Patents
Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688)
11/2012
11/14/2012EP2522823A1 Device for measuring an amount of a reducing agent, preferably NH3, contained in a tank.
11/14/2012CN202533814U Liquid level automatic control device of electronic foil production line formation groove
11/14/2012CN202533813U Liquid level detection and control device applicable to electrically conductive solution
11/14/2012CN202533812U A liquid level control system of a container
11/14/2012CN102778902A Double-stability automatic water injection control mechanism
11/14/2012CN102771372A Soilless culture device with water level controller
11/14/2012CN102771371A Solar soilless culture system with optical control water level controller
11/14/2012CN102771370A Solar energy soilless culture system with water level controller
11/14/2012CN102771369A Soilless culture system with water level controller
11/14/2012CN102771368A Soilless culture system with water level controller
11/14/2012CN102771367A Novel soilless culture device with water level controller
11/14/2012CN102771366A Novel soilless culture device with water level controller
11/14/2012CN102771365A Soilless culture device with water level controller
11/14/2012CN102771364A Soilless culture device with optical water level controller
11/13/2012US8311679 Matrix converters for wind energy conversion systems
11/13/2012US8309021 Corrosion management systems for controlling, eliminating and/or managing corrosion
11/08/2012US20120282143 Methods and systems for pharmaceutical compounding
11/07/2012CN202522937U Distilled water level controller
11/07/2012CN202522936U Liquid level controller for water for injection
11/07/2012CN202522935U Intelligent integrated control system of direct water dispenser
11/07/2012CN202522934U Automatic control device for drainage of transformer station
11/07/2012CN202522933U Automatic alarm liquid filling device
11/07/2012CN202522932U Automatic liquid level control device for filling line of sugar water-orange slice can
11/07/2012CN202514383U Automatic control soilless culture system
11/07/2012CN102770821A Warm water reservoir having a device for determining the warm water fill level of the warm water reservoir
11/07/2012CN102433913B Intelligent control system for fire-fighting water storage and supply in transformer substation and control method
11/06/2012US8307225 Method and apparatus for actively managing consumption of electric power supplied by one or more electric utilities
10/2012
10/31/2012CN202512452U Automatic control device for water level of water tower
10/31/2012CN202512451U Intelligent water level monitoring device
10/31/2012CN202512450U Boiler water level measuring and controlling device
10/31/2012CN202512449U Agricultural automatic water supply device
10/31/2012CN202512448U Liquid level automatic controller based on contactor
10/31/2012CN102759930A Level control device
10/31/2012CN102754609A Intelligent and precise control method for chicken feeding system
10/30/2012US8301312 Fault situation processing arrangement of a load distribution system of a local electric power transmission network
10/24/2012CN102004502B Liquid level control system and control method of Intermediate tank in glutinous rice wine production
10/23/2012US8295990 Low cost and flexible energy management system with a scheduling capability
10/23/2012US8295988 Generating apparatus and control method thereof
10/23/2012US8291720 Sequencing of variable speed compressors in a chilled liquid cooling system for improved energy efficiency
10/18/2012WO2012141812A1 Event monitoring and detection in liquid level monitoring system
10/18/2012US20120265351 Switch control system
10/17/2012EP2511997A2 Method and apparatus for control of an electric power system in response to circuit abnormalities
10/17/2012CN202494935U Device for controlling liquid level
10/17/2012CN102736640A System and method for controlling water level of deaerator
10/17/2012CN102736639A Slurry making device and control method thereof
10/16/2012CA2503583C Method and apparatus for control of an electric power system in response to circuit abnormalities
10/10/2012CN202488365U Power supply suitable for remotely transmitting liquid level signal to water pump control device
10/10/2012CN202486632U Negative temperature coefficient (NTC) thermistor temperature sensor with liquid level control function and temperature monitoring function
10/10/2012CN202486631U Water-floating-type liquid-level-control acid/alkali-resistant untransparent tank
10/10/2012CN202486630U Device for automatically detecting and controlling liquid level in steam processor liquid box
