Abstract: A flow splitter may include an inlet, at least two outlets, and an internal vane comprising a first end corresponding to the inlet and a second end corresponding to the at least two outlets, wherein the internal vane is configured to turn, between the first end and the second end, an internal flowing fluid from 0 degrees to a degree between about 60 degrees and 150 degrees. Methods of dividing fluid flow are also provided.

Abstract: A conduit system for transporting gas from a gas containing chamber for processing a substrate from which semiconductor devices are formed includes a liner with a spiral vent. The conduit system utilizes a curtain of gas to prevent or reduce deposition of material onto an inner surface of the conduit transporting the gas from the gas containing chamber.

Abstract: A micro-metering device with a constant flow rate, including a rotary shear valve, a mounting seat, a rotation drive assembly, an injection drive assembly and a controller. The rotary shear valve includes a valve main body and a valve spool. The valve main body is provided with a main flow channel and a plurality of branch flow channels. The valve spool is rotatably arranged inside the valve main body, and is configured to communicate the main flow channel with different branch flow channels. A pressure sensor is provided inside the valve main body, and is communicated with the main flow channel. The pressure sensor is configured for detecting a pressure inside the main flow channel. Whether the switching of the liquid path is correct is determined according to the pressure in the main flow channel.

Abstract: There is provided apparatus and a method of releasing one or more seized components of an item using an adapter in location on said item, a vibration generating means in location with said adapter so as to allow vibration to be imparted from the said vibration generating means to the said one or more seized components; retaining the vibration generating means with the said item at a required orientation via engagement means, operating the vibration generating means and control means allow the control of the frequency of vibration to be within a predetermined range. This therefore allows the effective releases of the component of the item to allow the item, such as a valve of a pipeline to then be operated.

Abstract: A fuel nozzle metering valve that includes a spool having an inlet port and an outlet flow port, and a retainer assembled to one end of the spool. A valve liner houses a portion of the spool. The spool is configured to move back and forth within the valve liner. The metering valve is biased in a closed position in which the outlet flow port is disposed entirely within the valve liner. The valve is opened when the spool slides within the valve liner such that some portion of the outlet flow port extends beyond an end of the valve liner. The retainer has a stepped portion configured to abut an end of the retainer at a fuel flow pressure below the expected maximum fuel flow pressure to be used in the fuel nozzle metering valve.

Abstract: A liquid feeder includes a pump which is prevented from idling, and a replenisher including a cylinder that is a bottomed tube including an opening on a side adjacent to a communication flow path, the opening being connected to the communication flow path, and that is capable of accommodating a liquid in at least a portion of the cylinder, a seal that is housed in the cylinder in a movable manner along the cylinder, and seals the liquid in the cylinder, and a pressurizer to pressurize the seal toward a pump chamber.

Abstract: A first valve mechanism is a valve mechanism provided in a flow path coupled to a liquid ejecting head that ejects a liquid, and including a valve that opens/closes the flow path, a first communication liquid chamber that communicates with the flow path, and a first pressure receiving body that converts a pressure difference between a pressure of the first communication liquid chamber and a reference pressure into an operating force of the valve, in which a threshold pressure of the first communication liquid chamber for determining opening/closing of the valve is variable.

Abstract: An electromagnetic valve has a magnetic coil and a movable element coupled to a valve element. The magnetic coil, when excited, conveys the movable element in one direction to move the valve element from its initial position into its active position. A control circuit for the electromagnetic valve has a current source for optionally supplying current to the magnetic coil and a measuring device for measuring a voltage level of the magnetic coil and/or a current level through the magnetic coil. A monitoring unit which is connected to the measuring device establishes a switching state of the electromagnetic valve corresponding to the position of its valve element based on the intended current supply state of the current source and the current and/or voltage characteristic measured by the measuring device and, if appropriate, determines a fault state of the current supply and/or the electromagnetic valve.

Abstract: The actuator includes a control unit configured to allow a first control capable of driving a drive part with a first driving force and a second control capable of driving the drive part with a second driving force which is stronger than the first driving force, a moving part configured to move in a predetermined direction, an elastic member configured to receive at least one of the first driving force and the second driving force from the drive part and to supply a force for the moving part to move to the moving part, and a detection unit configured to supply a detection signal for detecting a stop of the drive part to the control unit, in which the control unit performs the second control when a stop of the drive part is detected after performing the first control.

Abstract: A hydraulic fluid assembly having an electric motor, a hydraulic pump, hydraulic fluid reservoir, and a hydraulic fluid spill over receptacle engaged to and underneath the hydraulic fluid assembly for capturing spill over hydraulic fluid and directing such spill over to a periphery of the hydraulic fluid spill over receptacle, where the periphery is accessible and away from the hydraulic fluid assembly such that the spill over may be manually wiped up with a cloth rag instead of causing a slippery pontoon boat surface.

Abstract: Rotary valves and methods of using, manufacturing, and storing the same are provided herein. The rotary valve includes a rotor and a stator, biased toward one another to form a fluid tight seal. In some implementations, the rotor comprises an integrated flow channel containing a porous solid support. Frequently, the interface between rotor and stator is made fluid-tight using a gasket. Some implementations of the rotary valve include a displaceable spacer to prevent the gasket from sealing against at least one of the rotor and stator prior to operation, wherein when the spacer is displaced, the gasket seals the rotor and stator together in a fluid-tight manner.

