56 results about "Fluid regulation" patented technology

An assembly includes a fluid conditioning system including a cascade module and an active charge compensator integrated into the fluid conditioning system. The fluid conditioning system is transformable between a first mode and a second mode. In the first mode, the fluid conditioning system includes a first vapor compression loop and a second vapor compression loop. The first vapor compression loop and the second vapor compression loop are thermally coupled at the cascade module and the second vapor compression loop is fluidly separate from the first vapor compression loop. In the second mode, the fluid conditioning system includes a single vapor compression loop. The active charge compensator is operable to control a working fluid charge within the fluid conditioning system based on the mode of operation selected from the plurality of modes.

In certain embodiments, a vial adaptor comprises a housing configured to couple the adaptor with a vial, an access channel, a regulator channel, and a regulator assembly. The access channel is configured to facilitate withdrawal of fluid from the vial when the adaptor is coupled to the vial. The regulator channel is configured to facilitate a flow of a regulating fluid from the regulator assembly to compensate for changes in volume of a medical fluid in the vial. In some embodiments, the regulator assembly includes a flexible member configured to expand and contract in accordance with changes in the volume of the medical fluid in the vial. In some embodiments, the flexible member is substantially free to expand and contract. In some embodiments, the flexible member is not partly or completely located in a rigid enclosure

1. Name of the designed product: electric ball valve (90 - live). 2. Use of the designed product: used for controlling fluid in pipeline, regulating flow. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

The invention relates to the field of fluid adjustment, in particular to a control valve with small maximum static friction force between a sealing part and a valve element part, the valve element part can rotate around the axis corresponding to the valve element part, the sealing part is provided with a concave part, and the wall parts corresponding to the two sides of the sealing part in the thickness direction abut against the valve element part and a seat body part respectively. The sunken part is located on the side, close to the valve element part, of the sealing part in the thickness direction, and at least part of the part, abutting against the valve element part, of the sealing part is located between the sunken part and the second communication part, so that the stability of the valve element part during rotation is guaranteed, meanwhile, the contact area between the sealing part and the valve element part is reduced, and under the same friction coefficient and pressure, the sealing performance is improved. And the maximum static friction force between the sealing part and the valve core part is reduced.

A fluid conditioning system includes a compressor, a first heat exchanger, a second heat exchanger, and a first expansion device, and a second expansion device fluidly connected to form a closed loop through which a working fluid circulates. The first expansion device is associated with operation of the fluid conditioning system in a first mode and the second expansion device is associated with operation of the fluid conditioning system in a second mode. The second expansion device is a thermostatic expansion device. An accumulator is fluidly connected to the closed loop upstream from the compressor relative to a flow of the working fluid. A back pressure regulator is fluidly coupled to the first heat exchanger, the second heat exchanger, and the second expansion device.

In a controller for a fluid regulation unit, a fluid regulation system including a plurality of fluid regulation units, and a method of regulating fluid, each fluid regulation unit includes a unit controller configured to operate the fluid regulation unit. One of the plurality of unit controllers may be used as a master control module and provide at least one operational setpoint to each of the unit controllers. The controller may include instructions stored therein that cause the controller to operate (i) as a unit controller that controls the fluid regulation unit, and (ii) as a master controller. The method may include selecting a new unit controller from among unit controllers of a plurality of fluid regulation units to serve as a master control module when a previous unit controller serving as the master control module of the fluid regulation system is offline.

Various embodiments of apparatuses, methods, systems, and computer program products described herein are directed to a treatment system. An example apparatus includes a treatment apparatus having a first fluid source, one or more channels for delivering a first fluid of the first fluid source, and a treatment unit, the treatment unit having one or more fluid regulators, including a first fluid regulator configured to regulate a flow of the first fluid received by the treatment unit, a movable treatment head unit having one or more spraying tips, a first channel fluidly coupling the one or more spraying tips with the first fluid regulator, wherein the first fluid regulator controls a volume of fluid emitted from the one or more spraying tips, an one or more controllers disposed in the treatment unit configured to control the one or more fluid regulators.

