268results about "Fluid-delivery valves" patented technology

The utility model discloses an automatic closing valve for gas pipeline leakage and a self-closing valve thereof, and relates to the technical field of structural design of gas self-closing valves. According to the gas pipeline leakage automatic shut-off valve, a vent hole is formed in the middle of a shell, a leather film is connected to the edge of one side of the shell in a sealed mode, a connecting structure is arranged on the edge of the shell, a gas inlet is formed between the connecting structure and the leather film, and the connecting structure is connected with the inner wall of a gas pipeline in a sealed mode. According to the self-closing valve, a timer is arranged on a valve body, a closing device is arranged at the gas inlet end of the valve body, and a gas pipeline leakage automatic closing valve is arranged at the gas outlet end of the valve body. The problem that in the prior art, automatic closing of the gas pipeline can not be achieved when leakage happens to the gas pipeline, and use safety of gas is affected is solved. According to the gas pipeline leakage automatic closing valve and the self-closing valve thereof, when gas leakage occurs, the gas pipeline leakage automatic closing valve can be automatically closed. And through the closing device of the self-closing valve, the action of the closing valve is further ensured, and the effectiveness of leakage closing is ensured.

The invention relates to a mechanical double-trigger self-closing valve, and relates to the technical field of self-closing valves, the mechanical double-trigger self-closing valve comprises a valve body, an air inlet and an air outlet are formed in the valve body, a mounting frame is fixedly arranged in the air inlet, a flow hole is formed in the mounting frame in a penetrating mode, and a sliding rod is transversely arranged on the mounting frame in a sliding mode; a valve block and a fixed magnet are fixedly arranged on the sliding rod; a guide frame is fixedly arranged in the valve body, a movable block capable of sliding downwards is arranged on the guide frame, and a first attraction magnet and a first repulsion magnet are arranged on the movable block; a movable rod is vertically arranged on the top of the valve body in a sliding mode, and a leather film fixed to the movable rod is further arranged in the valve body. An adjusting groove is formed in the movable rod, a lifting magnet is arranged in the adjusting groove in a sliding mode, and the lifting magnet attracts the movable block. The self-closing valve has the effects that the reliability of the self-closing valve in the off state is improved, the misoperation risk is reduced, and the gas path can be directly cut off conveniently in the normal state of the internal pressure of the gas path.

A pool cycling valve with a valve body, a ratchet assembly, and a bottom plate. The valve body has an inlet port and a plurality of outlet ports. The ratchet assembly is rotatably coupled to the valve body and has a ratchet arm extending away from the ratchet assembly. When in a closed position, the ratchet assembly is configured to interfere with a stream of water. When in a open position, the ratchet assembly is rotated from the closed position by a predetermined angle. The bottom plate has an outlet port aperture aligned with one of the outlet ports and a ratchet tooth operably aligned with the ratchet arm. When the ratchet assembly rotates from the open position to the closed position, the ratchet assembly aligns the outlet port aperture with a different outlet port.

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 invention relates to the technical field of fuel gas safety control, and particularly discloses an intelligent fuel gas self-closing valve for real-time operation state monitoring, the intelligent fuel gas self-closing valve comprises a state monitoring system, the state monitoring system comprises a gas pressure waveform of a fuel gas channel in a gas supply recovery stage, a rising stage of the gas pressure waveform is subjected to parameter gradient analysis, and the rising stage of the gas pressure waveform is subjected to parameter gradient analysis; establishing an impact characteristic matrix; constructing a diaphragm-airflow coupling dynamic model, and judging whether the diaphragm has a water hammer impact risk or not; if yes, the minimum diaphragm effective impact force is extracted, and a real-time damping opening degree instruction is output; controlling a multi-stage flow channel based on the damping opening instruction, carrying out fluid kinetic energy vortex dissipation analysis on the flow channel, and judging whether a deformation analysis signal is triggered or not; and if triggering, performing material deformation analysis on the diaphragm to obtain a theoretical deviation of the diaphragm, positioning a dissipation flow weak link of the flow channel, and establishing a dynamic correction model for the dissipation weak link to adjust the distribution of the flow passage area of the flow channel.

