1263 results about "Fluid system" patented technology

A robotic medical system for performing a vascular procedure includes a procedure rail having a drive surface oriented along a generally vertical plane, a rail adjustment system configured to couple to a patient support table and having one or more movable arm segments, a fluidics system, and a plurality of catheter hubs operatively coupled to the procedure rail and configured to be axially translated along the drive surface along a longitudinal axis of the procedure rail. At least one of the plurality of catheter hubs is in fluid communication with the fluidics system, the at least one of the plurality of catheter hubs having a hemostasis valve and a catheter in communication with the hemostasis valve.

A fluidics system includes a cassette having a saline subsystem, a contrast subsystem, and a vacuum subsystem. The fluidics system further includes a splitter and a first tubing set coupled to the cassette and splitter, the first tubing set having a single saline channel, a single contrast channel, and a single vacuum channel. The fluidics system further includes two or more hub assemblies, at least one of the two or more hub assemblies configured to have a third saline flow-path, a third contrast flow-path, and a third vacuum flow-path to provide saline, contrast and vacuum to the lumen of a catheter coupled to the at least one of the two or more hub assemblies. The fluidics system further includes a second tubing set having a plurality of tube groups, each tube group coupled to the splitter and to one of the two or more hub assemblies.

A fluidics system includes a cassette having a saline subsystem, a contrast subsystem, and a vacuum subsystem. The fluidics system further includes a splitter and a first tubing set coupled to the cassette and splitter, the first tubing set having a single saline channel, a single contrast channel, and a single vacuum channel. The fluidics system further includes two or more hub assemblies, at least one of the two or more hub assemblies configured to have a third saline flow-path, a third contrast flow-path, and a third vacuum flow-path to provide saline, contrast and vacuum to the lumen of a catheter coupled to the at least one of the two or more hub assemblies. The fluidics system further includes a second tubing set having a plurality of tube groups, each tube group coupled to the splitter and to one of the two or more hub assemblies.

An assembly includes a plurality of fluid bladders including at least a first fluid bladder and a second fluid bladder, and a fluid manifold in fluid communication with the plurality of bladders. The fluid manifold includes at least a first passage and a second passage. A first port fluidly connects the first fluid bladder to the first passage, a second port fluidly connects the second fluid bladder to the first passage, and a third port fluidly connects the second fluid bladder to the second passage. A first check valve is positioned in the second passage and is moveable between a first position, where fluid enters the third port and inflates the second fluid bladder, and a second position where fluid is directed through the third port to a vent.

A weekly critical fluid system of a thermal management system associated with a turbine engine may include one or more sensors configured to generate a sensor output corresponding to one or more phase properties of a weekly critical fluid flowing through a cooling circuit of the thermal management system, and a controller configured to control the one or more sensors to generate a sensor output corresponding to one or more phase properties of the weekly critical fluid flowing through the cooling circuit of the thermal management system. The controller is configured to generate a control command based at least in part on the sensor output, the control command being configured to control one or more controllable components of the thermal management system. The one or more sensors may include one or more phase detection sensors, such as acoustic sensors.

An assembly is provided with a first layer connected to a second layer to form a bladder, with the first layer defining a first aperture therethrough, and one of the first or second layers defining a second aperture therethough. The third layer is connected to the first layer and positioned between the first and second layers within the bladder. The third layer is movable between a first position covering the first aperture, and a second position spaced apart from the first aperture. A seat assembly is also provided.