The application relates to the technical field of fluid regulation, and discloses a flow adaptive compensation control method for a fluid conveying object, which comprises the following steps: obtaining a rated flow given value of a flow regulation loop, superimposing a carrier excitation signal of a preset frequency, outputting a combined excitation signal to a flow regulation execution unit, exciting a perturbation fluctuation signal carrying dynamic physical characteristics in a fluid pipeline, collecting a feedback flow signal in real time and extracting a same-frequency response component, calculating a response transmission ratio representing a physically effective bandwidth of the controlled pipeline, reconstructing a regulation gain of a flow adaptive control law according to the numerical fluctuation of the response transmission ratio, correcting the rated flow given value by using the regulation gain, and outputting a flow compensation instruction to the flow regulation execution unit. The application establishes a coupling mechanism of the control law and the pipeline physical constraint, effectively solves the regulation deviation caused by the viscosity drift of the fluid, and eliminates the pump body surge or dynamic pressure shock fluctuation induced by the regulation overshoot.

1. The name of the design product: Manual diaphragm valve (KOSCN DV301). 2. The use of the design product: The design product is used for fluid regulation and control of water, gas and chemical systems. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

An apparatus to maintain an environment over an anterior surface of a patient eye can include an enclosure sized and shaped to be seated about the patient eye to form a cavity within the enclosure. The enclosure can be configured to contain a fluid other than ambient air in contact with the patient eye. The apparatus can include a fluid regulator in communication with the enclosure, where the fluid regulator can be configured to regulate the composition of the fluid contained within the enclosure.

The utility model discloses a double-disc type fluid regulation and control butterfly valve which comprises a valve body, a main medium flow channel and a large butterfly plate are arranged in the valve body, an auxiliary medium flow channel capable of being sealed by a small butterfly plate is arranged in the large butterfly plate, and the double-disc type fluid regulation and control butterfly valve further comprises an angle control assembly used for controlling the angle of the large butterfly plate and the angle of the small butterfly plate. According to the double-butterfly-plate butterfly valve, independent and accurate control over the large butterfly plate and the small butterfly plate is achieved, the problem that in an existing double-butterfly-plate butterfly valve, two butterfly plates need to be adjusted at the same time is solved, when the flow of a main medium flow channel needs to be adjusted, the large butterfly plate is driven by the air cylinder to be adjusted synchronously, and when the small flow needs to be finely controlled, the large butterfly plate is driven by the air cylinder to be adjusted synchronously. The angle of the small butterfly plate can be independently adjusted, the large butterfly plate does not need to be synchronously adjusted, and the operation process is greatly simplified; through the meshing locking design of the meshing handle and the half gear ring, the synchronism of the large butterfly plate and the small butterfly plate during overall adjustment is ensured, and meanwhile convenience is provided when the small butterfly plate needs to be independently adjusted.

The invention relates to a cleaning device (100) for a vehicle (1000), the cleaning device having: - at least one cleaning nozzle (320), which is configured for loading a surface (AR) to be cleaned of at least one sensor (300) with a cleaning fluid (RF, DL, F), - a fluid regulating device (270), in particular a fluid valve (272) or a pump (276), which is configured for selectively providing the cleaning fluid (RF) to the cleaning nozzle (320), - a regulating actuator (140) for generating a cleaning movement (BR) of the cleaning nozzle (320). According to the invention, it is provided in the cleaning device (100) that: - the cleaning device (100) has a switching device (160) for controlling the regulating actuator (140), - it is possible to generate the cleaning movement (BR) independently of the fluid regulating device (270).

An emergency shut-off mechanism (204) for operatively connecting an emergency shut-off control element (216) of a fluid regulator (100) with a controller (208) for the emergency shut-off control element, the emergency shut-off mechanism comprising: a latch pin (256) adapted to be operatively connected to the emergency shut-off control element; a latch (260); and a lever (264) operably connected to the latch, the lever being adapted to be selectively engaged by the controller, where in response to the controller engaging the lever, the latch is movable from a first position in which the latch securely retains the latch pin to a second position in which the latch securely retains the latch pin, and in which the latch securely retains the latch pin. The emergency shut-off control element is movable between a second position in which the latch pin is released from the latch such that the emergency shut-off control element is held in a fully open position and a second position in which the latch pin is released from the latch, thereby allowing the emergency shut-off control element to move from the fully open position to a closed position.

The application discloses a compressed air storage structure and a pressure balance method, and belongs to the technical field of compressed air energy storage. The application comprises a primary support layer arranged on the surface of surrounding rock; a plurality of inverted-arch prefabricated lining units made of an engineering cement-based composite material, the cross section of the inverted-arch prefabricated lining units being in an arc shape protruding towards the inside of the chamber; a closed internal pressure balance cavity is formed between the outer wall of each inverted-arch prefabricated lining unit and the inner wall of the primary support layer; a monitoring unit of the pressure balance system is used for monitoring the air pressure inside the chamber and / or the pressure in the internal pressure balance cavity; a fluid regulating unit is in communication with the internal pressure balance cavity and is used for injecting or discharging fluid medium into the internal pressure balance cavity; a control unit is in signal connection with the monitoring unit and the fluid regulating unit, and is used for controlling the fluid injected or discharged by the fluid regulating unit according to the monitored pressure data, so as to adjust the pressure in the internal pressure balance cavity. The application effectively avoids the problem of concrete lining cracking and failure, and realizes the balance of the internal and external pressures of the chamber.

