Abstract: A valve including a valve body having a bore and a spindle received in the bore, the spindle being actuatable to open and close the valve. A compression gland seal is provided about the spindle for compression between the spindle and the bore. A first seal ring is provided about the spindle at a position spaced along the spindle from the gland seal, and provides a seal between the spindle and the bore of the valve body. A second seal ring is provided about the spindle at a position spaced along the spindle from the gland seal and the first seal ring, and provides a further seal between the spindle and the bore of the valve body.

Abstract: A fluid-flow control valve includes an inlet (E) for connecting to a feed duct; an outlet (S) for connecting to an evacuation duct; a valve member (1) that, at rest, bears against a valve seat (2) to isolate the inlet (E) from the outlet (S); and an actuator mechanism (5, C) for moving the valve member (1). The actuator mechanism includes a chamber (C), which communicates with the inlet (E) via a hole (11) and is disposed relative to the valve member (1) on its side facing away from the seat (2), in such a manner as to urge the valve member against its seat; and a bypass (5) that connects the chamber (C) to the outlet (S), the bypass being controllable between an open state for passing fluid, and a closed state.

Abstract: A control valve includes a body including an internal passageway and is constituted at one end as a coupler that includes a valve poppet openable to allow fluid access to or from the passageway past the poppet. The body defines at least one lateral port. A valve spool is disposed within the body and is movable lengthwise of the body by a solenoid actuator, disposed at the other end of the body, to control fluid communication between the passageway and the lateral port.

Abstract: An electronic faucet includes a spout assembly having a sensor configured to control the flow of water therethrough in response to the position of a spray head.

Abstract: A system to secure a storage unit on a supply vessel surface includes a first frame module having a first attachment mechanism configured to releasably engage with a second attachment mechanism of a second frame module, and a first valve disposed on the first frame module, wherein the first valve is in fluid communication with a second valve disposed on the second frame module through a central flow pipe. The system further includes a locking mechanism configured to releasably secure the storage unit to at least the first frame module, and at least one flow conduit configured to provide fluid communication between the first valve and the storage unit.

Abstract: A gas flow monitoring system is provided in process gas lines each arranged to supply gas to a predetermined process chamber via a flow control device, the system being configured to measure lowering or rising of gas pressure before and after the flow control device to monitor a flow rate of the flow control device. The system includes a first flow monitoring unit placed upstream of the flow control device in a selected one of the process gas lines, a second flow monitoring unit placed in a discharge passage upstream of the process chamber, and a controller that constantly monitors the flow rate of the flow control device with the first flow monitoring unit and, when the first flow monitoring unit detects the flow-rate abnormality two or more times, commands the second flow monitoring unit to re-verify whether flow-rate abnormality is present or not in the flow control device.

Abstract: A volume and pressure regulating device for an oxygen generating machine includes a body to combine a path assembly, a pressure valve assembly and a volume valve assembly within one body. The pressure valve assembly and the volume valve assembly are connected via the path assembly.

Abstract: Self-cleaning apparatus and methods are disclosed for handling viscous fluids, such as thick solid-liquid slurries of lignocellulosic biomass and its components, under high pressure, using an array of retractable valves.

Abstract: The invention relates to an element for controlling filling and/or drawing of a pressurized gas, to be mounted in an opening of a tank (1), comprising a body (21) provided with at least one device (8) for controlling the circulation of gas placed between a first end, which has an opening (31) forming an inlet and/or an outlet for the gas with regard to the tank, and a second end for communicating with the inside of the tank.

Abstract: A ball valve isolator (5) includes a housing (15), a ball valve (60), a first isolator (40), and a second isolator (41). The housing (15) is provided with a first flow passage (29) located between an inlet (30) and an outlet (31). The ball valve (60) that includes a ball portion (63) located in the first flow passage (29) and defines a second flow passage (65) that is aligned with the first flow passage (29) when the ball valve (60) is actuated to an open position. The first isolator (40) is located, at least in part, within the housing (15) and substantially blocks the inlet (30) when the first isolator (40) is actuated to a closed position. The second isolator (41) is located, at least in part, within the housing (15) and substantially blocks the outlet (31) when the second isolator (41) is actuated to a closed position.