Disclosed is an energy-saving control method for a shield tunneling machine, the method comprising: when an advance speed of a shield tunneling machine changes during a tunneling process, according to the change in the advance speed, adjusting one or more of a spoil discharge system (7), a fluid system (10) and an electrical system (11). The spoil discharge system (7) performs adjustment in the following method: calculating a corresponding amount of excavated spoils according to the advance speed, then calculating a theoretical spoil discharge speed according to the amount of excavated spoils, and a matched spoil discharge system (9) adjusting the spoil discharge speed thereof according to the theoretical spoil discharge speed. The fluid system (10) performs adjustment in the following method: according to the magnitude of the advance speed of the shield tunneling machine, the fluid system (10) adjusts the flow rate of a fluid in the corresponding fluid system. The electrical system (11) performs adjustment in the following method: according to the magnitude of the advance speed of the shield tunneling machine, the electrical system adjusts the active power of a transformer of the electrical system. The present application can solve the problems of high apparatus energy consumption and severe energy waste of shield tunneling machines caused by large apparatus installation power, numerous auxiliary apparatuses, unreasonable design, etc. in the prior art. Also disclosed is a system using the method.

The invention relates to the technical field of carbon dioxide sequestration and shale gas development, and particularly discloses a shale micro-nano pore multiphase multicomponent competitive adsorption data determination method and device, and the method comprises the steps: obtaining a shale core sample of a target area, and determining the type and relative content change characteristics of surface functional groups of the shale core sample; key structures and force field parameters of shale clay minerals in a target block are collected, and a shale clay mineral molecular model is established; establishing a plurality of fluid molecular models; establishing slit models, and establishing a multiphase fluid system model between the slit models to obtain a stable configuration; applying an external electric field to the stable configuration, and performing molecular dynamics calculation to obtain molecular trajectory coordinates and dynamics information of the multi-phase multi-component fluid; and calculating competitive adsorption data of the shale micro-nano pore multi-phase multi-component fluid under the action of the electric field. According to the scheme, the occurrence state and the competitive adsorption behavior of the shale micro-nano pore multi-phase multi-component fluid under the action of the electric field can be disclosed from the molecular scale.

A device for reversibly blocking activities of a target region of a subject includes a microfluidic system configured to route a fluid around the target region to change a local temperature of the target region; and an electronic system coupled with the microfluidic system for providing a real-time feedback.

Aseptic fluid coupling devices can be used for fluid systems and manufacturing processes that require sterilized fluid flow pathways. For example, aseptic fluid coupling devices that include removable membrane strips that protect the interior of the aseptic fluid coupling devices from contamination prior to use can be used in such contexts. Methods for attaching removable membranes to the aseptic fluid coupling devices can include heat sealing using a protruding die that reduces the resultant tension of the removable membranes.

A fluid system is provided for an aircraft engine. This fluid system includes a lubricant reservoir and a pressure relief system. The lubricant reservoir includes an internal volume. The pressure relief system includes a sensor system, a pressure relieve valve and a controller. The sensor system is configured to provide sensor data indicative of an air pressure within the internal volume. The pressure relief valve is fluidly coupled with the internal volume. The controller is configured to control operation of the pressure relieve valve based on the sensor data.

Microfluidic chips and microfluidic systems containing the same for implementing microfluidic oscillatory asymmetrical traps are described herein. In one example, an oscillatory microfluidic system for trapping particles contained in a fluid flowing within a channel is provided. The oscillatory microfluidic system including: the channel to conduct the fluid, where the channel includes a longitudinal axis and one or more geometric features that provide at least one asymmetry along the longitudinal axis; a source of pressure or flow to move the fluid through the channel; a fluid oscillator to provide an oscillating pressure on the fluid within the channel; and a controller arranged and configured to transmit control signals to the fluid oscillator to generate a repeating oscillation flow profile of the fluid within the channel, thereby trapping the particles in one or more zones centered on the one or more geometric features within the channel.

Systems and methods presented herein enable coordinated pumping operations. An example system may include a treatment fluid system configured to pump a treatment fluid into a wellbore, a pump-down system configured to pump a pump-down fluid into the wellbore to convey a perforating tool, a fluid valve system configured to selectively fluidly connect and disconnect the treatment fluid system and the pump-down system to and from the wellbore, and a controller communicatively connected to the treatment fluid system, the pump-down system, and the fluid valve system. The controller may be configured to monitor operational status of the treatment fluid system, the pump-down system, and the fluid valve system, and control operations of the treatment fluid system, the pump-down system, and the fluid valve system based at least in part on the operational status of the treatment fluid system, the pump-down system, and the fluid valve system.

