Patents
Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688)
02/2011
02/03/2011DE102009035518A1 Neutralization, useful for neutralizing condensate from condensing boiler by using neutralizing agent in condensate tank, comprises dosed batchwise discharging of accumulated liquid from a condensate tank, and introducing neutralizing agent
02/02/2011CN201732302U Intelligent linkage device for giving alarm about liquid level of water tank
02/02/2011CN201732301U Water level control device with control signal derived from ground
02/02/2011CN201732300U Safety control device of electrical equipment room
02/02/2011CN201731633U Hot water heating liner
02/02/2011CN201729983U Water level control box of dyeing machine
02/02/2011CN101963814A Coordination control method for buffer slot
02/02/2011CN101962955A Device for controlling engineering precipitation
02/02/2011CN101634863B Control method and device for rotating valve of slice delivering and drying system
02/01/2011CA2496940C Controlling feeding of solid matter
01/2011
01/31/2011CA2702910A1 Level sensors for metering system container
01/26/2011CN201725227U Wireless automatic water supply controller
01/26/2011CN201725226U Automatic warning device for overrun liquid level of liquid storage pit
01/26/2011CN201725225U Noise type water level controller
01/26/2011CN201722173U Automatic water level controlling device
01/26/2011CN101957623A Anti-explosion water level controller with large-power load
01/26/2011CN101957622A Water controller by taking municipal alternating current as test signal
01/26/2011CN101957621A Automatic liquid level relay
01/19/2011CN201716600U Damped rotation type material level controller
01/19/2011CN201716599U Automatic liquid level relay
01/19/2011CN201716598U Optical-pulse liquid-level controller
01/19/2011CN201716075U Dismountable radio frequency admittance probe
01/19/2011CN101950182A Adjustable checkgate for water treatment
01/19/2011CN101551677B Water level automatic control method
01/18/2011US7873443 System, method and program product for targeting and optimal driving force distribution in energy recovery systems
01/13/2011WO2010111450A3 Ultrasonic liquid level monitoring system
01/13/2011US20110005209 Ammonia storage set-point control for selective catalytic reduction applications
01/12/2011CN201707613U Liquid level control system for cast rolling machine
01/12/2011CN201707612U Automatic control device for water pumping of clean water pond
01/12/2011CN201707611U High-emission energy-saving type water level controller
01/12/2011CN101943918A High-precision automatic control system for constant water level
01/12/2011CN101571724B Measurement and control method for intelligent acoustic control of liquid level
01/06/2011US20110004351 Dialysis system including downloaded prescription entry
01/06/2011US20110002810 Method and apparatus for disinfecting and/or deodorizing an article
01/06/2011US20110002791 Pump System for Removing Water from Pool Covers and Sumps
01/05/2011CN201698236U Aluminum liquid level control device and liquid level alarm controller thereof
01/05/2011CN201698235U Level control system and waste water discharge system using same
01/05/2011CN101937239A Electronic water level controller
01/05/2011CN101526821B Intelligent control method for electrolyzed oxidizing water centralized supply system
12/2010
12/30/2010US20100326538 Water recirculation system
12/30/2010CA2708798A1 Switch and float assembly for a pump
12/29/2010CN201689346U Automatic water level controller of fire-fighting impounding reservoir
12/29/2010CN201689345U Buoy pull rope type water tank liquid-level intelligent monitor
12/29/2010CN201688891U Novel material position control switch
12/29/2010CN101930240A Ultrapure water energy-saving control system
12/29/2010CN101930239A State acquisition system
12/29/2010CN101604168B Liquid level control display instrument and using method thereof
12/28/2010US7860615 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities
12/23/2010DE202010009485U1 Vorlageeinrichtung zum Vorlegen einer Flüssigkeit und Dosiervorrichtung für Flüssigkeiten mit einer solchen Vorlageeinrichtung Presentation means for presenting a fluid and metering device for liquids with such a feeding device
