Abstract: A WEDM machine tool for machining a disc-shaped porous part, comprises a workbench, a central stand column, a rotary device, a plurality of wire rack assemblies and a wire feeding mechanism comprising a bottom plate, a wire rack arranged on the bottom plate and a radial driving mechanism for driving the wire rack to move in a radial direction on the bottom plate; and the wire rack is a “[”-shaped rack with an opening oriented to the central stand column; and the wire feeding mechanism comprises a first guide wheel assembly arranged on the workbench to guide an electrode wire into and out of a wire winding barrel, second guide wheel assemblies arranged on the radial driving mechanism and the wire rack, a third guide wheel assembly arranged on the central stand column and a fourth guide wheel assembly arranged between two wire rack assemblies.

Abstract: An air release valve and an air pressure driven toilet water tank drain valve are provided. The air release valve includes a valve seat, a sliding block, and a push block. A bottom of the valve seat is provided with an air release channel, one end of the air release channel is an air inlet, and the other end of the air release channel forms an air release nozzle. The sliding block is located above the air release nozzle and is slidably arranged on the valve seat. The air pressure driven toilet water tank drain valve includes a drain valve body, an inner core tube, a limit device, a telescopic airbag, an air pump, the air release valve, a controller and an electronic induction switch. The air release valve with mechanical structure does not require power consumption and has low cost.

Abstract: A capability management method and apparatus, a computer device, and the like relate to permission management of a kernel object in an operating system, for example, permission management of a kernel object in a microkernel architecture. In the method, two types of information are stored in a capability node of a capability owner: information used to indicate that a capability is granting and information used to indicate a granted capability. A capability association relationship between a grantor and a grantee is established by recording the two types of information, so that capability copying is avoided in a capability granting procedure, and capability deletion is avoided in a procedure of rejecting a capability by the grantee, thereby ensuring a deterministic latency while implementing capability revocation and granting. The method may be applied to a smartphone system, an unmanned driving system, or the like.

Abstract: Disclosed is a leak-proof device for a water inlet valve. A control valve is installed in a valve body for opening and closing a water inlet channel and a water outlet channel. An outer water tank and a leak-proof water tank are installed on the valve body. An inner water tank is disposed in the outer water tank, with the height of the inner water tank being lower than that of the outer water tank. The leak-proof water tank is in communication with the inner water tank via a water-passing channel A lever is pivotally connected to the valve body. Two ends of the lever are connected with an outer float and an inner float. The inner float is provided with a plug that is movable to block the water-passing channel. The leak-proof float is connected to the control valve.

Abstract: Disclosed is a water stop valve. A water inlet channel, a water outlet channel, and a water sealing surface are formed in a valve body. A valve stem has a middle portion movably disposed in the valve body and a lower portion mounted in a back-pressure hole of a water-plugging stopper. A back-pressure cavity is formed above the water-plugging stopper. A sealing end surface matching the back-pressure hole is formed on the valve stem. When in use, the valve stem drives the water plugging stopper to move downwards, the sealing end surface blocks the back-pressure hole, and the water plugging stopper blocks the water sealing surface, such that the water enters the back-pressure cavity, and the water pressure enables the water-plugging stopper to block the water sealing surface to stop the water. The water stop valve stops a water inlet valve from feeding in water in a timely manner.

Abstract: Configuration data collection at a device is disclosed, including: detecting, with respect to a device, a data collection event, wherein the data collection event is specified by a configuration file, wherein the configuration file further specifies a set of target data information and a corresponding set of target data information providers from which to collect target data in response to a detection of the data collection event; in response to the detection of the data collection event, collecting the target data based at least in part on the set of target data information and the corresponding set of target data information providers; and controlling the device based at least in part on the collected target data.

Abstract: Disclosed is a leak-proof device for a water inlet valve. A control valve is installed in a valve body for opening and closing a water inlet channel and a water outlet channel An outer water tank and a leak-proof water tank are installed on the valve body. An inner water tank is disposed in the outer water tank, with the height of the inner water tank being lower than that of the outer water tank. The leak-proof water tank is in communication with the inner water tank via a water-passing channel A lever is pivotally connected to the valve body. Two ends of the lever are connected with an outer float and an inner float. The inner float is provided with a plug that is movable to block the water-passing channel. The leak-proof float is connected to the control valve.

