100results about "Flow control without auxillary power" patented technology

Disclosed are examples of valve systems and methods of operating the respective valve systems. An example valve system may include a valve body, an inlet component, an outlet component and a valve tube. The valve body may include a first void and a second void. The inlet component may be coupled to the first void and the outlet component may be coupled to the second void. The valve tube may include a side port and may be positioned through the valve body and coupled to the first void, the inlet component, the second void, and the outlet component. Other valve system examples may include including a valve body, a first septum, a second septum, a first piston, a second piston and a tube. The disclosed methods describe the interaction of the respective components of the respective valve system example.

An apparatus and method for creating a cavitation effect and / or flash effect. The apparatus and method can be used in a food product molding machine.

A flow control valve for a bathing installation. The flow control valve is configured to operate between an open state and a closed state in dependence on the applied water pressure. As water pressure increases, the valve progressively reduces flow dynamically, until flow increases to a point that the valve is placed in the closed state. The valve may be placed in the bathing installation recirculating water path downstream of a bypass path and upstream of a heat pump. By regulating water flow and pressure to the heat pump, the heat pump may be operated in a flow rate for efficient operation. The valve also prevents water pressure at a high level which may damage the heat pump.

A diaphragm-regulated capillary flow controller is disclosed including a diaphragm-regulated flow controller and a capillary flow controller connected to and in fluid communication with the diaphragm-regulated flow controller. A sampling assembly is disclosed, including the diaphragm-regulated capillary flow controller and a sampling vessel having an inlet in fluid communication with the diaphragm-regulated flow controller through the capillary flow controller. A method for sampling is disclosed, including disposing the sampling assembly in an air sampling location with the sampling vessel being evacuated, setting a flow rate of the diaphragm-regulated capillary flow controller to a rate of up to about 0.5 mL / min, opening a valve blocking fluid communication of the sampling vessel with an atmosphere to be sampled, collecting a sample for a duration of more than one week, and closing the valve.

It is provided a fluid flow control device 100 for establishing a controllable fluid communication between an external fluid reservoir 120-122 and a base pipe 102 constituting part of a production string 101, as well as a production string 101 and a method using such a fluid flow control device 100. The fluid flow control device 100 comprises a primary flow path 2 arranged inside a fluid control device housing 8, a secondary flow path 7 and a movable valve element 9 arranged at and / or within the primary flow path 2. A major portion of the length of the secondary flow path 7 extends outside the fluid control device housing 8.

A control valve (1) for selectively regulating a fluid flow from one of two sources, comprising a housing with a first inlet (11), a second inlet (12), and an outlet, a flow selection element (55) rotatable around a centre axis (A) to bring the first inlet (11) or the second inlet (12) is in fluid communication with the outlet, said flow selection element (55) comprising a flow passage (51) comprising an axial section (51a) extending a distance along the centre axis (A) for the flow passage to be connectable at a first axial position (T1) to selectively one of the inlets (11; 12) and to be connectable to the outlet at a second axial position (T2), and a differential pressure regulator (100) arranged in the housing at an axial end of the control valve (1) and comprising a throttle member (106) axially movable along the centre axis (A).

The invention relates to a pressure-independent control valve comprising a fluid inlet; a fluid outlet; a fluid path between the fluid inlet and the fluid outlet; a pressure differential control, wherein the pressure differential control comprises a chamber in fluid communication with the fluid path; and a drain. The drain comprises a drain outlet in fluid communication with the chamber and a drain closure to open and close the drain outlet. Fluid can drain from the valve when the drain outlet is open. The drain closure is movable between an open position to open the valve and a closed position to close the valve. The invention further relates to a fluid system comprising the valve with the drain, and to a method of draining the valve via the drain.

The system includes a gas capture system having a first adsorbent having a first adsorbent material and a first phase change material. The first adsorbent material is configured to adsorb unwanted gases from a gas stream during the adsorption mode. The first phase change material is configured to absorb heat during the adsorption mode to increase the capacity of the first adsorbent material for adsorbing unwanted gases.