Abstract: There are provided a latch valve consuming less power, having a simpler structure, and guaranteeing reliable valve operation, there is provided a flow control device comprising a plurality of latch valves connected in series, and the second to the last latch valves, among the latch valves connected in series, include an additional outflow path constantly communicating with a space part between a support body and a plunger, respectively, to allow water from an inlet to constantly flow out to the additional outflow paths.

Abstract: A valve apparatus includes a valve housing, an electric valve, a positive pressure relief valve and a negative pressure relief valve. The valve housing defines therein a valve inside space divided by a partition plate into two spaces communicating with the first port portion and the second port portion respectively. The partition plate has an electric valve opening, a positive pressure relief opening and a negative pressure relief opening separately from each other. When the positive pressure relief valve opens the positive pressure relief opening, a fluid flows only from the first port portion to the second port portion. When the negative pressure relief valve opens the negative pressure relief opening, the fluid flows only from the second port portion to the first port portion.

Abstract: A method of exhausting a gas in a chamber of a load-lock system having a first valve defining an opening for supplying a gas and a second valve defining an opening for conveyance of an article. The method includes a gas supplying step for supplying a gas heated by a heater into the chamber through the first valve, while the first valve and the second valve are kept open, a conveying step for conveying the article into the chamber while the second valve is kept open, and an exhausting step to be carried out after the gas supplying step and the conveying step are executed and the first and second valves are closed, to exhaust the gas inside the chamber while the first valve and the second valve are kept closed.

Abstract: A chemical injection line connector includes first and second couplings configured to automatically seal shut when the members are disengaged. A method for blocking contamination or pressure transfer of chemical injection lines includes securing first and second couplings to corresponding ends of a chemical injection line and automatically sealing the couplings shut when the couplings are disengaged.

Abstract: A pressurized gas containing system has a cowling and mounting ring which supports a valve and regulator on a cylinder containing gas under pressure.

Abstract: A quick release gas pressure regulator having a primary pressure zone, a secondary pressure zone, and a gas bottle connection zone within the main body. A pressure-regulating device is positioned within the secondary pressure zone of the main body. A gas chamber sealing plug is disposed at the front portion of the first pressure chamber of the main body. An external axial pressure relief passage is formed at the gas chamber plug. A positioning ring seat includes an internal axial pressure relief passage communicating with the external axial pressure relief passage. A pressure relief O-ring is positioned at the joint between the internal axial pressure relief passage and the external axial pressure relief passage. A gas supply back-up post is divided by the pressure relief O-ring into a sealing portion and a pressure relief portion. A pushing member radially passes through the main body and the positioning ring seat, and having a pushing inclination facing the internal end of the gas supply back-up post.

Abstract: A bleed valve assembly includes a control assembly having a fluid inlet and a fluid outlet. The control assembly defines a fluid passageway in fluid communication with the fluid inlet and the fluid outlet. An electromechanical valve is engaged with the control assembly. The electromechanical valve provides selective fluid communication between the passageway and the fluid outlet. A fluid sensor is in fluid communication with the passageway. The fluid sensor includes a sensing tip and is in electrical communication with the electromechanical valve. A valve is disposed in the passageway of the control assembly. The valve prevents fluid communication of non-gaseous fluid between the fluid inlet and the fluid outlet.

Abstract: A pressure regulator having a conduit with a plurality of adjustable valves inserted reversibly into the conduit. The valves are aligned along the axis of water flow. The interior of the conduit is divided into an inlet chamber and outlet chamber by a septum. The valves are inserted into the inlet chamber, and valve seats protrude through holes in the septum into the outlet chamber, thereby sealing the inlet chamber from the outlet chamber. Fluid flows into the conduit, into the inlet chamber, through the open valve, into the outlet chamber, and then flows out of the conduit. The valves regulate fluid pressure in the outlet chamber. The degree of pressure regulation can be adjusted for each valve by turning pressure adjustment knobs on the top of the valves to produce precise regulation of pressure and fluid flow. A conduit plug can replace a valve in the conduit.