Abstract: Disclosed is a water stop valve. A water inlet channel, a water outlet channel, and a water sealing surface are formed in a valve body. A valve stem has a middle portion movably disposed in the valve body and a lower portion mounted in a back-pressure hole of a water-plugging stopper. A back-pressure cavity is formed above the water-plugging stopper. A sealing end surface matching the back-pressure hole is formed on the valve stem. When in use, the valve stem drives the water plugging stopper to move downwards, the sealing end surface blocks the back-pressure hole, and the water plugging stopper blocks the water sealing surface, such that the water enters the back-pressure cavity, and the water pressure enables the water-plugging stopper to block the water sealing surface to stop the water. The water stop valve stops a water inlet valve from feeding in water in a timely manner.

Abstract: Configuration data collection at a device is disclosed, including: detecting, with respect to a device, a data collection event, wherein the data collection event is specified by a configuration file, wherein the configuration file further specifies a set of target data information and a corresponding set of target data information providers from which to collect target data in response to a detection of the data collection event; in response to the detection of the data collection event, collecting the target data based at least in part on the set of target data information and the corresponding set of target data information providers; and controlling the device based at least in part on the collected target data.

Abstract: A major water leak prevention apparatus for a water inlet valve, in which a water receptacle tray is mounted on a water inlet valve body and includes an overflow port. The water receptacle tray has a bottom in which an opening is formed. A counterweight float is mounted on the water inlet valve body and includes a water compartment and a buoyance compartment arranged at a lower end of the water inlet valve body. The bottom opening of the water receptacle tray is connected via a passageway pipe to the counterweight float. The water compartment selectively blocks a lower end opening of the passageway pipe or opens the lower end opening of the passageway pipe. This arrangement helps stop water ingress through the water inlet valve when major water leakage occurs in a water tank.

Abstract: A minor water leak prevention apparatus for a water inlet valve, in which a float is mounted on a regulation bar and received in a water container. The water container is mounted on a siphon tube. The siphon tube is formed with an air aperture. A counterweight buoyance switch is mounted on the water container. The counterweight buoyance switch has a counterweight water compartment having a lower end forming a water drain hole. The counterweight water compartment has an upper end to which a closure pressing plate is mounted. The closure pressing plate is opposite to the air aperture. The counterweight buoyance switch controls opening/closing of the air aperture. This arrangement allows water ingress through a water inlet valve to be stopped when minor water leakage occurs in a water tank.

Abstract: Disclosed is a major water leak prevention apparatus for a water inlet valve, in which a water receptacle tray is mounted on a water inlet valve body and includes an overflow port. The water receptacle tray has a bottom in which an opening is formed. A counterweight float is mounted on the water inlet valve body and includes a water compartment and a buoyance compartment arranged at a lower end of the water inlet valve body. The bottom opening of the water receptacle tray is connected via a passageway pipe to the counterweight float. The water compartment selectively blocks a lower end opening of the passageway pipe or opens the lower end opening of the passageway pipe. This arrangement helps stop water ingress through the water inlet valve when major water leakage occurs in a water tank.

Abstract: Disclosed is a minor water leak prevention apparatus for a water inlet valve. A float is mounted on a regulation bar and received in a water container. The water container is mounted on a siphon tube. The siphon tube is formed with an air aperture. A counterweight buoyance switch is mounted on the water container. The counterweight buoyance switch has a counterweight water compartment having a lower end forming a water drain hole. The counterweight water compartment has an upper end to which a closure pressing plate is mounted. The closure pressing plate is opposite to the air aperture. The counterweight buoyance switch controls opening/closing of the air aperture. This arrangement allows water ingress through a water inlet valve to be stopped when minor water leakage occurs in a water tank.

Abstract: A water inlet valve includes a water sealing piston installed in a water inlet pipe and a top cover. A water storage cylinder is fixed outside the water inlet pipe. A lower water cavity has an upper air vent and a lower water inlet. A siphon is arranged in a water storage cavity and communicated with the lower water cavity. A first magnetic element is arranged on a floater. A small buoy is arranged outside the water storage cylinder to open and close the upper air vent. A gutter is formed on the periphery of the top cover. A lever and an eccentric shaft are arranged outside the water inlet pipe and the top cover. The connecting rod is connected with the lever and the eccentric shaft. The lever is provided with an energy storage spring, a second magnetic element, and a restoring spring.

Abstract: A water inlet valve includes a water sealing piston installed in a water inlet pipe and a top cover. A water storage cylinder is fixed outside the water inlet pipe. A lower water cavity has an upper air vent and a lower water inlet. A siphon is arranged in a water storage cavity and communicated with the lower water cavity. A first magnetic element is arranged on a floater. A small buoy is arranged outside the water storage cylinder to open and close the upper air vent. A gutter is formed on the periphery of the top cover. A lever and an eccentric shaft are arranged outside the water inlet pipe and the top cover. The connecting rod is connected with the lever and the eccentric shaft. The lever is provided with an energy storage spring, a second magnetic element, and a restoring spring.