178results about "Fluid-delivery valves" patented technology

The present disclosure relates to a quick fill device for use with a valve assembly, and related methods of filling a pressure vessel. A valve assembly that can be secured to a pressure vessel includes a vessel, a fill valve, and an overfill valve. A preferred example of the device includes a body, a valve trigger pin, a vent trigger pin, and a handle. A valve engagement end of the body can be releasably secured within the vessel. At this point, moving the handle to an open position causes the valve trigger pin to force the fill valve to an open configuration, and causes the vent trigger pin to force the overfill valve to a fluid venting configuration. A rigid fill tube is in fluid supply communication with a fuel supply port of the body. The fill tube and the handle can be elongate, and extend in a common direction.

The utility model discloses a gas safety self -closing valve with protection function, including self -closing valve body, the top of self -closing valve body is provided with the nu, one side of self -closing valve body is provided with internal thread interface, the other side of self -closing valve body is installed ball core valve, and one side of ball core valve is provided with external thread interface. The utility model discloses be provided with baffle, transparent protective cover, reservation groove, dog, buckle and recess, realized to gas safety self -closing valve protection, reservation groove and buckle's distribution, facilitate baffle and self -closing valve body assembly together, and dog and recess's distribution, facilitate the transparent protective cover fixed above baffle, the top of self -closing valve body and ball core valve is shielded to it and is protected, blocks the oil fume, the stain adhesion on the outside of self -closing valve body and ball core valve top, avoids font and nu gap to be covered, thereby makes gas safety self -closing valve have protection function.

The invention discloses a water-saving valve and relates to the technical field of water-saving valves, the water-saving valve comprises a water pipe, a valve rod and a part bin, the water pipe comprises a water inlet pipe and a water drainage pipe, and a water drainage water wheel is arranged in the water drainage pipe; the valve rod is inserted into the water passing pipe and located between the water inlet pipe and the water drainage pipe. In the direction perpendicular to the water passing pipe, the valve rod is sequentially provided with a blocking block and at least one water passing hole; a first reset assembly is arranged in the part bin and comprises a transmission screw fixedly connected with the drainage water wheel and a lifting gear meshed with the transmission screw, one end of the lifting gear is fixedly connected with the valve rod, and the other end of the lifting gear is connected with the part bin through a first elastic piece. When the valve rod is pressed down, the water pipe is communicated, water flow in the drainage pipe pushes the drainage water wheel to rotate, and the valve rod extrudes the first elastic piece; when the valve rod is loosened, the lifting gear and the first elastic piece jointly push the valve rod to ascend and reset, and the water passing pipe is cut off. The water-saving valve is sensitive and reliable in action, water flow waste is avoided, and the water-saving effect is good.

The invention discloses a self-adaptive steady flow and instantaneous high-pressure protection hose valve and a hose packaging container. The self-adaptive steady flow and instantaneous high-pressure protection hose valve comprises a valve body and a valve cavity, wherein the valve cavity is communicated with a liquid inlet and a liquid outlet; an elastic response assembly in the valve cavity divides the valve cavity into a low-pressure side and a high-pressure side. When the low-pressure side pressure is lower than or equal to a first threshold value, the liquid inlet is sealed; when the pressure of the low-pressure side is higher than a first threshold value, a fluid main channel from the liquid inlet to the liquid outlet through the valve cavity is opened; the flow limiting structure is arranged on the high-pressure side and communicates with the liquid outlet; when the pressure of the low-pressure side rises to a second threshold value, the low-pressure side deforms to make contact with the flow limiting structure to seal the fluid main channel, and the liquid outlet communicates with the valve cavity through a constant micro-channel formed in the flow limiting structure. By arranging the elastic response assembly and the flow limiting structure which can be self-adaptively deformed according to the internal pressure to adjust the sectional area of the main channel and can be switched to the constant micro-channel at high pressure, the problems of unstable discharge flow of the hose and explosive liquid discharge at instantaneous high pressure are solved, and reliable one-way sealing is realized at the same time.

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).