A method for detecting leakage in a fluid system. Some embodiments of the method comprise: receiving a plurality of measured pressure values of a fluid pressure in the fluid system measured at different points in time; computing, from the received pressure values, a first pressure gradient at a first point in time; computing, from the received pressure values, a second pressure gradient at a second point in time, later than the first point in time, wherein the fluid pressure in the fluid system at the first point in time is higher than the fluid pressure in the fluid system at the second point in time; detecting presence of a leakage responsive to the magnitude of the second pressure gradient being smaller than the magnitude of the first pressure gradient.

Embodiments herein relate to a system for detecting bubbles in a fluid. In an embodiment, a fluidic system ventilation detector having an optical bubble sensor is included. The optical bubble sensor may include a light source, a light detector, and a sensor controller. The sensor controller may be in signal communication with the light detector and may be configured to detect bubbles based on a signal received from the light detector. The sensor controller may be further configured to estimate a throughput of the fluid based on the detected bubbles. Other embodiments are also included herein.

Washer fluid systems are provided for motor vehicles. The washer fluid systems may supply a washer fluid for cleaning various front and rear mounted components (e.g., cameras, sensors, etc.) of the vehicle. An exemplary washer fluid system may include a first washer fluid reservoir for providing the washer fluid to components located within a front zone of the vehicle, and a second washer fluid reservoir for providing the washer fluid to components located within a rear zone of the vehicle. The rear zone is fluidly isolated from the front zone. The second washer fluid reservoir may be mounted within a cargo bed of the vehicle.

A measurement system for determining a physical parameter of a pipe-fluid system includes a pair of confining elements configured to decrease surface vibration deformations at an outer surface of each end of the pipe-fluid system; wherein each confining element comprise a supporting frame configured to be detachably mounted on a pipe of the pipe-fluid system; and a fixation element configured to be detachably mounted for mechanically coupling the supporting frame with an outer surface of the pipe; an excitation system, configured to generate a mechanical vibration spectrum at a surface of the pipe-fluid system; and a vibration measurement device configured to be mechanically coupled to an outer surface of the pipe-fluid system, and configured to provide a mechanical vibration spectrum of the pipe-fluid system.

A robotic medical system for performing a vascular procedure includes a remote system and a local system. The local system includes one or more computing devices, a robotic drive system in communication with the one or more computing devices, the remote system located remotely from the robotic drive system, a fluidics system in communication with the one or more computing devices, and a plurality of interventional devices at least partially arranged in a concentric nested configuration, each of the plurality of interventional devices being independently moveable along a common axial direction by the robotic drive system, wherein one or more of the plurality of interventional devices are in fluid communication with the fluidics system. The local system is configured to receive first information from the remote system, determine movement control signals for moving the plurality of interventional devices based on the first information, and provide the movement control signals to the robotic drive system for independently moving one or more of the plurality of interventional devices. The local system is also configured to receive second information from the remote system, determine fluidics control signals from the second information, and provide the fluidics control signals to the fluidics system for independently providing one or more fluids and / or vacuum to one or more of the plurality of interventional devices.

Fluid systems are described. An example fluid system includes a body and a housing. The body has a leading edge, a trailing edge, a first portion, and a second portion attached to the first portion. The second portion is moveable relative to the first portion between a first position and a second position. The housing extends from the first portion to the second portion and is configured to move as the second portion moves relative to the first portion. The housing is moveable between a first configuration and a second configuration. The housing is in the first configuration when the second portion is in the first position and is in the second configuration when the second portion is in the second position. The housing has a first length when in the first configuration and a second length when in the second configuration that is greater than the first length.

