Class / Patent application number | Description | Number of patent applications / Date published |
137391000 | Control of both inflow and outflow of tank | 6 |
20100037963 | PROCESS-LIQUID SUPPLY MECHANISM AND PROCESS-LIQUID SUPPLY METHOD - A process-liquid supply part includes: a supply tank configured to contain a process liquid; a level gauge pipe connected to the supply tank, the level gauge pipe being provided with level sensors for detecting a remaining amount of the process liquid contained in the supply tank; and a measuring part configured to measure a remaining amount of the process liquid based on signals from the level sensors provided on the level gauge pipe. Connected to the supply tank are a process-liquid supply pipe configured to drain the process liquid contained in the supply tank, and a process-liquid return pipe configured to introduce the process liquid drained through the process-liquid supply pipe to the supply tank. A connection pipe, in which an openable and closable valve is provided, disposed between the process-liquid supply pipe or the process-liquid return pipe and the level gauge pipe. | 02-18-2010 |
20120097267 | WATER SUPPLY CONTROL DEVICE AND METHOD - A water supply control method for a water tower connected to a server through a high water level sensor and a low water level sensor installed on the water tower. A solar panel is controlled to supply power to a motor of the water tower during off-peak hours and a current water level in the water tower has reached a lowest water level but has not reached a highest water level. An alternating current power supply is controlled to supply power to the motor during off-peak hours and the current water level in the water tower has not reached the lowest water level, or during peak hours and the current water level in the water tower has not reached the highest water level. | 04-26-2012 |
20130228237 | Valve Assembly - A valve assembly able to be mounted with a liquid container, the valve assembly comprising: a housing having a passageway that extends through the housing; a breather float valve mounted within the housing, the breather float valve movable between an open position to allow gas to pass through the passageway and a closed position that prevents liquid from passing through the passageway; a liquid inlet, forming part of the housing, the liquid inlet allowing fluid to pass into the housing; and an inlet float valve mounted within the housing, the inlet float valve movable between an open position that permits the flow of liquid through the liquid inlet and a closed position that prevents the flow of fluid through the liquid inlet. | 09-05-2013 |
20140290757 | DOUBLE ACTION FLOAT VALVE - The double action float valve is connected to a single pipe and a tank and controls both the filling and discharge of the tank. The double action float valve utilizes a valve body, an obturator positioned within the valve body, a unidirectional device, and a float connected to the obturator. When the inflow pressure from the pipe is greater than the outflow pressure of the tank, the tank is filled until the float reaches a predetermined level. When the outflow pressure of the tank is greater than the inflow pressure, the double action float valve is automatically reconfigured to discharge the fluid from the tank into the pipe. | 10-02-2014 |
20150034176 | PIECE OF CONTINUOUS OPERATING CYCLE SLUDGE TRANSFER EQUIPMENT - Piece of continuous operating cycle sludge transfer equipment, which consists of two deposits (D | 02-05-2015 |
20150083239 | DOUBLE ACTION FLOAT VALVE - The double action float valve is connected to a single pipe and a tank and controls both the filling and discharge of the tank. The double action float valve utilizes a valve body, a heavy filling obturator positioned within the valve body, a light inverse obturator positioned within the heavy filling obturator, and a float connected to the heavy filling obturator. When the inflow pressure from the pipe is greater than the outflow pressure of the tank, the tank is filled until the float reaches a predetermined level. When the outflow pressure of the tank is greater than the inflow pressure, the double action float valve is automatically reconfigured to discharge the fluid from the tank into the pipe. | 03-26-2015 |