The utility model provides a hydraulic balancing device which comprises a tank body, a first filter element assembly, at least two flow guide partition plates and a second filter element assembly are sequentially arranged in the tank body from top to bottom, and the flow guide partition plates are fixed on the tank body at intervals from top to bottom. Flow guide openings are formed between the flow guide partition plates and the tank body and used for fluid to flow through, and the flow guide openings in the adjacent flow guide partition plates are arranged in a left-right opposite mode. The utility model has the advantages of excellent fluid regulating capability, capability of improving the stability, efficiency and safety of the whole fluid conveying system, and the like.

A pressure regulator that is used for various fluids is described. The regulator can be an integral part of a tank containing pressured fluid or a standalone device. The regulator uses an electroactive polymer (EAP) that can both increase and reduce its volume when exposed to a weak electrical pulse. The EAP through its change of volume controls the pressure of the fluid that is released from the fluid tank to a required pressure to be used for different applications. The control of the EAP is carried out by a pressure sensor and a controller. The controller uses the real time pressure data measured by the pressure sensor and adjusts the pressure of the fluid through the control of EAP.

The invention relates to a fluid regulator valve comprising an inlet port and an outlet port for connecting the valve to a fluid system, a regulating mechanism for opening and closing a valve opening within an inner valve chamber between the inlet port and the outlet port, wherein the regulating mechanism comprises a diaphragm provided in a diaphragm chamber, a valve rod and a control element. According to the invention, a pressure balancing conduit with two conduit portions is provided between the diaphragm chamber and an outlet port surface of the outlet port, wherein the pressure balancing conduit comprises a chamber opening and a port opening, the two openings opening into the diaphragm chamber and the outlet port, respectively. The invention also relates to a refrigeration system with a fluid regulator valve.

In a controller for a fluid regulation unit, a fluid regulation system with a plurality of fluid regulation units, and a method for preparing a fluid, each fluid regulation unit includes a unit controller configured to operate the fluid regulation unit. One unit controller of the plurality of unit controllers can function as a master control module and provide at least one operational setpoint for each of the unit controllers. The controller can include instructions stored therein that cause the controller to (i) operate as a unit controller that controls the fluid regulation unit and (ii) operate as a master controller. The method can include selecting a new unit controller to function as the master control module from the unit controllers of the plurality of fluid regulation units when the previous unit controller operating as the master control module for the fluid regulation system goes offline.

Example implementations relate to techniques for thermal fluid conditioning and delivery. A technique may involve coupling a container of heat transfer fluid to an input and removing moisture from the heat transfer fluid via a molecular sieve. A pressure source is configured to push the heat transfer fluid out of the container and through the molecular sieve. Subsequent to removing the moisture from the heat transfer fluid, the technique involves separating, via an orifice coupled to a tank, the heat transfer fluid into liquid and gas particles within the tank and removing, via a vacuum coupled to the tank, the gas particles from the tank. The liquid can then be supplied into a fluid system via additional pressure by the pressure source. The technique may be performed by a portable device that houses the various components used to condition and delivery the thermal fluid.

Various embodiments of an apparatus, methods, systems and computer program products described herein are directed to an agricultural observation and treatment system and method of operation. Fluid may be provided through a first pressurized fluid line from a fluid source within an agricultural treatment system to a fluid port of a treatment head assembly of the agricultural treatment system. The fluid may be delivered from the fluid port to one or more spraying tips when the fluid regulator is actuated when in a desired position.

