23results about "Floats for valve actuation" patented technology

A refrigerator includes: a body including a storage compartment; a door that opens or closes the storage compartment and includes a dispenser; a water tank case disposed in the door; a water tank separably mounted in the water tank case; a water level sensor configured to sense a water level inside the water tank when the water tank is mounted in the water tank case; and a water tank valve configured to guide water supplied from a water supply source to the dispenser or the water tank, and to prevent water from being supplied to the water tank when the water level sensor senses that a certain amount of water is stored in the water tank.

The utility model provides a vacuum breaking water stop valve. The vacuum breaking water stop valve comprises a valve body and a partition plate. The partition plate divides the internal space of the valve body into an air outlet channel and an air inlet channel, an outlet of the air outlet channel is located on one side of the bottom of the valve body, and an inlet of the air inlet channel is located on the other side of the top of the valve body. A connecting channel opening for communicating the air inlet channel with the air outlet channel is formed in the partition plate; a water return hole is formed in one side, close to the bottom of the valve body, of the partition plate; a floater is arranged below the connecting channel opening, and a connecting rod penetrating through the connecting channel opening is arranged above the floater; a vacuum breaking chamber is arranged at the top of the valve body, a vent hole is formed in a shell of the vacuum breaking chamber, and a connecting rod inlet and a sealing module for sealing the connecting rod inlet are arranged at the bottom of the vacuum breaking chamber; the upper end of the connecting rod penetrates through the connecting rod inlet and is fixedly connected with the sealing module. In the using process, vacuum breaking and water stopping can be automatically and rapidly achieved, water or other liquid is effectively prevented from damaging the liquid ring pump, and therefore the reliability of vacuum water diversion equipment is improved, and the service life of the vacuum water diversion equipment is prolonged.

Some embodiments include a fluid valve assembly with an outlet base dimensioned to be positioned through a drain in a fluid tank, and a float assembly including a moveable float. The moveable float can form a fluid-tight seal at a first end when the moveable float is coupled to the outlet base, and a flow opening when the moveable float is at least partially decoupled from the outlet base. Some embodiments include a housing positioned with the moveable float, where the housing encloses a suction device coupled to a moveable piston. Some embodiments include an actuable diaphragm positioned in the outlet base, and a compressed air tube or passageway coupled to one side the actuable diaphragm. In some embodiments, the actuable diaphragm is configured and arranged to be actuated by compressed air to move the moveable piston.

The present invention relates to the technical field of water inlet valves. Disclosed is a single-float barrel water inlet valve. A water inlet channel and a water outlet channel of the water inlet valve are connected or disconnected by means of a valve. A single-float barrel is configured to control the valve and has a groove into which water is injected and a buoyancy chamber. The water outlet channel is provided with a flow guide component. The flow guide component is provided with a water receiving cavity. The water receiving cavity is configured to receive water from the water outlet channel. A water outlet hole is provided at the bottom of the water receiving cavity. A water guide plate covering the water outlet hole is provided above the water outlet hole and is configured to guide water entering the water receiving cavity to flow between the water guide plate and the side wall of the water receiving cavity. A water passage gap is provided between the water guide plate and the water outlet hole, such that water flows through the water passage gap and the water outlet hole in sequence and flows into a water tank. The water receiving cavity is further provided with a flow guide channel configured to guide out part of a water flow in the water receiving cavity to fall into the groove, so as to provide an additional counterweight for the single-float barrel. The present invention prevents the water level in the water tank from being unstable under different water pressures.

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

The utility model provides a drainer. The drainer comprises a water inlet and a water outlet, comprising a shell which is provided with a water inlet cavity, a pressure cavity and a first channel; the sealing element is movably arranged in the pressure cavity, and an inclined angle is formed between the moving direction of the sealing element and the axis of the first channel; the pressure relief mechanism is used for controlling the pressure state of the pressure cavity; when the pressure cavity is in the first state, the pressure in the pressure cavity is larger than that of the water inlet cavity and drives the sealing piece to block the first channel, and when the second pressure cavity is in the second state and the pressure of the pressure cavity is smaller than that of the water inlet cavity, liquid in the water inlet cavity jacks up the sealing piece, so that the water inlet cavity is communicated with the first channel. And liquid in the water inlet cavity is discharged to the water outlet through the first channel. The utility model has the beneficial effects that the pressure cavity is adjusted through the pressure relief mechanism, so that the pressure in the pressure cavity is greater than or less than the pressure of the water inlet cavity, and the sealing element moves through the pressure difference, so as to open or close the drainage.

