144048 ⎘
Control, e.g. regulation, of pumps, pumping installations or systems; Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply Lack of liquid level being detected by analysing the parameters of the electric drive, e.g. current or power consumption
WATER PUMP DRY-RUN DETECTION METHOD AND SYSTEM
#2SAFETY CONTROLS FOR ELECTRICAL SUBMERSIBLE PUMP SYSTEMS
#3HYDRAULIC PUMP
#4METHOD OF CONTROLLING A PUMP AND MOTOR
#5Method for Detecting a Fault, in Particular an Impeller Blockage, in a Centrifugal Pump, and Centrifugal Pump
#6Multifunction Pump Controller
#7CONDENSATE PUMP ASSEMBLY & CONTROL METHODS
#8Method of controlling a pump and motor
#9Manual-automatic integrated self-adaptive pump with infrared water level detection function
#10Submersible pump system, information processing device, and computer program
#11Method for detecting a pump or mixer operating in part liquid and part gas
#12System and method for determining operational readiness of a backup hydraulic pump system
#13Pump and method for controlling a pump
#14System and method for determining a use condition for an appliance
#15Method of controlling a pump and motor
#16Pump Controller System and Method
#17Method for identifying if a submersible pump is sucking partly liquid and partly air
#18Multi-pump system with system check
#19Load-sharing in parallel fluid pumps
#20Determining whether process water has been added to a sump of an appliance for washing and rinsing goods during interruption of appliance operation
#21Method of determining whether process water is present in a circulation pump of an appliance for washing and rinsing goods, and appliance and computer program therewith
#22Method of determining circulation state of cooling water
#23Flow control
#24Method of monitoring a fluid level within a fluid volume
#25Current sensing switch for use with pumps
#26Pump controller system and method
#27System and method for determining a use condition for an appliance
#28Wet gas compressor and method
#29Cooling system for vehicle-mounted power control device and method for diagnosing abnormality in cooling system
#30METHOD OF DETERMINING CIRCULATION STATE OF COOLING WATER
#31Pump controller system and method
#32Pump controller system and method
#33Method for controlling a pump arrangement
#34Pump controller system and method
#35Pump controller system and method
#36Pump controller system and method
#37Flow control
#38Apparatus for detecting the fluid condition in a pump
#39Entrapment detection for variable speed pump system using load coefficient
#40Method for determining faults during the operation of a pump unit
#41Pump controller system and method
#42Flow control
#43CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
#44Controller for a motor and a method of controlling the motor
#45Method and apparatus for detecting the fluid condition in a pump
#46SEWAGE PUMP BLOCKAGE DETECTION
#47Pump controller system and method
#48Controller for a motor and a method of controlling the motor
#49CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
#50Controller for a motor and a method of controlling the motor
#51CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
#52Controller for a motor and a method of controlling the motor
#53CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
#54Controller for a motor and a method of controlling the motor
#55Pump controller system and method
#56PUMP SYSTEM
#57Pump controller system and method
#58Method for determining faults during the operation of a pump unit
#59Pump controller system and method
#60Pump controller system and method
#61Pump controller system and method
#62Pump controller system and method
#63Pump controller system and method
#64Pump controller system and method
#65Pump controller system and method
#66Pump controller system and method
#67Pump controller system and method
#68Pump controller system and method
#69Controller for a motor and a method of controlling the motor
#70Controller for a motor and a method of controlling the motor
#71Controller for a motor and a method of controlling the motor
#72Pump controller system and method
#73Electronic control device for a pump
#74Method for diagnosing operating states of a synchronous pump, and device for carrying out said method
#75No water / dead head detection pump protection algorithm
#76Flow control
#77Method and device for regulating a pump
#78Controller for a motor and a method of controlling the motor
#79Controller for a motor and a method of controlling the motor
#80Water pumping and controlling device
#81Pump control system and method
#82Safety controls for electrical submersible pump systems