The invention discloses a nano yttrium oxide continuous preparation system and process method based on multi-modal fluid regulation and control, the nano yttrium oxide continuous preparation system comprises an yttrium salt storage tank, a precipitant storage tank and a surface modifier storage tank, the bottom of the yttrium salt storage tank and the bottom of the precipitant storage tank are connected with a high-pressure plunger pump I through pipelines; the liquid outlet end of the first high-pressure plunger pump is connected with a first Coriolis mass flow meter through a pipeline, and the liquid outlet end of the first Coriolis mass flow meter is connected with a micro-reaction pressure balancer through a pipeline. Through cooperative use of the structure and the process method, the preparation method has the advantages of small particle size distribution span reduction, high specific surface area stability and low dispersion index, a'pressure-flow-viscosity 'triple closed-loop control system is developed, meanwhile, a yttrium ion concentration-solution viscosity relation model is established, and the stability of the solution is improved. A Y-shaped staggered runner mixer is utilized to obtain an innovative anti-crystallization runner design, and a micro-groove array is processed on the inner wall of a runner through laser, so that mixing is facilitated.

Various embodiments of methods, systems, and computer program products described herein are directed to a treatment system. An example method includes identifying a type of a first target agricultural object, based on the identified type of the first target agricultural object, determining a first spray profile for treating the first target agricultural object, sending instructions of a first treatment parameter to a treatment unit, and based on the first spray profile, activating the treatment unit to emit a first fluid at the first target agricultural object, wherein the first fluid regulator is moved to an opened position for an amount of time such that the first fluid is emitted, via the first spraying tip, as a first fluid projectile at the first target agricultural object for a first spray duration.

A seal assembly for use in a fluid regulation device, the seal assembly comprising: a seal sheath (60) having a channel (64) formed therein, where the channel has opposing sidewall portions, and the seal sheath is sized and configured for seating in the channel formed in the fluid regulation device; and a biasing member (70) sized and configured for placement in the channel and formed of at least a first layer and a second layer. The first layer is formed of a first metal material, and the second layer is formed of a second metal material different from the first metal material. The biasing member exerts a force on the sidewall portion of the channel when mounted in the sidewall portion of the channel. The first and second layers of the biasing member may be secured together to form a bimetal biasing member.

The fluid regulating device includes an inner tube disposed within an outer tube, with a gap between the inner tube and the outer tube, and an opening formed in the inner tube that is larger in size than the opening formed in the outer tube. A fluid adapter is sealingly coupled to a proximal portion of the inner tube. The fluid adapter includes a vacuum port adapted to be coupled to a vacuum source to generate negative pressure within the inner tube. The outer tube is adapted to be pressed against uterine tissue. An inflatable plug is disposed in the outer tube.

The application discloses a constant-temperature and pressure-free device and method for measuring fluid pH value, which comprises a support and a shell arranged above the support, the support is fixed above a ditch at a measuring point; the shell is provided with a fluid inlet and a fluid outlet at two ends respectively, the fluid inlet is located at the upper left side of the shell and is provided with an inlet fluid regulating valve, the fluid outlet is located at the lower right side of the shell and is provided with an outlet fluid regulating baffle; a filter sleeve is arranged at the lower end of the fluid inlet, a temperature control coil, a first speed reduction plate, an electrode protection sleeve and a second speed reduction plate are detachably arranged at the upper end of the shell and are spaced from the bottom surface of the shell by a set gap; a temperature regulating valve is arranged on the temperature control coil, and a pH electrode is arranged in the electrode protection sleeve. The application can realize the constant-temperature and pressure-free of the fluid pH measurement environment, reduce the abrasion of the pH electrode, prolong the service life, reduce the cleaning and maintenance cost, and is simple in structure, convenient to operate and suitable for different occasions.

An agricultural treatment system can include one or more motor assemblies, linkage assemblies coupled to the motor assemblies, and a treatment head assembly coupled to the linkage assemblies. Each motor assembly can rotate about a motor assembly rotational axis and each linkage assembly can move in a direction in response to motor assembly rotation about a motor assembly rotational axis. Portions of the treatment head assembly can rotate about one or more treatment head assembly rotational axes in response to linkage assembly movement. The treatment head assembly can include a treatment head, a fluid port that delivers a fluid into the treatment head, spraying tip(s) that spray the fluid onto an agricultural target object, and a fluid regulator that delivers the fluid from the fluid port to the spraying tip(s). The fluid regulator can be coupled to and can rotate with the treatment head, which can be movable.

The invention relates to a fluid conditioning unit that is used in the hydraulic power unit to condition the hydraulic oil to the target temperature value and supply a user with the fluid that has reached the target temperature value at the desired flow rate and pressure and conditions hydraulic oil of any class to a target temperature value in the -50 / +200°C temperature range and moves the target user, which is a hydraulic component, in the desired direction and speed at the adjusted flow rate and pressure value.

1. Name of the product in this design: Double-headed diaphragm valve. 2. Application of this design: for fluid regulation and control in water, gas and chemical systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.