Systems and methods for controlling valve actuators are provided. The system includes an interface circuit in electrical communication with a wiring connection from a pool / spa control system, and a processor in communication with the interface circuit. The interface circuit extracts a plurality of encoded bits transmitted to the interface circuit from the pool / spa control system over the wiring connection. The plurality of encoded bits could include Manchester-encoded bits that are encoded by the pool / spa control system by altering signals transmitted to the interface circuit over the wiring connection. The processor receives the plurality of encoded bits from the interface circuit and processes the plurality of encoded bits into a control command for controlling operation of the valve actuator. When a valid control command has been generated, the processor executes the control command to operate the valve actuator in accordance with the control command.

The invention belongs to the technical field of vehicle engineering, and discloses a device and method for eliminating surface wave defects of an automobile outer covering part, the device is a self-closing exhaust valve, the self-closing exhaust valve comprises a valve body, an embedded sleeve, an upper cover, an upper cover rotating shaft, an upper cover sealing ring and an upper cover counter weight, the valve body and the embedded sleeve are both hollow pipes with the upper portion and the lower portion open, and mounting threads are arranged on the outer surface of the valve body; the embedded sleeve is detachably arranged in the valve body in a sleeved mode, the upper cover is rotatably connected to the top of the valve body in a limited mode through an upper cover rotating shaft, a detachable upper cover sealing ring is arranged between the upper cover and the valve body, and the upper cover balance weight is arranged on the upper cover and is adjustable in weight. According to the method, the self-closing exhaust valve is additionally arranged on the exhaust hole of the flanging forming process die, and the wave defect generated on the surface of the automobile outer covering part is effectively eliminated by adopting a method of adjusting the installation air tightness of the self-closing exhaust valve, the free rotation state of an upper cover opening, an upper cover balance weight, an upper cover rotating shaft, the air tightness of the upper cover and the diameter of an air vent; the surface quality of the outer covering part is improved, and the stability of high-speed production is guaranteed.

The invention relates to a high-temperature cut-off control method for a locking valve and the locking valve, and relates to the field of fuel gas using technology.The high-temperature cut-off control method comprises the steps that 100, in response to a preset cut-off signal, the channel temperature of the locking valve is collected; 101, when the channel temperature is lower than the preset solidification temperature, the cut-off time is determined based on the channel temperature; 102, the melting volume is determined by combining the cut-off time and the channel temperature; and step 103, when the melting volume is greater than a preset defect threshold value, generating and displaying a paraffin replacement prompt according to the melting volume. The locking valve has the effects that the use convenience of the locking valve is improved, and the high-temperature cut-off assembly can be rapidly reset.

The present invention relates to a medical device, comprising a valve set including a primary control valve, an air input valve, and an atmospheric valve, the primary control valve configured to control flow between a water input channel, a water output channel, and a balloon channel of a valve well, the air input valve configured to control flow through an air input channel of the valve well, and the atmospheric valve configured to control flow through an atmospheric channel, and a valve interface mechanism including a set of one or more biasing members and a user interface mechanism, the user interface mechanism comprising an interface member and a slot cam, the interface member operable between a first state, a second state, a third state, and a fourth state, the first state comprising the valve set configured to place the air input channel in fluid communication with the atmospheric channel, the second state comprising the valve set configured to place the air input channel in fluid communication with the air output channel, the third state comprising the valve set configured to place the water input channel in fluid communication with the water output channel, and the fourth state comprising the valve set configured to place the water input channel in fluid communication with the balloon channel. In the first state the air input valve permits flow through the air input channel and the atmospheric valve permits flow through the atmospheric channel. In the second state the air input valve permits flow through the air input channel and the atmospheric valve blocks flow through the atmospheric valve. In the third state the primary control valve permits flow from the water input channel to the water output channel and the air input valve blocks flow through the air input channel. In the fourth state, the primary control valve permits flow from the water input channel to the balloon channel and the air input valve blocks flow through the air input channel.

