly provided with a fluid-dynamically effective film (20), and to a film (20) produced for this purpose.

The invention discloses a fuel gear pump fluid-solid coupling method based on RBF reconstruction. The method comprises the following steps: 1, establishing a fuel gear pump model, dividing grids, and carrying out internal flow field simulation to obtain a pressure field cloud picture; step 2, applying a test example to carry out RBF interpolation reconstruction precision verification, selecting a proper primary function by comparing fluid-solid interface data transmission relative errors of the example, and adopting the selected primary function to carry out subsequent gear pump fluid-solid interface flow field reconstruction; 3, gear finite element model preprocessing is carried out, fluid interface pressure data reconstruction is carried out, and then fluid interface data are transmitted to a gear interface; and 4, accurately transmitting the pressure data of the fluid interface to the solid interface through the steps, carrying out fluid-solid coupling solution to obtain a structural stress-strain field cloud picture, and analyzing the contact meshing characteristics of the gear. According to the invention, high-precision parameter transmission of a fluid-solid interface is realized, and coupling analysis of a gear pump pressure field and a gear stress-strain field is carried out.

The pressure fluid storage device for heat mass energy storage comprises storage wells, the storage wells comprise the first storage well and the second storage well which are communicated with each other, a fluid connector is formed in the side wall of the second storage well, and in the plane perpendicular to the center line of the storage wells, the projection of the first storage well covers the projection of the second storage well; the first gravity column is arranged in the first storage well; the second gravity column is arranged in the second storage well; the sealing film is arranged on the second storage well and located between the second gravity column and the second storage well, a sealed space is formed between the sealing film and the second storage well, and the fluid connector is in fluid communication with the sealed space so as to fill or discharge pressure fluid into the sealed space. When the pressure fluid is discharged, the second gravity column is suitable for being switched from the separation position to the embedded position relative to the first gravity column, and when the pressure fluid is discharged, the second gravity column is suitable for being switched from the embedded position to the separation position relative to the first gravity column. The storage device can realize engineering-magnitude fluid flexible sealing and constant-pressure storage.

A fluid interface is disclosed including a fluid controller mounted onto a host structure. The fluid controller includes a manifold with a fluid outlet port and a fluid inlet port. The fluid controller includes fluid sensors operatively configured to measure flow characteristics of one or more fluids transferred between the fluid inlet port and the fluid outlet port, wherein the fluid inlet port is coupled to at least one fluid source. The fluid interface includes a fluid connector mounted onto the host structure. The fluid connector includes an actuator mounted onto the exterior side of the host structure, a valve coupled to an actuator rod of the actuator, and an elastically deforming tubing comprising a first end and a second end, wherein the first end is operatively connected to the valve and the second end is operatively connected to the fluid outlet port.

Embodiments herein relate to calibration of a personal breath tester device. In an embodiment, a calibration system is included having a calibration station having a calibration standard fluid source and a fluid interface. The calibration station can include a first calibration station port and a second calibration station port. The calibration system can include a substance tester device having a first tester port, a second tester port, and a detection element. The substance tester device is configured to be docked to the calibration station such that the first calibration station port is in communication with the first tester port and the second calibration station port is in communication with the second tester port. The calibration station can charge the power supply of the substance tester device and upon receiving a calibration initiation signal, provide a portion of the calibration fluid to the detection element. Other embodiments are also included herein.

A microfluidic apparatus for delivering droplets of a first fluid to droplets of a second fluid, comprising a main channel, with a carrier fluid carrying droplets of the second fluid, an auxiliary channel, fluidly coupled to the main channel at a first intersection via a first orifice with a first fluid interface, and at a second intersection downstream to the first intersection via a second orifice with a second fluid interface, wherein a flow of the carrier fluid induces a difference of pressure between the first and second orifice generating a balance condition such that a meniscus of the second fluid interface is maintained in the auxiliary channel, at the vicinity of the second orifice, wherein a balance deviation triggers a release of a volume of the first fluid from the second fluid interface into the main channel.

The application relates to the field of medical devices, and relates to a stimulating coil replacement device and method and a transcranial magnetic therapy instrument. The device comprises a coil fixing seat, the inside of the coil fixing seat is provided with a mounting portion and an interface assembly for connecting external pipelines, the surface of the coil fixing seat is provided with an operation window corresponding to the interface assembly; the coil carrier is provided with a connecting portion matched with the mounting portion and a connector assembly detachably connected to the interface assembly; a locking piece is detachably connected to the coil fixing seat to lock the connecting portion; a sealing cover plate is detachably connected to the operation window, when the sealing cover plate is in a connected state, the connector assembly is shielded by the sealing cover plate; when the sealing cover plate is detached, the connector assembly is exposed for plugging and unplugging operation. The scheme simplifies the coil replacement process, avoids the use of special tools, effectively protects the key high-voltage and fluid interface during non-operation period, and reduces the risk of interface damage and liquid leakage.

The invention discloses a liquid separation device for automatic library construction, which comprises a patch board, the upper surface of which is provided with a plurality of fluid interfaces communicated with an external injection pump or an air source through conduits; the temperature control structure comprises a low-temperature control area and a normal-temperature control area which are arranged in a mutual heat insulation manner The interface board comprises a laminated micro-fluidic structure of an upper-layer plate, a middle film and a lower-layer plate, the upper-layer plate is provided with a reagent injection port and an air valve interface, the middle film forms a micro-valve which can be controlled to be opened and closed under the action of air pressure, the lower-layer plate forms at least one metering micro-channel and a transmission micro-channel, and a quantitative volume of reagent is injected into the digital micro-fluidic chip through a liquid injection connector at the downstream. The device is compact in structure, reliable in sealing, high in modularization degree and suitable for gene sequencing library construction and related microfluidic automation application.

A combined plumb and level measurement apparatus can comprise a housing defining a sealed chamber and a viewing window with at least one transparent face. A fluid interface between a fluid occupying a first volume within the sealed chamber and a headspace above the fluid provides a level reference across the viewing window. A pendulum within the sealed chamber extends through the fluid and is pivotably supported about a pivot axis proximate a geometric center of the sealed chamber, where the pendulum aligns with a direction of gravity independently of an orientation of the housing to provide a plumb reference visible through the viewing window concurrent with the level reference of the fluid interface. Exterior indicia along a housing circumference include at least a first pair of opposed level reference marks and a second pair of opposed plumb reference marks angularly offset from the opposed level reference marks.