Abstract: There is provided a float valve. The float valve includes: a frame; a water supply part fixed to the frame and including a water supply nozzle through which water is discharged; a vertical bar fixedly coupled to the frame and extending downwardly below the water supply unit; a float connected to the vertical bar and vertically movable along the vertical bar; a switching unit connected to the float and configured to open or close the water supply nozzle while being moved vertically according to vertical movement of the float; and a water level sensor disposed on the vertical bar to detect a position of the float. Since the water level senor is integrated in the float valve, the inside space of a product using the float valve may be efficiently used, and parts of the product may be simply assembled.

Abstract: For reducing time required for sterilizing a container by hydrogen peroxide, mitigating a cost required therefore, simplifying a sterilizing apparatus, reducing space for installing such apparatus, and mitigating load to the environment, a method for sterilizing a container is provided according to which hydrogen peroxide aqueous solution, air at the normal temperature and hot air are simultaneously injected into a container whereby the hydrogen peroxide aqueous solution which has been turned to minute droplets by the air at the normal temperature is instantly gasified.

Abstract: A valve mechanism for supplying liquid to a container until the surface of the liquid reaches a predetermined level includes a valve body disposable in the container and defining a cavity, an inlet port for communication with a liquid source and an cutlet port communicating with the interior of the container. A valve seat is provided in the cavity adjacent to the outlet port, and a valve member in the shape of a ball is disposed within the cavity and moveable between a normal closed condition and an open condition relative to the valve seat for respectively closing and opening the outlet port. A guide tube depends from the valve body in communication with the outlet port and has a float coupled to it. A valve actuator includes a base seated in the container and a rod extending upwardly therefrom into the guide tube. The actuator rod is engageable with the valve member for holding the valve member in its open condition when the surface of the liquid in the container is below the predetermined level.

Abstract: The present invention relates to a fluid reservoir, chiefly a reservoir whose purpose is to constitute a buffer, wherein the liquid level varies substantially comprising an inlet conduit (1) for liquid, an outlet conduit (2) for liquid, reservoir walls (3), a reservoir bottom (4) and a liquid outflow arrangement (5) located inside the said reservoir, which is connected to the said inlet conduit (2), the said outflow arrangement (5) comprising means (6) to ensure that its opening (7) follows the surface of the liquid (8) in the said reservoir (3, 4), the opening (7) preferably being located so that it discharges on a level with or immediately below the said liquid surface, which significantly reduces the risk that gas is included in the liquid flowing out via the outlet conduit.

Abstract: The method relates to a method and a device for controlling the flow of a liquid. In a well (10) having at least one inlet (11) and one outlet (12) the areas of said inlet (11) is adjusted in dependence on the liquid level in said well (10) by a floating body (13) controlled by said level. Said well is provided with an inlet tube (15) ended by said inlet (11), and at least one outlet (12), a floating body (13) arranged movable in a vertical direction in said well (10), and a slide (14) arranged in said well (10) in front of said outlet (12), said inlet tube (15) and said slide (14) being movable in relation to each other in dependence of a movement of said floating body (13) so as to close adjustably by said slide said inlet (11) of said inlet tube (15).

Abstract: A water level control apparatus for controlling the water level in swimming pools, and the like, has a water nozzle having a hose connector on one end and a water outlet on the other end. A valve is formed in the water nozzle for blocking the flow of water therethrough until the nozzle is bent by a predetermined distance. The water nozzle forms a portion of the valve formed therein. A weighted float is connected to the water nozzle and has a predetermined mass for applying a gravitational force to the water nozzle sufficient to actuate the valve formed in the nozzle to allow the flow of water therethrough. The weighted float also has a predetermined floatation to reduce the gravitational force applied to the nozzle when immersed in water to a predetermined level to thereby close the valve and stop the flow of water therethrough. The weighted float can be connected to the water nozzle with a flexible cord.

Abstract: A float controlled valve comprises a chamber with aligned openings, a detachable cap carrying a sealing washer on one opening and a tube arranged to move under the action of the float in the second opening with a seal ring sealing it. The sealing ring is located in position by means of a detachable holding element accessible when the cap is off. Thus the sealing washer and the sealing ring may be replaced after the removal of the cap.

Abstract: An auxiliary float chamber is provided for use in a cistern. A float operating in the chamber controls a valve allowing water into the cistern. In the floor of the chamber there is a syphonic tube. The chamber is held to the cistern wall by means of the valve which is of the type comprising a sliding tube sealing against a washer in a sealing cap so that the seal is not against the pressure of the inlet water. The auxiliary float chamber is mounted below the normal level of liquid in the cistern. As the cistern is discharged, the valve remains closed until water has drained from the auxiliary chamber. Water flowing into the cistern is thus not short-circuited through the discharge.

Abstract: A liquid level control valve including a cylinder member formed with a passage between an inlet and an outlet; a piston member slidable within the cylinder member, the piston and cylinder members being movable with respect to each other between a position in which the piston obturates the passage through the cylinder and a position in which the passage is open; a lever arm pivoted about an axis on one of the members and connectable to a float so that it is movable in response to the movement of the float on a body of liquid the level of which is to be controlled; and a linkage pivotally connected between the other member and the lever arm at a position on the lever arm spaced from the first mentioned pivot axis.