Abstract: A fuel storage system is disclosed having a fuel tank configured to store a liquid fuel; a controllable pressure source for altering the pressure in an ullage space of the fuel tank; and a controller. The controller is configured to determine a target pressure for the ullage space at a given time based on information relating to a temperature of fuel inside the fuel tank at the given time; and to control the pressure source such as to cause the pressure in the ullage space to be substantially equal to the target pressure.

Abstract: A fluid directing flow manifold for directing reactive fluids, independent of one another, from a dispensing manifold to a dispensing tip of a fluid dispensing apparatus provides a disposable and low cost fluid passageway between the dispensing manifold and dispensing tip while reducing or eliminating the possibility that reactive fluids will react and clog or block the dispensing manifold. The flow manifold provides independent fluid passageways between valves of a dispensing manifold and a mixing chamber of a dispensing tip of the dispensing apparatus. The flow manifold may be adapted for use with various types of fluid dispensing systems. The flow manifold may include multiple fluid guide bodies that may each be removed from the flow manifold to be cleaned or disposed of, and then replaced. Quick release mechanical fasteners are included for quick attachment of the manifold to a dispensing manifold valve and to the dispensing tip.

Abstract: An apparatus for monitoring the pressurisation of a control valve for a hydraulic actuator and a control valve. The apparatus including a spool movable along an axis (X), wherein the spool is configured to control the flow of hydraulic fluid through the control valve based on its position along the axis (X), and wherein in an unpressurised state of the control valve the spool occupies a first axial position, and in a pressurised state of the control valve the spool occupies a second, different axial position. The apparatus also including a position sensor configured to monitor the position of the spool within the control valve and detect whether the spool occupies the first axial position or the second axial position, wherein the first axial position and the second axial position correspond to neutral positions of the spool.

Abstract: The present disclosure provides a method for smart gas pipeline life prediction based on safety. The method includes: obtaining the operation information of the target gas pipeline section within the first time period; determining, based on operation information, the first performance parameter of the target gas pipeline section of at least one moment within the first time period, the first performance parameter including at least the transport performance of the target gas pipeline section within the first time period; determining, based on the first performance parameter of at least one moment, the first performance parameter sequence of the target gas pipeline section within the first time period, the first performance parameter sequence being the sequence obtained by arranging the first performance parameters of at least one moment in chronological order; and determining, based on the first performance parameter sequence, the remaining life of the target gas pipeline section.

Abstract: A multi-valve for distributing at least one fluid, includes a plurality of input channels for supplying a respective fluid, a plurality of output channels for discharging the fluid, wherein a respective input channel can be connected via a plurality of input branches to a respective, substantially coaxially arranged output branch of the respective different output channels, and a switch plate which is arranged in a gap between the input branches and output branches and can be translationally moved transversely to the input branches and output branches in order to open and/or close a connection of the respective input branch to the respectively assigned output branch, wherein the switch plate is connected to an endless belt.

Abstract: In a hydraulic unit, which is for a hydraulic brake system, that has a hydraulic block and at least one valve device, the valve device includes a hydraulic cartridge with a valve seat and with a movable closing body for blocking and opening the valve seat, and a magnet assembly with a magnet coil for generating a magnetic force for moving the closing body. The magnet assembly is integrated into the hydraulic block, and the valve device has a permanent magnet in order to assist the movement of the closing body by means of magnetic force.

Abstract: A valve includes a housing with at least one inlet and at least one outlet; a valve member located within the housing and being moveable between different positions for controlling, in use, the flow of a fluid from an inlet to an outlet of the valve; wherein the valve further includes at least two spaced-apart valve seats in which the valve member is seated so as to form a cavity bounded by the valve seats, an exterior surface of the valve member and an interior surface of the housing; a first conduit extending between the exterior of the housing and the cavity; and a second conduit extending between the cavity and a bore of the valve member, through which conduits, in use, a purge gas can be introduced into the cavity and bore.

Abstract: An apparatus for simulating fluid loss through diverging fracture fronts includes a housing including an inlet and an outlet. The housing defines an inner volume. The housing can receive and sealingly retain fluid in the inner volume. The housing includes a plate defining an opening formed in an axial surface of the plate. The opening spans a longitudinal thickness of the plate and diverges in dimension along the longitudinal thickness of the plate. The plate is sealingly positioned within the inner volume of the housing between the inlet and the outlet to permit fluid flow from the inlet to the outlet through the opening and to prevent the fluid flow past a circumferential surface of the plate. The apparatus includes a fluidic pressure source fluidically coupled to the housing and configured to flow the fluid through the housing.

Abstract: Systems and methods may be provided to execute online tests of a valve in a digital valve positioner. The digital valve positioner may receive a request to execute a test of the valve, which specifies a test start point, and queue the request for execution. The digital valve positioner may subsequently receive a new setpoint for the valve. The digital valve positioner may further reposition the valve according to the new setpoint. The digital valve positioner may further, while the valve is being repositioned, compare the test start point to a current position of the valve, and in response to determining that the current position of the valve has reached the test start point, collect sensor data indicative of the operation of the valve, to generate results of the test.