Provided is a valve device that suppresses the impact sound when a float valve descends and that does not easily lift the float valve. The valve device (10) has a housing (15) having a peripheral wall (55), a bottom wall (53), and a partition wall (21), and a float valve (80, 85) housed in the valve chamber in a manner that is capable of ascending and descending, which opens and closes an opening portion, a slit (60) that extends continuously on the peripheral wall (55) and the bottom wall (53), an elastic piece (66) that is capable of flexibly deforming formed via the slit (60), and a free end portion of the elastic piece (66) on the bottom wall (53) side, on which a float valve support portion that supports the float valve (85) is provided.

The invention relates to the technical field of aviation fuel systems, and discloses a light high-pressure-resistant transfer control float valve which is characterized in that a cavity is axially formed in a shell assembly, a medium inlet is formed in the left side of the cavity, a medium outlet is formed in the right side of the cavity, a valve is arranged in the middle section of the cavity and can move left and right in the cavity, and a cover is fixedly arranged on the end face of the right side of the cavity; the valve and the cover are both of a structure with through holes in the middle, the guide rod is inserted between the through holes of the valve and the cover, the guide rod is provided with a limiting boss on the left side of the valve and provided with a conical boss on the right side of the cover, the right end of the through hole of the cover is a sealing slope matched with the conical boss, and a large spring is arranged outside the guide rod in the radial direction and between the valve and the cover. The right end of the guide rod is connected with the floater assembly which is arranged in the medium box, and the density of the floater assembly is lower than that of the medium. Under the condition that the floater is submerged, when the pressure in the oil conveying pipeline is large, the sealing function can be achieved.

The utility model provides a drainer, which comprises a shell, a water inlet channel, a drainage channel, a water outlet channel, a water outlet pipe, a water outlet pipe, a water outlet pipe and a water outlet pipe, the drainage mechanism comprises a floating ball and a flexible plugging strip; one end of the plugging strip is fixed in the water inlet cavity, and the floating ball is fixed at the other end of the plugging strip; the drainage channel is positioned below the plugging strip; in a first state, the blocking strip is pressed down along with the gravity of the floating ball to block the drainage channel; and in the second state, the floating ball enables the plugging piece to swing or move upwards under the action of buoyancy so as to open the drainage channel. The drainage device has the advantages that the drainage channel is plugged through the flexible plugging strip, drainage can be achieved by small-amplitude swinging or upward floating of the floating ball, the internal space of the drainage device can be better utilized, and the drainage device is made smaller and more convenient to use.

The invention is an apparatus for controlling the flow of a fluid, preferably water, to a body of water, such as a swimming pool or a pond. The apparatus includes a valve assembly which is configured to be mounted to a hollow shell. The exterior of the shell is decorated to represent a natural feature of the environment, for example, an aquatic animal. The underside of the shell is configured with a cavity, a portion of which is defined by at least part of the mounting portion of the valve assembly. The mounting portion includes a fitting to receive a hose supplying water to the valve assembly.

A fluid valve assembly (100) is disclosed which comprises an outlet base (125) dimensioned to be positioned at least partially through a drain (D) in a fluid tank (T), and a float assembly (101) including a moveable float (105). The moveable float (105) can form a fluid-tight seal (130) at a first end (105a) when the moveable float (105) is coupled to the outlet base (125), and a flow opening (132) when the moveable float (105) is at least partially decoupled from the outlet base (125). The fluid valve assembly (100) further comprises a housing (150) positioned with the moveable float (105) enclosing a suction device coupled to a moveable piston (152).