A fluid receptacle (1, 1', 1") is identically valved (8, 9) at its opposite first and second ends and contains a single body of liquid (2), such as a solvent, with activated carbon disposed in the liq

The invention relates to the supply of liquids to bulk storage components, in particular a method for the supply of liquids to a bulk storage component (1), wherein the bulk storage component (1) has an overflow (9). The supply of liquids is to be designed to be easy. To this end, the liquid is introduced into an overflow distributor (5) having a distributor boundary (7), wherein the liquid is throttled by means of at least one channel (8) arranged in the distributor boundary (7) into a tank region (2) of the bulk storage component (1), and the liquid which is not discharged through the at least one channel (8) is discharged through the overflow (9).

A valve for regulating a flow of liquid through a channel in a wall of a cartridge seat of a liquid treatment system includes at least a valve body (15) defining at least one port and at least one movable valve component (16), movable with respect to the valve body (15). The at least one movable valve component (16) includes a regulating part for selectively obstructing a flow of liquid through the at least one port and an actuating part for engaging a valve actuating device inserted into the cartridge seat. The actuating part is comprised in a mechanism for converting linear motion of a valve actuating device into rotary motion of the at least one movable valve component (16) and includes a member of each of at least one pair of a spiral contour and a part (41a, b; 63a, b) for engaging the spiral contour.

The utility model discloses a quantitative given time delay valve, and relates to the technical field of valves. The quantitative given time-delay valve comprises a quantitative given time-delay valve body, a connecting piece is arranged at the end, away from the quantitative given time-delay valve body, of a connecting pipe, a movable closing assembly used for closing the end of the connecting pipe is arranged in the connecting piece, and a through hole is formed in the surface of the movable closing assembly in a penetrating mode. A moving assembly used for controlling the moving closing assembly to move in the connecting piece is arranged on the surface of the connecting piece, a connecting assembly used for filtering impurities is arranged in the connecting pipe and on the surface of the connecting pipe, an opening is formed in the surface of the connecting assembly, and a filtering assembly is arranged on the inner wall of the opening. When the quantitative given time delay valve main body is damaged, the connecting pipe can be closed, so that fluid cannot flow outwards, meanwhile, the passing fluid can be filtered, filtered impurities can be conveniently moved outwards, and the filtering structure can be replaced.

The oil circulation arrangement includes a lower oil inlet portion, a filter unit (10) of a vehicle transmission filter, and an outlet (5) located higher than the inlet portion for immersion in the oil in the crankcase. The arrangement includes one or more valves (1) integrated into the inlet portion, each selectively allowing a flow of crude oil (F) when a float (2) provided in the valve is raised, releasing at least one shutter (21) movable according to the float's position. Access to the filter unit in the valve is thus opened when this float (2) is subjected to the buoyant force (Arch). A return element (20) is coupled to the access closure means, including the shutter, and prevents air from entering through this access, which, by the return effect without sufficient opposing buoyant force (Arch), remains closed. Figure from the summary: Figure 1

A formulation cartridge including a body portion configured to contain a formulation pouch, a release located on a body portion of the formulation cartridge, a handle portion configured to enclose at least a portion of the body portion, and a protrusion internal to the handle portion, where the protrusion is configured to apply pressure onto the release when the body portion is inserted into the handle portion, and where the pressure degasses the body portion of the formulation pouch. A straw-in-straw degassing unit for degassing liquid formulas and compositions, and pouches including the degassing unit. A straw-in-straw degassing unit includes an outer tube with a first outer tube aperture and a second outer tube aperture. An inner tube is slidably nested within an interior of the outer tube. The inner and outer tubes slidably interact and a liquid can be expulsed from a container without substantial expulsion of gas therefrom.

A tap device configured to couple with a controllable fluid source. The tap device comprises an inlet and an outlet with a flow control assembly provided therebetween and an outer casing at least partially surrounding the flow control assembly. The inlet is configured to couple to a controllable fluid source to allow fluid to flow into the flow control assembly. The flow control assembly is coupled to an actuator mechanism that is moveable between a closed position in which fluid is prevented from flowing to the outlet and an open position where fluid is allowed to flow through the outlet and wherein the flow control assembly is configured to reduce the flow rate of the water received from the water source for delivery to the outlet. The actuator mechanism is biased to the closed position, wherein when manually actuated the actuator mechanism allows a controlled flow of fluid to flow out of the outlet and wherein the actuator mechanism requires minimal effort / force to move from the closed position to the open position.