A system for dispensing a personal care fluid, such as a hand soap or the like. The system includes a dispenser and a refill cartridge. The dispenser includes a dispenser body having a refill cavity and a dispenser lid configured to be coupled to the dispenser body. There may be a pump sub-system mounted to the dispenser lid, or alternatively the personal care fluid may be dispensed by squeezing the dispenser and refill cartridge. The refill cartridge is configured for slidable insertion into and removal from the refill cavity of the dispenser body. The personal care fluid system is designed so that a user can readily and easily change out / replace the refill cartridge for use with a common dispenser, dispenser lid, and pump sub-system.

The invention provides an energy recovery system and a ship. The energy recovery system comprises a fluid conveying pipe set, one end of the fluid conveying pipe set is used for being connected with a ship fluid system, and the other end of the fluid conveying pipe set is used for discharging fluid; the energy recovery assembly is connected to the fluid conveying pipe set, and the energy recovery assembly is used for utilizing kinetic energy of fluid and changing gravitational potential energy to move so as to generate electric energy; and the frequency conversion assembly is electrically connected with the energy recovery assembly and is used for processing and outputting the recovered electric energy. According to the system, kinetic energy and gravitational potential energy of seawater in a ship fluid system are recycled, effective supplementation can be provided for a ship power system, and then the overall energy efficiency of a ship is improved.

An alternative method and apparatus for determining a chemical injection dose to a fluid system is provided. The method and apparatus uses a monitor and control system processor connected to a pressure sensor and a positive displacement pump. The monitor and control system processor determines a stroke of a positive displacement pump by measuring a low-pressure on the suction side of the pump and equates each low pressure point with a pump stroke (or the discharge of a piston volume for dual stroke pumps). The monitor and control system processor calculates the dose by multiplying the number of low-pressure points with the volume of the discharge.

A method is provided for determining a gas charge pressure PcalcGC of a hydraulic accumulator within a hydraulic fluid system. The method includes receiving pressure decay data representing the pressure decay within a self-pressurizing hydraulic reservoir of the hydraulic fluid system as the self-pressurizing hydraulic reservoir depressurizes from an operating pressure of the self-pressurizing hydraulic reservoir towards atmospheric pressure. The method also includes calculating the gas charge pressure PcalcGC of the hydraulic accumulator using the received pressure decay data of the self-pressurizing hydraulic reservoir.

Aseptic fluid coupling devices can be used for fluid systems and manufacturing processes that require sterilized fluid flow pathways. For example, aseptic fluid coupling devices that include removable membrane strips that protect the interior of the aseptic fluid coupling devices from contamination prior to use can be used in such contexts. Methods for attaching removable membranes to the aseptic fluid coupling devices can include the use of a pre-formed membrane or heat sealing using a protruding die that reduces the resultant tension of the removable membranes.

Device for providing electrical energy, comprising an electrical energy storage device (14; 14') for storing electrical energy, in particular a traction accumulator of an electric, hybrid or fuel cell vehicle, and a fuel cell arrangement (74; 74') for generating electrical energy, wherein the electrical energy storage device (14; 14') is thermally coupled or can be coupled to the fuel cell arrangement (74, 74') by means of a heat transfer arrangement, wherein the device has a first fluid circuit (12, 70; 94, 112) to which the electrical energy storage device (14; 14') is assigned, wherein the first fluid circuit (12, 70; 94, 112) is permeable by a first fluid, wherein the first fluid circuit (12) is thermally coupled to the fuel cell arrangement (74; 74') via at least one first heat exchanger (18; 18'), wherein the device has a second fluid circuit (12, 70; 94,112) has the fuel cell (74;74') is assigned, wherein the second fluid circuit (12, 70; 94, 112) is permeable to a second fluid, wherein the device has a heat exchanger (18, 18') with which heat transfer between the first fluid and the second fluid can be generated, wherein the device has control devices, wherein the fluid circuits (12, 70; 94, 112) are each a sub-circuit of a fluid guide system (12, 70; 94, 112) with several sub-circuits, the volume flows of which can be controlled by the control devices, wherein a heating device (32, 32') of the fuel cell (74; 74') and the electrical energy storage device (14; 14') are arranged in the first fluid guide system (12, 70; 94, 112) and the fuel cell (74; 74') is arranged in the second fluid guide system (12, 70; 94, 112), thereby characterized in that the heating device (32, 32') is designed as a burner which is operated with hydrogen.;