The invention belongs to the field of drainage, and particularly discloses a suspension capable of automatically blocking reflux sewage of a rotational flow tee joint and a mechanism capable of automatically blocking reflux sewage, the suspension comprises the following components by mass: 20-30% of expanded vermiculite powder, 66-76% of plastic, 2% of a coupling agent, and 2% of PP (PE)-g-MAH; the suspended body with the adaptive density automatically floats upwards to conduct water flow by means of buoyancy of water during drainage and falls to the bottom to seal the connecting pipe by means of gravity after drainage is finished, and backward flowing of sewage under the reverse pressure of the rotational flow three-way pipe fitting is physically blocked; meanwhile, antibacterial master batches containing graphene, copper oxide and titanium oxide are compounded in the suspension, an expanded vermiculite porous structure anchoring antibacterial agent achieves long-acting antibacterial effect, it is avoided that bacteria decompose sewage to generate stink, and stink reverse flowing is thoroughly blocked in combination with physical sealing.

The invention relates to the technical field of hydraulic station oil recharging, and particularly discloses an oil recharging device of a wind turbine generator hydraulic station, which comprises a storage tank, an oil recharging pipe is arranged on one side of the storage tank, a hydraulic oil tank is arranged at one end of the oil recharging pipe, one end of the oil recharging pipe is connected with a switch valve, and a linkage rod is arranged on one side of the switch valve. A sliding groove is formed in one side of the inner wall of the hydraulic oil tank, a connecting rod is connected to the middle of the sliding groove, a floating plate is connected to one end of the connecting rod, a movable cavity is formed in the middle of the floating plate, and a floating plate is connected to the middle of the movable cavity. The device is further provided with a movable cavity and an embedding block, through cooperation of the movable cavity and the embedding block, when the floating plate floats on the oil surface through the floating plate, the floating plate is not affected by the up-and-down movement of the floating plate along with the oil surface, and meanwhile the floating plate can be subjected to certain position limitation through the embedding block; therefore, the linkage rod is not influenced by the up-and-down fluctuation of the oil surface to deflect.

The invention discloses a floating ball control valve which comprises a valve body, a floating ball, a valve rod and a floating ball. The valve element mechanism comprises a driving valve element, and the driving valve element can move along the driving valve cavity; the controlled mechanism responds to the action of the active valve element and sends a control signal; the liquid path triggering mechanism responds to the pressure rise of the liquid pipeline to enable the active valve element to be switched from the first position to the second position; the gas circuit triggering mechanism comprises an inner cavity formed in the valve body, a floater arranged in the inner cavity and a gas pipeline, a gas port is formed in the upper portion of the inner cavity, a liquid port is formed in the bottom of the inner cavity, and the gas pipeline is connected to the gas port; in response to connection and disconnection of the gas pipeline, liquid is injected into the inner cavity through the liquid opening, and the liquid in the inner cavity is discharged through the liquid opening, so that the liquid level of the liquid in the inner cavity is changed; the floater can vertically float based on the change of the liquid level; the floater moves downwards along with the liquid level so that the driving valve element can be switched to the first position from the second position.

This invention relates to a float valve based on a novel float structure and a refrigeration system incorporating such a float valve. The float valve of this invention includes a valve body, a connecting rod, and a float. One end of the connecting rod is connected to a liquid outlet, and the other end is connected to the float, which is disposed within the valve body. The float housing has an inlet port and an outlet port. An inlet check valve is installed on the inlet port, and an outlet check valve is installed on the outlet port. The inlet check valve flows from the outside of the float housing to the inside, and the outlet check valve flows from the inside of the float housing to the outside. Its advantages are: by installing two opposing check valves on a complete float housing, the pressure inside the housing is made equal to the pressure inside the valve body cavity, solving the pressure difference problem; this float relies on the buoyancy of the liquid and the difference in gravity of the housing to achieve displacement in height, avoiding the problem of the float becoming unbalanced due to pressure changes in the closed air pocket inside the float.

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.

The utility model provides an elastic exhaust valve, and belongs to the technical field of exhaust valves. The elastic exhaust valve comprises a valve body assembly and an exhaust assembly, the valve body assembly comprises a lower valve body, an upper valve cover, a limiting ring and a locking bolt, the lower valve body is sleeved with the upper valve cover in a threaded mode, the exhaust assembly comprises an exhaust barrel, a valve rod, a floating body, a valve element, a fixing rod, a spring and a connecting piece, and the exhaust barrel is arranged at the top of the upper valve cover in a communicating mode; through the arrangement of the lower valve body, the upper valve cover, the limiting ring and the locking bolt, the upper valve cover can be conveniently and rapidly disassembled and assembled, the locking bolt is used for locking the connected upper valve cover again, the connection tightness is guaranteed, through the arrangement of the exhaust cylinder, the valve rod, the floating body, the valve element, the fixing rod, the spring and the connecting piece, the spring and the connecting piece are arranged on the outer top of the valve body, and the exhaust cylinder is arranged on the floating body. Corrosion of internal humid gas is effectively avoided, meanwhile, disassembly, assembly and maintenance are convenient, and practicability is greatly improved.