A liquid treatment cartridge has a housing, the housing including at least one liquid-permeable window (43a-d) forming a liquid inlet, at least one liquid-permeable window (42a,b) forming a liquid outlet, at least one treatment chamber, e.g. including a liquid treatment medium, situated between and in liquid communication with the liquid-permeable windows (42a-d, 43a,b) forming the liquid inlet(s) and outlet(s), and a device for actuating a valve for regulating a flow of liquid through a channel in a wall of a cartridge seat of a liquid treatment system. The valve includes at least a valve body (15) defining at least one port, and at least one movable valve component (16), movable with respect to the valve body (15). The at least one movable valve component (16) includes a regulating part for selectively obstructing a flow of liquid through the at least one port and an actuating part for engaging the valve actuating device when the valve actuating device is inserted into the cartridge seat. The actuating part includes a member of each of at least one pair of a spiral contour and a part (41a,b;63a,b) for engaging the spiral contour and is comprised in a mechanism for converting linear motion in axial direction of the valve actuating device into rotary motion of the at least one movable valve component (16) about the axis or a parallel axis. A section of the actuating device for engaging the actuating part is insertable in the axial direction through an opening for admitting liquid to the valve, which section is included in the mechanism and includes the other members of the at least one pair. The mechanism includes the parts for engaging a spiral contour and the spiral contours.

A volumetric metering valve (1), particularly for liquid, viscous and / or piece-containing products, which comprises: - a valve body (7), which defines inside it an intake duct (8) and a filling duct (9) which can be connected, respectively, to a storage tank (2) and to a container (3) to be filled at respective inlet (4) and filling (5) openings; - a flow control element (11), which can move through the internal ducts of the valve body (7) between an intake position, in which the inlet opening (4) is fully open and the filling opening (5) is closed, and a filling position, in which the inlet opening (4) is closed and the filling opening (5) is fully open, passing through at least one throttling position which is intermediate with respect to the intake and filling positions, in which the inlet opening (4) is closed and the filling opening (5) is only partially open; - a filling chamber (15) which communicates with the inside of the valve body (7); - a pusher piston (16), which is accommodated in the filling chamber (15) so that it can slide between a loading position, in which the pusher piston (16) is fully extracted from the filling chamber (15) so as to allow the product to flood the filling chamber (15), and a discharge position, in which the pusher piston (16) is fully accommodated in the filling chamber (15) so as to convey the product from the filling chamber (15) to the container (3), passing through a draining position, which is intermediate between the loading and discharge positions.

The invention discloses a mechanical liquid level and pressure cooperative control device for an immersed liquid hydrogen pump, which comprises a first valve and a second valve which are sequentially arranged and connected in series on a gas phase exhaust pipeline of a liquid pool along the exhaust direction, an exhaust channel of the first valve is opened or closed according to the liquid level height in the liquid pool, and the second valve is opened or closed according to the liquid level height in the liquid pool. An exhaust channel of the second valve is opened or closed according to the gas phase pressure of the liquid pool; the first valve and the second valve are both self-operated control valves, an exhaust channel of the first valve is opened only when the liquid level height in the liquid pool is not higher than a set liquid level threshold value, and an exhaust channel of the second valve is opened only when the gas phase pressure of the liquid pool is not lower than a set pressure threshold value. A passive and intrinsically safe pure mechanical structure is adopted, the low-liquid-level working condition of a liquid pool of the liquid hydrogen pump can be intelligently recognized, and under the working condition, pressure compensation is conducted through the characteristics of a profound hypothermia system to stabilize the NPSH of the pump, so that the reliability and safety of operation of the control device and the liquid hydrogen pump are effectively guaranteed.