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).

Hydraulic manifold The invention relates to a hydraulic manifold (1) for fluidly connecting at least two series of reservoirs (2-5) comprising at least one filling inlet (6) and at least one drawing outlet (7), a filling pipe (8), a drawing pipe (9) and as many branch pipes (10, 14) as there are series of reservoirs (2-5), a branch pipe (10, 14), comprising, at its inlet, a connection to the filling pipe (8), via an upstream non-return valve (11, 15), and at its outlet, a connection to the drawing pipe (9) via a downstream non-return valve (12, 16). Figure for the abstract: Figure 1

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.

A method of disinfecting a fluid system having a reservoir containing a first fluid and a flow path in fluid communication with the reservoir, wherein the first fluid is selectively released from the reservoir to the flow path. A receptacle containing a second fluid, which comprises a disinfectant, is fluidly connected to the fluid system, the internal pressure of the receptacle is higher than the pressure in the flow path. The disinfectant may comprise a peroxide. The fluid system is configured such that the second fluid is retained in the receptacle when the first fluid is not released from the reservoir, and such that the second fluid is drawn into the fluid system from the receptacle when the first fluid is released from the reservoir. The receptacle is fluidly connected to the fluid system via a non-return valve 3. The system may be a plumbing system with the flow path defined by pipes 8 connecting the reservoir 9 to a shower 4, a sink 5, and a toilet with a cistern 6. Flushing the toilet releases water from the cistern into the flow path, generating a pressure differential which activates disinfectant flow from the receptacle 2 into the pipes.

The utility model discloses an automatic reset lever remote manual regulating valve. The problem that a conventional adjusting valve does not have a reset function is mainly solved. The check valve is characterized by further comprising a support (4) installed on the valve body. The handle (41) is rotatably connected with the support, the valve rod is connected with the handle, and the tail end of the valve rod is used for manual operation rotation; the ejector rod (5) is movably mounted on the bracket; the elastic piece (51) is installed on the support and exerts force to enable the ejector rod to abut against the end of the valve rod so that the valve element can be in a closed state. According to the long-distance manual regulating valve with the automatic reset lever, the valve rod is automatically reset through the elastic piece, the regulating valve can be further operated in a longer distance by arranging the chain, and operation is safe and reliable.

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.

To provide a pulse valve which can apply a fluid to a base material at a desired resolution.SOLUTION: A pulse valve according to one embodiment of the invention includes: a housing portion having a channel in which a fluid containing a supercritical fluid flows; a nozzle plate having a nozzle hole to discharge the fluid flowing through the channel; a needle which is inserted into the housing part and opens or closes the channel; and an orifice which has an opening and abuts on the needle to openably close the channel. The nozzle hole has a laval shape.SELECTED DRAWING: Figure 5

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 invention belongs to the field of safety valves, and discloses a mechanical cutoff self-closing valve which comprises a rectangular shell, a variable-speed water pipe device is fixedly connected to the interior of the rectangular shell, and a pulse water flow manufacturing mechanism is fixedly connected to the interior of the variable-speed water pipe device; the pulse water flow manufacturing mechanism comprises a first water wheel, and the end face of an output shaft of the first water wheel is fixedly connected with an axial reciprocating motion conversion device. The axial reciprocating motion conversion device comprises a first reciprocating motion conversion device, and the end, away from the first water wheel, of the first reciprocating motion conversion device is slidably connected with a first reciprocating motion rod. Impurities attached to the interior of the mechanical cut-off self-closing valve can be reduced through the pulse water flow manufacturing mechanism, the corrosion risk is reduced, the interior of the mechanical cut-off self-closing valve can be continuously scoured through constant water flow, abrasion of the interior of the mechanical cut-off self-closing valve can be accelerated through scouring, and the pulse water flow is intermittent.

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.

Apparatuses, methods, and systems are disclosed for techniques for fluid control. An apparatus includes a valve configured to control a flow of fluid into a tank, a float operatively connected to the valve and configured to actuate the valve based on fluid level within a container, and an activation lever configured to alter interaction with the float.

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.