Abstract: The invention refers to a valve, in particular a pressure valve, comprising a feed area provided in front of a globe valve in flow direction of the medium, wherein the globe valve can be sealed by a loose closing element provided in the feed area, and wherein an activation rod angles the closing element against the flow direction of the medium with reference to the globe valve. The invention is characterized in that in the feed area a flow guiding device is provided, wherein the flow guiding device has several channel areas, so that the medium flowing through the channel areas is set in a helical twist.

Abstract: A microfluidic component for manipulating a fluid includes a first substrate, a second substrate, and a third substrate that is configured from a resilient material and arranged between the first substrate and the second substrate. At least one first recess that forms a first control chamber is configured on the face of the first substrate facing the third substrate. At least one second recess that forms a fluid channel is configured on the face of the second substrate facing the third substrate. A second control chamber that is spatially separated from the first control chamber and a control channel that connects the first control chamber to the second control chamber are formed in the first substrate. At least one lateral wall of the second control chamber is configured from resilient material and is deformable by an actuator such that the inner volume of the second control chamber decreases.

Abstract: A near-boiler piping loop apparatus is provided including a primary/secondary piping loop interface apparatus having a unitary construction including a secondary loop shut-off valve, drain valve and drain port in each branch of a secondary loop for connection to a boiler. Supply branch piping and return branch piping connects the interface apparatus to the boiler and provides attachment points for auxiliary plumbing equipment. The apparatus is adapted to connect to pump in variable orientations using rotatable flanges on the interface apparatus and on a wye strainer in the secondary loop supply branch and includes a union fitting attached to the interface apparatus. The union fitting provides a mounting hole for a temperature or pressure gauge.

Abstract: The present invention pertains to a valve assembly comprising a first flow valve operatively coupled to a first hollow connecting rod and a second flow valve operatively coupled to a second hollow connecting rod. The valve assembly provides a means for removing components from an HVAC with either minimal or no loss of coolant or pressure in the system.

Abstract: A low constant pressure injection molding machine forms molded parts by injecting molten thermoplastic material into a mold cavity at low constant pressures of 6,000 psi and lower. As a result, the low constant pressure injection molding machine includes a mold formed of easily machineable material that is less costly and faster to manufacture than typical injection molds.

Abstract: A solenoid valve device includes a solenoid valve that has a solenoid portion, a valve element that drivingly slides using electromagnetic force generated by the solenoid portion and regulates and outputs fluid pressure supplied from a fluid pressure source, a spring that biases the valve element in the sliding direction, and a spring chamber that accommodates the spring; an accumulating portion that accumulates operation fluid; an intake check valve that permits the flow of operation fluid from the accumulating portion to the spring chamber; and a discharge check valve that permits the flow of operation fluid from the spring chamber to an operation destination different from the accumulating portion.

Abstract: Self-cleaning apparatus and methods are disclosed for handling viscous fluids, such as thick solid-liquid slurries of lignocellulosic biomass and its components, under high pressure, using an array of retractable valves.

Abstract: A fluid control assembly configured to isolate a pressurized fluid, including an under pressure abatement assembly having a collapsible member and an energy storage member for exerting a collapsing force on the collapsible member while contactingly engaging a pivotal valve member. A conduit path directs pressurized fluid to exert a force in opposition to the collapsing force so that when the fluid pressure falls below a low pressure threshold, the collapsing force will collapse the collapsible member and release the valve member. An over pressure abatement assembly can be included having a second collapsible member and a second valve member, a conduit path directing pressurized fluid to exert a force in a direction to collapse the second collapsible member and release the second valve member when the fluid pressure exceeds an upper pressure threshold.