10/10/2012CN202486629U Water level control pipe for breeding seed-cultivating pool
10/10/2012CN202485758U Magnetic liquid level meter with automatic adjusting device
10/10/2012CN102722187A Android-technology-based foundation pit water accumulation control system
10/10/2012CN102191758B Method and system for automatically controlling water level of inverted siphon in open channel
10/03/2012CN202472444U Automatic control device of trough liquid level
10/03/2012CN202472443U Automatic liquid level control device
10/03/2012CN202472442U Cooling-medium liquid level control system in evaporation-cooling sealing cavity body
10/03/2012CN202472441U Control system for discharging sewage to sea
10/03/2012CN202472440U Combustion furnace material level control apparatus
10/03/2012CN202472439U Automatic control system of CDQ of CDQ boiler
10/03/2012CN202472438U Water level stepless regulating device
10/03/2012CN202472437U Water level control device and cooling fan installed with same
10/03/2012CN202472436U Special-purpose water level automatic controller for aquaculture
10/03/2012CN202465452U Sewage treatment system
10/03/2012CN102707739A Working state control system and control method for pumping oil supply simulation chamber
10/03/2012CN102707738A Liquid level detection and maintaining system
10/03/2012CN102147624B Water level controller with two detecting lines
10/02/2012US8280556 Energy management of HVAC system
09/2012
09/27/2012DE102012004274A1 Method for filling fluid, particularly paint in roller into printing unit of printing machine, involves supplying fluid to dosing device from storage tank with pump, and collecting surplus fluid in tub below dosing device
09/27/2012DE102011014888A1 Vorrichtung und Verfahren zur Steuerung/Regelung eines Füllstandsniveaus Apparatus and method for controlling / regulating a filling level
09/26/2012EP2503425A2 Method and device for controlling/regulating a fill level
09/26/2012CN202453746U Automatic oil level regulating system of transformer
09/26/2012CN202453745U Liquid level control device based on pointer type dial automatic identification
09/26/2012CN202453744U Liquid unloading linkage device
09/26/2012CN102692931A Monitoring system and monitoring method for liquid level of fire-fighting high-altitude water tank for tunnel
09/26/2012CN102689502A Method used for applying fluid on roller of printing device of printer
09/26/2012CN102183241B Automatic level gauge and leveling method thereof
09/26/2012CN101957621B Automatic liquid level relay
09/25/2012US8275489 Systems and methods for deployment of wind turbines
09/20/2012WO2012122897A1 Automatic liquid level control device for magnesium electrolytic cell
09/20/2012DE102011014311A1 Introducing a process gas into a process space of a process chamber, by warming a process chamber, a substrate received in the process chamber and/or a process chamber-heating device, and heating inlet tube over the process chamber
09/19/2012CN202443338U Long-distance digital display liquid level controllable and visual dual-purpose instrument
09/19/2012CN202443337U Controller matched with long-distance digital display dual-purpose instrument
09/19/2012CN202443336U Simple water meter
09/19/2012CN102681557A Integrated control device and control method for hydraulic system
09/19/2012CN102681556A Liquid level control method of steel slag desulfurization agent storage tank
09/19/2012CN102680663A Water level automatic control system of landslide physical model test
09/19/2012CN102674581A Tail water treatment device for community water vending machine
09/18/2012US8271145 Handy terminal for wind turbine generator and wind turbine generator
09/12/2012CN202433782U Mucilage level control system
09/12/2012CN202433707U Automatic control system for knockout mode of buffer tank
09/12/2012CN102662414A Mini-type ultrasonic liquid level controller
09/12/2012CN102662413A Slurry level control method used in composite heat insulation wall material production
09/12/2012CN102662412A Method for controlling liquid level of four-hold water tank based on phase plane method
09/12/2012CN102657106A Automatic watering device for poultry livestock
09/07/2012WO2012118253A1 Water level control apparatus
09/05/2012CN202421908U Liquid level controller
09/05/2012CN202421907U Underground water level long-distance monitoring station
09/05/2012CN202421906U Blast furnace alternating-current probe rod control device
09/05/2012CN202421905U Network intelligent control device for coal preparation constant liquid levels
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