A probe assembly for a closed transfer system is provided. The probe assembly includes a base having an internal wall, a probe defining a hollow air channel, and a valve configured to selectively allow air into the hollow air channel. The internal wall partially defines and fluidly separates a liquid chamber and an air chamber. The probe is coupled to the base such that the hollow air channel is in fluid communication with the air chamber. The valve is positioned proximate to the air chamber. The liquid chamber is configured to deliver rinse water from a water source.

A flow regulating device for regulating a fluid flow therethrough is disclosed, wherein the flow regulating device comprises a regulator inlet for fluid to flow into the flow regulating device, a regulator outlet for the fluid to flow out of the flow regulating device, a fluid channel extending from the regulator inlet to the regulator outlet, and a flow regulating element arranged in the fluid channel to regulate a flow rate of the fluid flowing through the regulator outlet. The flow regulating device may further comprise a flow directing mechanism arranged for inducing a vortex in the fluid around a centre axis of the fluid channel between the flow regulating element and the regulator outlet. Further, a flow regulating assembly is disclosed, comprising an outer housing enclosing the regulator housing of the flow regulating device.

A control cartridge assembly (10) for a valve (100) suitable for be motorised or actuated by an thermal head, comprises a cartridge body (12) within which a stem (14) is slidingly arranged, a linear shutter (16) attached to a first inner end of said stem (14) suitable for connection with a linear actuator in such a manner as to regulate the lift of said shutter (16), wherein said cartridge body (12) comprises at least a first pass-through radial opening (13) formed on its diametral portion; and wherein said shutter (16) comprises at least a second pass-through radial opening (18) formed on its diametral portion, said shutter (16) being coaxially and slidingly arranged in said cartridge body (10) in a telescopic manner such that an alignment in cooperation of said first radial opening (13) and said second radial opening (18) corresponds to a further opening for fluid passage. The invention also relates to a valve (100) comprises the control cartridge assembly (10).

Regulator (100) without auxiliary power with signal lines, comprising a valve housing (110), wherein the valve housing (110) comprises an inlet chamber (120) and an outlet chamber (130), and a valve seat (140) arranged in the valve housing (110), which is arranged between the inlet chamber (120) and the outlet chamber (130), and a valve member (141) cooperating with the valve seat (140), and a diaphragm drive (150) comprising a diaphragm (153), a first working chamber (151), and a second working chamber (152), wherein the first working chamber (151) and the second working chamber (152) are separated from one another by the diaphragm (153), wherein the diaphragm drive (150) is connected to the valve member (141) via a valve rod (170) and is designed to move the valve member (141) in order to switch between the valve member (141) and the Valve seat (140) to form an adjustable throttle point (142).The valve housing (110) further comprises an insert element (180) through which the valve rod (170) and the valve member (141) are guided along a longitudinal axis (200), wherein at least two separate signal lines (145, 172) for media transport run through the valve rod (170).

A fluid flow regulator (10) comprising: a valve chamber (12) having a fluid inlet (14a) and a fluid outlet (14b); and a valve member (16) inside the valve chamber (12), the valve member (16) moveable inside the valve chamber (12); wherein the valve member (16) is concave in the direction of the fluid inlet and convex in the direction of the fluid outlet.

A fluid control system 10 for a pilot-operated pressure regulating valve comprises a first conduit, defining a first flow path, and a second conduit 14, defining a second flow path. The second conduit 14 is parallel to the first conduit and comprises a restriction aperture 70. A variable flow restrictor 20 within the second conduit 14 is arranged to selectively vary a cross-sectional area of the restriction aperture 70. The first conduit comprises a converging portion 48, for reducing the pressure of fluid flowing through the converging portion 48 to an intermediate pressure, and a diverging portion 54. The system 10 also includes a control fluid port 22 for connecting to a control volume of the pressure regulating valve, the control fluid port 22 being configured to receive fluid at the intermediate pressure from the first conduit. [Fig 3]

System, product and method for controlling an industrial process in a factory, the industrial process involving a flow of material, the method comprising using a hardware processor for accepting a definition and / or information regarding a route extending from a source (e.g., raw material tank) to a destination (e.g., filler), along which the material flows and / or, accordingly, automatically activating and / or de-activating material flow along the route.