Abstract: A flow regulating device 2 comprising a plurality of coaxial vortex chambers 16, 116, 216, 316 disposed in flow series. Each vortex chamber 16, 116, 216, 316 has an inlet 22, 122, 222, 322 disposed to promote rotational flow within the vortex chamber 16, 116, 216, 316, and an outlet 24, 124, 224, 324. A diffusion chamber 12, 112, 212 is disposed between adjacent vortex chambers 16, 116, 216, 316, and the outlet 24, 124, 224, 324 of one and the inlet 22, 122, 222, 322 of the other of the adjacent vortex chambers 16, 116, 216, 316 open into the diffusion chamber 12, 112, 212.

Abstract: The presented valve (1) is based on two axially adjustable sleeve-shaped valve seat rings (14, 36) that are associated with locking arrangements in the form of annular armature plates (22, 35) and associate holding coils (24, 36). The valve closure member (39) can be variably adjusted via a position adjustment drive. Said valve closure member has a double function. On the one hand, it acts to move the valve seat rings (14, 26) into locking position and, on the other hand, it acts to control the gas flow.

Abstract: In the embodiment, a steam valve device has, a steam regulating valve, and an intermediate flow path connecting the main steam stop valve and the steam regulating valve. The main steam stop valve and the steam regulating valve respectively have: casings where flow paths are formed between horizontal inlet ports and outlet ports opened downward and valve seats are arranged in the flow paths; valve elements movable up and down in the casings; and valve rods for driving the valve elements. The valve rods extend upward, and they are pulled off upward in a direction to outside of the casings when opening the flow paths. The intermediate flow path changes the flow direction of main steam flowing out of the outlet port of the main steam stop valve from downward direction to horizontal direction to guide the main steam toward the outlet ports of the steam regulating valves.

Abstract: A door closer, in particular a hinge door closer, including a locking function or free-swing function, having a door closer housing, an output shaft to be connected to a door, a piston assembly connected to the output shaft and guided in the door closer housing, a closer spring, a piston rod adapted to connect the piston assembly to the closer spring, a hydraulic lock compartment adapted to lock the closer spring, and in particular a free-swing assembly which is adapted to enable a translational motion of the piston assembly decoupled from the closer spring when the closer spring is locked.

Abstract: A volume and pressure regulating device for an oxygen generating machine includes a body to combine a path assembly, a pressure valve assembly and a volume valve assembly within one body. The pressure valve assembly and the volume valve assembly are connected via the path assembly.

Abstract: A dual valve assembly for limiting flow into a toilet tank comprises a fill valve, such as a float valve or ball cock valve, and a piston valve positioned between a water supply line and the fill valve. The piston valve operates independently of the fill valve, and is designed to shut off water flow after an approximate flow volume or time. The dual valve assembly may be provided in a single housing replacement part. The dual valve assembly may be provided as an adapter kit comprising a housing and piston valve which is installed in a toilet tank to accept a fill valve.

Abstract: A device for metering fluids includes a block provided with a channel connecting a fluid inlet in fluid communication with a fluid outlet. The device also includes a filter assembly within the channel and a fluid meter within the channel at a position downstream from the filter assembly. The device further includes a check valve assembly within the channel at a position downstream from the fluid meter. In addition, the device includes a calibration valve assembly within a channel section of the channel between the fluid outlet and the fluid meter. The calibration valve assembly is operable to move between a first position allowing passage of fluid from the fluid meter towards the fluid outlet and a second position blocking the passage of fluid from the fluid meter towards the fluid outlet.

Abstract: An embodiment of this disclosure relates to a fluidic interface for a fluid cartridge comprising a single cast comprising a fluidic needle.

Abstract: A gas regulator includes a housing and a pressure regulator positioned within the housing along a first axis for controlling the pressure of gas received from a pressurized source. A flow meter controls the flow rate of the gas received from the pressure regulator. The flow meter is positioned relative to the housing along a second axis, transverse to the first axis. An outlet nozzle member has a nozzle stem and is positioned along the first axis. The outlet nozzle member receives the gas from the flow meter and delivers the gas through the nozzle stem.