Proposed is an automatic liquid drain device including a body (10) having a water collection chamber (12) and configured such that an upper cap member (11) having a liquid inlet (13) is fastened to an upper portion of the water collection chamber (12), a buoyancy valve member (20) embedded to be vertically movable in the water collection chamber (12), having downward-inclined ribs (23) and a drop drain (24), and provided with a valve packing (25) protruding from a lower center thereof, a liquid pooling space (122) below the buoyancy valve member (20), and a drain emergency action means (30) provided with a drain nipple (31) having a vertical drain hole (32) whose upper end is exposed to the liquid pooling space (122), and an opening / closing nipple (34) fastened to a lower portion of the drain nipple (31) to open and close the vertical drain hole (32).

By a valve stem 10 having an upper end part penetrating through a piston 9 inside a cylinder 4 and fixed to a pressure displacement means 12 and having a lower end portion to which is fixed a valve main element 11 disposed inside a secondary flow path 3 and forming a secondary side communication flow path 16 in the valve stem, it is made possible, without forming of the secondary side communication flow path in the valve body 1, to feed a fluid at the secondary flow path side into a pressure sensing chamber 14 via the secondary side communication flow path of the valve stem in accordance with pressure rise at the secondary side and made possible to make an appropriate selection among valve stems differing in diameters of the hollow portion 13 and the supply hole 15 that constitute the secondary side communication flow path.

The present invention relates to a fluid control system comprising a first chamber, a second chamber and a passage extending between said upstream chamber and said downstream chamber. An elongate valv

A valve for regulating a flow of liquid through a channel in a wall of a cartridge seat of a liquid treatment system includes at least a valve body (15) defining at least one port and at least one movable valve component (16), movable with respect to the valve body (15). The at least one movable valve component (16) includes a regulating part for selectively obstructing a flow of liquid through the at least one port and an actuating part for engaging a valve actuating device inserted into the cartridge seat. The actuating part is comprised in a mechanism for converting linear motion of a valve actuating device into rotary motion of the at least one movable valve component (16) and includes a member of each of at least one pair of a spiral contour and a part (41a,b;63a,b) for engaging the spiral contour.

An automatic control water valve and an automatic water feeder are provided. The automatic control water valve includes a valve body, a valve core, and a controller. The valve core is located in a valve core chamber of the valve body. The valve core includes a diaphragm component and a reset spring. The diaphragm component is configured to cooperate with an annular inlet to communicate or miscommunicate a waterway between an inlet channel and an outlet channel. The diaphragm component is provided with a pressure boosting hole communicating the inlet channel and the valve core chamber, a bottom of the valve core chamber is provided with a vent hole; the controller includes a float and a sealing component, the sealing component is linked with the float to seal or open the vent hole in rising or falling state of the float.

Disclosed in the present invention is a small-sized dual-flow switchover device, comprising a flow control member, a driving mechanism, an upper cover, and a housing. A water inlet flow channel having a flow channel valve seat is provided between the upper cover and the housing in a penetrating manner; and the flow control member is located in the water inlet flow channel and has a water passing gap through which water can pass. On one hand, the flow control member can be pressed against the flow channel valve seat under the action of a water flow impact force so as to partially close the water inlet flow channel; and on the other hand, the flow control member can be pushed away from the flow channel valve seat by the driving mechanism so as to further open the water inlet flow channel. The present invention can achieve switching between high and low flow, and the apparatus has a small size and is not prone to water leakage.

A valve and a method are for controlling fluid flow between a fluid supplying device and a fluid receiving device. The valve has an inlet for connection to the fluid supplying device, and an outlet. The valve has a piston arrangement slidable with respect to a valve body between a closed first position, and an open second position providing fluid communication between the inlet and the outlet upon exposure to a fluid pressure exceeding a predetermined level. The piston arrangement has a first piston area when the valve is in the closed first position, and an additional second piston area when the valve is in the open second position. The valve further has a restrictor arrangement for delaying closing of the valve to allow a fluid supply pressure to bleed off.