An inner component assembly for a regulator can include a cage and a plug assembly. The cage can include a peripheral wall defining an opening and a plurality of cage holes formed in the peripheral wall. The plug assembly can include a plug and a sealing element and can be configured to be movably received within the opening such that the sealing element selectively contacts an inner surface of the cage to vary a flow area through the plurality of cage holes depending on a position of the plug.

Various devices, assemblies, components, systems, and methods are provided relating to a volume flow rate smoothing device. An example smoothing device may include a body portion defining a chamber therein. The smoothing device may further include a first flow restrictor portion and a second flow restrictor portion each disposed in fluid communication with the body. The smoothing device may be configured to fluidically communicate with a pump via a first end of the smoothing device to receive a fluid flow from the pump along a fluid pathway extending through the first flow restrictor portion, the body portion, and the second flow restrictor portion. The first flow restrictor portion may be disposed upstream of the body portion. The second flow restrictor portion may be disposed downstream of the body portion.

The application provides a flow divider, a manufacturing method thereof, a mass flow measuring device and a mass flow control device. The flow divider comprises a cylindrical body, a plurality of flow spaces for fluid passing are formed in the cylindrical body and are distributed along the radial direction of the cylindrical body, each of the flow spaces is arranged along the circumferential direction of the cylindrical body, each of the flow spaces is formed between mutually parallel inner and outer circumferential wall surfaces, and the radial distance and effective flow area of the inner and outer circumferential wall surfaces are set to make the fluid flowing through the flow space in a laminar flow state. The scheme of the application can reduce the overall size on the basis of being applicable to large or super-large flow, thereby reducing the difficulty of production and manufacturing, debugging and calibration, installation, maintenance and the like.

It is provided a fluid flow control device 100 for establishing a controllable fluid communication between an external fluid reservoir 120-122 and a base pipe 102 constituting part of a production string 101, as well as a production string 101 and a method using such a fluid flow control device 100. The fluid flow control device 100 comprises a primary flow path 2 arranged inside a fluid control device housing 8, a secondary flow path 7 and a movable valve element 9 arranged at and / or within the primary flow path 2. The inlet of the secondary flow path 7 is arranged separate from the inlet of the primary flow path 2.

The utility model relates to a low-flow liquid filling equipment control system which comprises a connecting pipe, a conical pipe fixedly connected to the bottom end of the connecting pipe, a round pipe fixed to the end, close to the connecting pipe, of the conical pipe, a rotating pipe with one closed end in threaded connection with the free end of the round pipe, a water outlet pipe fixedly communicated with the bottom of the rotating pipe, and a valve body in threaded connection with the bottom end of the water outlet pipe. A convex ring is integrally formed on the inner side of the valve body, the top of the convex ring is conical, and a valve rod capable of moving up and down is arranged in the valve body. The connecting pipe is communicated with the bottom of an original container for filling liquid, the flow of the filled liquid is preliminarily reduced through the conical pipe, and the filled liquid can enter the valve body through the round pipe, the rotary pipe and the water outlet pipe; the filled liquid can be filled into the mixing tank through the drainage hole, and the flow of the filled liquid can be further controlled by adjusting the height position of the rotating block.

It is provided a fluid flow control device 100 for establishing a controllable fluid communication between an external fluid reservoir 120-122 and a base pipe 102 constituting part of a production string 101, as well as a production string 101 and a method using such a fluid flow control device 100. The fluid flow control device 100 comprises a primary flow path 2 arranged inside a fluid control device housing 8, a secondary flow path 7 and a movable valve element 9 arranged at and / or within the primary flow path 2. The inlet of the secondary flow path 7 is arranged separate from the inlet of the primary flow path 2.

An adapter insert for a control valve of a process plant for forming a steam converter may include an insert body with a distance extension section configured to be arranged between a valve housing and a housing cover or between the valve housing and a lantern of the control valve. The distance extension section may include a fluid inlet connection opening, which, in an assembled state of the adapter insert, is located at least sectionally between the valve housing and the housing cover or between the valve housing and the lantern of the control valve.