The invention relates to the technical field of drainage discharge of thermal power plants, and particularly discloses a steam trap capable of automatically adjusting the drainage amount according to the drainage flow and a control method. The steam trap comprises a steam trap shell, a drainage inlet in the steam trap shell, a drainage outlet in the steam trap shell and an adjusting device. The adjusting device is placed in the steam trap shell, the steam trap shell is provided with a space capable of being sealed, and the adjusting device can automatically adjust the drainage amount according to the drainage flow. The control method comprises a water injection step and a hydrophobic step, and further comprises a hydrophobic aperture determination step. The steam trap solves the technical problems that a steam trap cannot continuously drain water, impurities are easy to accumulate at the bottom, and drain water discharge is blocked, and is suitable for the steam trap capable of automatically adjusting the drain water discharge amount after condensation of a steam-gas mixture.

The invention discloses an automatic liquid level adjusting device for a centrifugal vacuum degasser. The automatic liquid level adjusting device comprises a valve body shell, a floating ball, a valve element, an outer exhaust connector, an inner air suction connector and an outer air suction connector. The valve element is arranged in the valve body shell, a plurality of communicating holes are formed in the valve element, and the holes communicating with the outer exhaust connector are long holes so that it can be guaranteed that the outer exhaust connector keeps communicating all the time. The distance between the holes communicated with the inner air suction connector and the outer air suction connector is designed to be that when the inner air suction connector is completely communicated, the outer air suction connector is completely closed, and vice versa. The lower end of the valve element is connected with the floating ball through the connecting rod, the valve element is driven to move up and down under the buoyancy effect of the floating ball, and therefore alternate switching of the inner air suction connector and the outer air suction connector is achieved. By means of the design, the suction rate can be automatically adjusted according to liquid level changes, suck-back or evacuation of the vacuum pump is avoided, automatic and stable control over the liquid level of the centrifugal vacuum degasser is achieved, and the centrifugal vacuum degasser has the advantages of being simple in structure, reliable in operation, high in degassing efficiency and the like.

The utility model discloses a pressure spring valve structure of a pressure cooker, comprising: a float valve assembly comprising a valve seat and a float, the float is arranged on the valve seat, the interior of the float is provided with a mounting cavity along the axial direction, the top of the float is provided with a first through hole, the bottom of the float is provided with a second through hole, and the first through hole and the second through hole are both communicated with the mounting cavity; the spring valve assembly comprises a sealing nail, a spring and an inner sealing ring, the bottom end of the sealing nail is embedded into the second through hole, the sealing nail is sleeved with the inner sealing ring, the inner sealing ring is located between the sealing nail and the second through hole, the top of the sealing nail is sleeved with one end of the spring, and the other end of the spring abuts against the inner top face of the floater mounting cavity. The spring valve structure is arranged in the floater, other parts of the floater valve assembly can be suitable for an existing universal pressure cooker, the application range is wide, a pressure cooker cover does not need to be perforated again, and production cost can be reduced.

The application discloses a water purifier control method and device, electronic equipment and storage medium. The water purifier control method can be applied to the technical field of kitchen equipment. The water purifier comprises a water purifying container and a water inlet end. A float fixing rod is vertically arranged in the water purifying container. A float is sleeved on the float fixing rod. The water inlet end is provided with a booster device and a water inlet valve. The method comprises the following steps: controlling the booster device to enter a working state; controlling the water inlet valve to perform a point injection action, so that the water in the water purifying container shakes to drive the float to shake relative to the float fixing rod; obtaining a vertical distance between the float and the bottom of the water purifying container and a target distance threshold. The target distance threshold indicates the water level in the water purifying container. When the vertical distance does not meet the target distance threshold, the water inlet valve is controlled to perform a point injection action until the vertical distance meets the target distance threshold, and the control of the water inlet valve is ended. The application solves the problems of stability and reliability of the float of the water purifier in long-term use.