Abstract: A household water reservoir includes a reservoir body having a water inlet, a water outlet, and a water chamber communicating between the water inlet and the water outlet. The water inlet is operatively connected to a water inflow of the household water piping system. The water outlet is operatively connected to a water outflow of the household water piping system. Accordingly, the water chamber is adapted for reserving a predetermined amount of water when the water flows from the water inlet to the water outlet, in such a manner that the reservoir body enables the water being stored in the water chamber in fresh by keeping the water moving from the water inlet to the water outlet during daily water usage.

Abstract: A single magnetic coil floating plunger redundant gas valves is disclosed. In an illustrative embodiment, the valve may include a first plunger tube, a second plunger tube spaced a distance from the first plunger tube, a magnetic coil disposed about at least part of the first plunger tube, a first plunger disposed within the first plunger tube, and a second plunger disposed within the second plunger tube. The first and second plungers may be operatively coupled to first and second valve members. Activation of the magnetic coil may result in the first and second plungers being suspended in the plunger tubes without a hard mechanical plunger stop to selectively open corresponding valves or other actuatable components, as desired.

Abstract: Tidal modulators are described by which the tidal flow may be started, stopped, or regulated by movable parts that open, shut, or partially obstruct one or more passageways to modulate the tidal flow so as to enhance capturing its energy.

Abstract: The invention relates to a gas filling and distribution head (2) which is intended to be disposed in a hole in a pressurized gas storage tank. The inventive head (2) includes a mounting segment (21) which is intended to be housed in the hole in the tank and an expansion segment which houses a pre-expansion device (22), said pre-expansion device (22) being arranged in relation to the mounting segment (21) such as to be housed at least partially inside the tank when the head is in the mounted position. The head (2) also includes: a filling circuit which extends between a first end which is equipped with a filling hole (6) and a second end which is intended to communicate with the interior of the tank, and an extraction circuit which extends between a first end which is intended to communicate with the interior of the tank and a second end which is equipped with an extraction hole. The invention is characterized in that the filling hole (6) is aligned with the extraction hole.

Abstract: A main control valve is actuated by a pilot fluid control signal between open and closed positions to supply fluid to an actuator such as a valve actuator. A stack of logic control valves is supported on the main valve- and controls the flow of the pilot signal. Each of the logic control valves has a housing of common design. Intermediate flow-directing plates of different designs provide fluid communication between adjacent housings. The stack has a common pilot feed passage and a common exhaust passage that are each defined by an annular clearance around supporting tie bars that pass through bores in the stack. Each plate has apertures that form part of the exhaust and pilot feed passages and an aperture that interconnects the returning pilot signal with the pilot inlet of the next valve in the stack. The arrangement allows for simplification of the design of the apparatus with a single housing design and multiple plate designs.

Abstract: A multi-stage pressure regulator in which pressure is first reduced by a set ratio in one or more stages followed by an adjustable pressure output stage. The system of the present invention provides for distribution of the Joules-Thomson (JT) cooling effect between multiple stages. The present invention thereby provides a system to control pressure reduction and thus prevent condensation (and associated distortion of a vapor composition sample) of a gas due to J-T cooling effect.

Abstract: Two-stage regulators for substantially reducing high pressures introduced into the regulator The reduced pressure is exerted against a first stage and second stage, each of which includes a spring-coil, plunger actuated diaphragm that urges an actuator to open a ball valve at a selected pressure to allow fluid to flow out of the regulator at a desired and much reduced pressure

Abstract: A conveying chamber hose for a device for conveying fluid is embodied in an elastic manner, has an inlet and an outlet and has the smallest resistance in the area of the inlet.