The invention relates to a proportional flow controller for use in a heating-service water system having a service water line and a heating water line, wherein: the service water line has a service water inlet, a measuring element and a service water outlet, and the heating water line has a heating water inlet, a valve and a heating water outlet; the measuring element has a deflection transmission surface which is operatively connected to a measuring chamber in the service water line and is designed to react to pressure and / or a flow impulse such that pressure and / or flow in the service water line cause the deflection transmission surface to deflect; the deflection transmission surface is mechanically connected to a deflection part; the deflection part has an operative connection to the valve; the deflection transmission surface acts upon a restoring spring during the deflection of the deflection part; a membrane seal having a sealing membrane is provided between the deflection part and a fixed housing part of the proportional flow controller; the fixed housing part has a cap which forms a deflection space around the space where the deflection of the deflection part takes place and / or around a restoring spring; and the cap has a mechanical anti-rotation element.

The application relates to the heat dissipation technical field of power distribution cabinets, and particularly provides a heat dissipation structure of a power distribution cabinet, which comprises a power distribution cabinet body, a heat dissipation area is arranged in the power distribution cabinet body, a first heat dissipation fin and a plurality of electrical elements are arranged in the heat dissipation area, a water cooling circulation pipeline is arranged in the first heat dissipation fin, a second heat dissipation fin is arranged at the corresponding position of the heat dissipation area on the outer side wall of the power distribution cabinet body, a spray head is arranged outside the power distribution cabinet body, when the temperature in the power distribution cabinet exceeds a preset value (such as 80 DEG C), the spray head sprays water to the second heat dissipation fin outside the cabinet body, the temperature of the second heat dissipation fin is rapidly reduced by using the heat absorption of water evaporation, and then the heat absorption capacity of the second heat dissipation fin to the heat of the first heat dissipation fin and the water cooling circulation pipeline in the cabinet is enhanced, the problem that the heat dissipation efficiency of traditional water cooling is reduced after the water temperature rises is effectively solved, and dangerous accidents caused by high-temperature accumulation are avoided.

A valve device (100) for controlling fluid flow and a fluid dispensing system (300) comprising the same. The valve arrangement comprises a valve body (110) having a valve inlet (111) and a valve outlet (112), and a differential pressure controller (120) comprising a movable membrane (121). The movable membrane (121) is held in an end position when a differential pressure between the first membrane side and the second membrane side is below a threshold. The movable membrane (121) is movable in response to the differential pressure when the differential pressure is above a threshold. The valve arrangement (100) also includes a check channel (130) configured to receive fluid from the valve inlet (111) or the valve outlet (112) when the differential pressure is above a threshold. The differential pressure controller (120) is configured to close the inspection channel (130) when the differential pressure is below a threshold. The presence of fluid in the check channel (130) indicates that the differential pressure is above a threshold.

An internal relief valve assembly for use with a natural gas regulator having a diaphragm, a piston, a valve stem and an inlet for receiving gas. A first spring surrounds the valve stem and is centered in the diaphragm. A second spring is nested within the first spring for controlling when the internal relief valve opens. A square-ring is positioned within an opening within the valve stem. A first channel is formed in the valve stem and a second channel is formed in the valve stem which is substantively perpendicular to the valve stem and connected to the first channel to circulate the flow of gas through the valve to an outlet.

The present disclosure relates to a control valve for heat regulation comprising a housing (3) with a fluid inlet (5) and a fluid outlet (7). A first valve arrangement is provided, comprising a first valve member (25) and a first valve seat (27), regulating a fluid flow based on a thermostat setting as well as a second valve arrangement, comprising a second valve member (11) and a second valve seat (13), regulating a fluid flow based on a fluid pressure difference between the fluid inlet and the fluid outlet. The second valve seat (13) is ring-shaped and the second valve member (11) reaches through the second valve seat (13) against the flow direction, such that an increase in said fluid pressure difference causes the second valve member (11) to move in said flow direction towards the second valve seat (13), thereby constricting the fluid flow. Accurate pressure difference control can be achieved as the first valve member senses the pressure of the incoming water.