The invention provides a leak-proof material for well cementation prepad fluid, a preparation method of the leak-proof material, a well cementation leak-proof prepad fluid system and application of the leak-proof material. The method comprises the following steps: mixing an ester organic monomer, a benzene organic monomer and 2-acrylamido-2-methylpropanesulfonic acid, stirring at 200-300 rpm to obtain a mixed solution, adding water at a speed of 2-10 mL / min, and adjusting the pH value to 6-8 to obtain an emulsion M1; stirring the emulsion M1 at 300-500 rpm, mixing the emulsion M1 with the initiator solution M2, and carrying out a first reaction at 70-75 DEG C to obtain an intermediate product M3; mixing an ester organic monomer and 2-alkenyl amido-2-methylpropanesulfonic acid to obtain a mixture M4; mixing a self-crosslinking monomer, an initiator and water to obtain a mixture M5; the mixture M4 and the mixture M5 are added into the intermediate product M3 at the speed of 2-10 mL / min, a second reaction is conducted, and the leakproof material for the well cementation prepad fluid is obtained.

The invention discloses an edge processing method, device and system for fluid system data, and the method comprises the steps: a dynamic data segmentation step: carrying out the dynamic segmentation of the operation data of the device based on a predefined or on-line recognized key event, the key event being an event representing the significant change of the operation logic or state of the device; when the occurrence of any key event is detected, taking the occurrence moment of the event as an end point of the current statistical aggregation period and a starting point of the next statistical aggregation period; a differential processing step: in each statistical period defined by the dynamic data segmentation step, performing differential statistical aggregation or feature extraction on different types of operation data according to a preset differential data processing strategy; and a data uploading step: packaging a result of the differentiation processing step into structured data, and uploading the structured data to a cloud server according to a preset uploading strategy. According to the method, the data transmission quantity is remarkably reduced, and meanwhile, the data analysis value is greatly improved.

Systems and methods for monitoring conductivity of a fluid comprising generating a first measurement indicative of the conductivity of the fluid, determining whether a value of the first measurement is within the first calibration range, responsive to determining that the value of the first measurement is not within the first calibration range, calibrating the conductivity sensor with a second calibration range that includes the value of the first measurement, generating a second measurement indicative of the conductivity of the fluid.

A system configured to enclose a premature fetus within an extracorporeal environment to promote growth of the fetus and increase viability of the fetus, The system includes a chamber having an interior space configured to enclose the fetus, a first fluid circuit that delivers sterile fluid to the chamber, and a second fluid system that transfers oxygen to the fetus. The system chamber includes a stop mechanism including a clamp and an actuator, the clanip positioned in the interior space, the actuator coupled to the clamp such that movement of the actuator moves the clamp, and the actuator positioned at least partially outside the interior space. A method of using the system to treat hyperbilirubinemia is also provided.

System, method, and apparatus for controlling circulation of fluid to, and evacuation of the fluid from, an external fluid circuit for heat transfer. A single control valve selectively stops the circulation of fluid from a supply passageway to an external fluid circuit and diverts fluid to a bypass passageway which creates a suction force at a venturi valve region therein. The venturi valve region includes a fluid jacket that encases at least a portion of the venturi valve region. A suction passageway couples the suction force of bypass passageway to either return passageway or supply passageway, for evacuating fluid from external fluid circuit. No more than a single suction passageway is required to be coupled to either supply passageway and / or return passageway. A return check valve disposed in return passageway prevents backflow of fluid through return passageway.