12/22/2010CN201681311U Floating ball detecting structure for accumulated water treatment of transformer station
12/22/2010CN201681310U Automatic water level controller for coal mines
12/16/2010US20100318228 Method and Apparatus for Predicting Properties of Granulated Materials and Dosage Forms made Therefrom
12/15/2010CN201672959U Annealing furnace water break alarm device
12/15/2010CN201672105U Water level electronic control device of water vessel of cooking utensil
12/08/2010CN201664210U Water-level controlling base for water dispenser or water boiler
12/08/2010CN101187215B Full-automatic current limiting type negative pressure-free pipe network Pressure-superposed water supply equipment
12/01/2010EP2256575A2 Device for self-actuated closing of an inflow of a container for holding a liquid and separation device
12/01/2010CN201662728U Liquid level controller
12/01/2010CN201662727U Water level monitor device
12/01/2010CN201662726U Tubular ball float water level inductive switch
12/01/2010CN201662725U High-temperature wear-resistant anti-corrosion level controller
12/01/2010CN201662724U Liquid level fuzzy control device of oil refining fractionating tower
12/01/2010CN201662723U Automatic water supply device for water tank
12/01/2010CN201662722U Time liquid level controller
12/01/2010CN201662721U Automatic water level controller
12/01/2010CN101236437B Two polar radio frequency admittance material level switch
11/2010
11/24/2010CN201656949U Photoelectric liquid level switch
11/24/2010CN201654570U Disc material level controller
11/24/2010CN201654569U Digital display water level automatic control alarm instrument
11/24/2010CN201654568U Device for controlling liquid level in magnetic separation tube of magnetic substance tester
11/24/2010CN201654567U Magnetic coupling photoelectric level controller
11/24/2010CN201654566U Radio frequency admittance level controller
11/24/2010CN201650745U Air compressor condensed water drainage device
11/24/2010CN101893903A Novel liquid position control device
11/24/2010CN101890396A Method for performing pressure differential-frequency conversion combination control on liquid level of flotation column
11/24/2010CN101344764B Level automatic measurement and control method of oil-water separation automatic measurement and control device based on combined station free water remover
11/23/2010US7840313 Grid interconnection device, grid interconnection system, and electric power control system
11/17/2010CN201638088U Waste liquid level control system
11/17/2010CN201638087U Liquid-level alarm interlocking device
11/17/2010CN101886713A Faucet capable of controlling opening and closing by ultrasonic wave and opening and closing method thereof
11/17/2010CN101886408A Horizontal initial rainwater drainage device
11/17/2010CN101419470B Self-adjusting liquid level control device
11/17/2010CN101220606B Dual-control intelligent laminating water service system
11/17/2010CN101081454B Automatic protection device for avoid the overflow of tin
11/10/2010CN201628866U Automatic fluid replenishing device with alarm function
11/10/2010CN101881038A Water level controller with overvoltage protection
11/10/2010CN101218883B Case type low pressure high volume pressure regulator
11/09/2010US7831340 Local digital valve controller unit
11/03/2010CN201622475U Pollution-free multifunctional water level controller
11/03/2010CN201622474U Automatic liquid level controller
11/03/2010CN201622467U Automatic regulation and control system of still kettle
11/03/2010CN101876818A Automation control method of production devices of sodium naphthalene sulfonate series products
11/03/2010CN101876182A Intelligent urban sewage drainage method
11/03/2010CN101390497B Simple automatic water-supplying method of chicken-raising automatic water feeding system
11/02/2010US7826908 Variable rate feedforward control based on set point rate of change
10/2010
10/27/2010CN201616030U 风光互补发电自动水控制系统 Wind power generation automatic water control system
10/27/2010CN201616029U 全自动液位控制装置 Automatic level control device
10/27/2010CN201614356U 液封槽液位控制管线 Liquid seal tank level control line
10/27/2010CN101873765A Automatic solution adding system
10/27/2010CN101872201A Water level controller without ionizing and electrolyzing water
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