Abstract: A method is provided for portioning a flowable, optionally pressurized mass. In a first step a first pinch valve is opened and a second pinch valve located thereafter in a principal flow direction of the mass (m) is slightly closed. As soon as a desired quantity of the mass has passed the pinch valves the first pinch valve is closed. The second pinch valve is then opened. The opening, the slight closing and the closing of the first pinch valve and of the second pinch valve is accomplished by a pressure medium. A controller, a valve arrangement and a portioning device are also provided for executing the method.

Abstract: A compressed gas regulator of a piston type is disclosed in which a regulator is configured with an input valve situated entirely inside a compressed air canister, which regulator is then attached to a paintball gun, marker or other device for providing discrete charges of gas at a predetermined pressure to the attached device. The overall size and weight of the regulator are minimized, which allows increased capabilities to the user. A regulator overpressurization port vents behind a conventional safety gauge for safety purposes. Fill, gage, and canister overpressurization rupture ports are interconnected with a fill channel that extends from the canister to the ports without intersecting or interfering with the regulating components within the regulator. The input valve seat face is surrounded by a shallow generally conical surface within an input plenum. The shallow generally conical surface extends at approximately 5 to 15 degrees.

Abstract: A valve assembly for reducing water loss from a leak from a water device. The valve assembly includes a first passage through which water flows from a water source to the water device and a second passage through which water flows from the water device. A first valve is in fluid communication with the first passage and the second passage. The first valve is operable for obstructing the first passage in response to a change in pressure differential between water in the first passage and water in the second passage resulting from a leak of water from the water device. The valve assembly also includes a second valve in fluid communication with the first passage. The second valve is responsive to the obstruction of the first passage to close the first passage and thereby stop water from flowing from the water source to the water device.

Abstract: A pneumatic system for a surgical machine includes a reservoir, first and second proportional valves, and a controller. The reservoir holds pressurized gas. The first proportional valve is located on an input side of the reservoir and allows a variable amount of pressurized gas to enter the reservoir. The second proportional valve is located on an output side of the reservoir and allows a second variable amount of pressurized gas to exit the reservoir. The controller controls the operation of the first and second proportional valves. The controller adjusts the first and second proportional valves so that a constant gas pressure range is maintained at an output of the reservoir over a first range of input gas pressures and a second range of gas usage.

Abstract: Methods of, and apparatus for, storing and transporting a hazardous fluid, such as a combustible fuel, include methods and means, respectively, for: (a) treating the fluid to reduce its hazardous condition; (b) storing and/or transporting the treated fluid in such a manner that the risk of its hazardous condition remains reduced; (c) thereafter retreating the fluid to restore it to its original hazardous condition so that the fluid may be used in its restored condition. The hazardous fluid may be treated by adding a substance to, or removing a substance from, the fluid, or by changing the state of the fluid. For example, if the fluid is a fuel, it may be treated by cooling it to near or below its freezing temperature to reduce its combustibility, volatility, explosivity and/or ease of ignition.

Abstract: A valve assembly for modulating fuel flow is disclosed which includes a valve housing having an inlet section and an outlet section, at least one valve rotor disposed between the inlet section and the outlet section for modulating fuel flow through the valve housing, wherein the at least one valve rotor is formed from a ferritic magnetic flux permeable material and is mounted for rotational movement within the valve housing, under the influence of a torsion spring, between first and second magnetically latched positions, and a pair of electromagnets means for alternately latching the at least one valve rotor in the first and second magnetically latched positions.

Abstract: A device for controlling the delivery of a combustible gas to a burner apparatus is provided including a main gas-delivery duct in which there is at least one servo-assisted diaphragm valve including a valve seat associated with a corresponding closure member with diaphragm control for opening the seat against the action of a resilient biasing member. The diaphragm valve includes a respective control solenoid valve with an electromagnetic operator for controlling the corresponding valve, the solenoid valve being arranged to bring about the opening/closure of a duct of a respective servo-assisted control circuit so as to operate the closure member of the valve indirectly, by the diaphragm control. The duct of the control circuit putting a portion of the main duct that is disposed upstream of the valve seat with respect to the direction of the gas-flow into flow communication with a respective control chamber of the diaphragm valve.