Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems
Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967)
05/2014
05/01/2014WO2014063722A1 Automatic cleaning method for a pump system comprising a softstarter arrangement
05/01/2014US20140119953 Method for controlling at least a part of a pump station
04/2014
04/30/2014EP2725234A1 Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method
04/30/2014CN203574581U Water pump applied to fountain and wave generating device
04/30/2014CN203570612U Automatic start and stop control device for evacuation of submerged pump
04/30/2014CN203570611U Blowdown submersible pump capable of detecting sealing state
04/30/2014CN203570610U Start and stop device for submerged cutting electric pump
04/30/2014CN203570609U Novel high-efficiency and no-blocking fixed type sewage-discharging submerged pump
04/30/2014CN203570604U 可调式叶片泵 Adjustable vane pump
04/30/2014CN103764968A Switchable automotive coolant pump
04/30/2014CN103758763A Pressure-variable water pump and application thereof
04/24/2014WO2014060343A1 High efficiency low specific speed centrifugal pump
04/24/2014WO2014060041A1 Mechanical coolant pump
04/24/2014US20140112801 Motor driving device and vacuum pump
04/23/2014EP2721303A1 Method for controlling at least a part of a pump station
04/23/2014EP2721302A2 Method for controlling a pump
04/23/2014CN203560109U Condensation pump
04/23/2014CN203560108U Submersible pump
04/23/2014CN203559861U Well cementing additive adding device
04/23/2014CN103742426A Blowdown submerged pump for detecting sealing state
04/23/2014CN103742425A Energy conservation correcting method for water circulation system
04/23/2014CN103742424A Impeller front clearance control device for centrifugal pump
04/17/2014DE102012218930A1 Controllable coolant pump for internal combustion engine of liaison vehicle, has guide carriage that is connected with electrical operated position element over connector and is provided with seals for sealing connector
04/16/2014CN203548326U Scale pump
04/16/2014CN203548255U Submerged pump protection control device
04/16/2014CN203548246U Non-negative pressure water pump with filter unit
04/16/2014CN203548244U Highly-efficient fully-automatic photovoltaic water pump system
04/16/2014CN203548242U Self-control type gas-liquid mixed sucking device of self-sucking pump
04/15/2014US8696308 Turbomachine
04/10/2014WO2014054554A1 Water supply device
04/10/2014US20140097770 Motor driving apparatus with rotational speed limitation function and fan apparatus with rotational speed limitation function
04/09/2014CN203532332U Inlet device for cross-section PIV flow field measurement of impeller inlet of axial flow pump
04/09/2014CN103711711A Safe type double-shaft variable-speed water pump
04/09/2014CN103711710A Clearance adjustment method for aero DC (Direct Current) electropump
04/09/2014CN103711709A Energy-saving pump utilizing low-voltage variable-frequency governor instead of high-voltage variable-frequency governor
04/09/2014CN101925706B Water supply
04/03/2014WO2014050195A1 Control device
04/03/2014US20140093394 Anti-Entrapment and Anti-Dead Head Function
04/03/2014US20140093393 Control device for electric water pump
04/02/2014EP2712411A1 Control device and pump apparatus
04/02/2014CN203516201U Improved circulating pump
04/02/2014CN203516134U Pressure switch preventing water pump from sticking
04/02/2014CN203516123U Electric speed regulation no-leakage barrel plugging pump
04/02/2014CN103696978A Function conversion device for strong self-priming pump
04/01/2014US8684700 Method and apparatus for waste water level indication
03/2014
03/27/2014US20140086765 Apparatus For Monitoring An Electrical Submersible Pump
03/26/2014CN203500055U Magnetic force safe submersible pump
03/26/2014CN203500054U Centrifugal pump
03/26/2014CN203500053U Vortex pump
03/26/2014CN203500052U Vortex pump
03/26/2014CN203500051U Floating ball control structure of three-phase submersible electric pump
03/26/2014CN203500050U Unmanned monitoring automatic pumping device of small submersible pump
03/26/2014CN103688450A Pumping device
03/26/2014CN103688061A Controllable coolant pump
03/26/2014CN103687436A Coolant supply unit, cooling unit, and electronic device
03/26/2014CN103671136A Sewage lift pump test bed
03/26/2014CN103671134A Non-blockage fixed blowdown submersible pump
03/20/2014WO2014040627A1 Device and method for operating parallel centrifugal pumps
03/20/2014US20140079564 Systems and method for wirelessly communicating with electric motors
03/20/2014DE102012020618B3 Anordnung einer Kühlmittelpumpe Arrangement of a coolant pump
03/19/2014EP2707602A1 Controllable coolant pump
03/19/2014CN203488390U Infrared sensing type spraying station
03/19/2014CN203488388U Submersible pump wireless remote control device with water level detection function
03/19/2014CN102562613B Energy-saving electric pump and working method thereof
03/13/2014DE102012108358A1 Pumpe mit Trockenlaufschutz Pump with dry running protection
03/12/2014EP2706236A2 Pump with dry running protection
03/12/2014CN203476726U Efficient and energy-saving water pump
03/12/2014CN103629143A Water pump structure
03/12/2014CN103629122A Detection platform realizing active control on vibration frequency of internal cavitation of centrifugal pump
03/12/2014CN103629121A Dynamic axial force testing device for impeller of centrifugal pump
03/12/2014CN103629120A Dynamics performance determination method applicable to smooth choma of multistage centrifugal pump
03/11/2014CA2713745C Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly
03/06/2014WO2014033317A1 Side-channel pump, and method for operating a side-channel pump
03/06/2014US20140064985 Priming Protection
03/06/2014DE102010026414B4 Magnetantriebs-Pumpe mit nicht-intrusivem Dampfdetektor Magnetic drive pump with non-intrusive vapor detector
03/05/2014CN203463304U Solar water heater water-saving pump with function of water level detection
03/05/2014CN203463303U Submersible pump
03/05/2014CN203463302U Novel submersible pump
03/05/2014CN203463301U Pressure control device for submersible pump
03/05/2014CN203463300U Submerged pump and high-speed in-tube pump employing submerged pump
03/05/2014CN103615477A Centrifugal electromagnetic clutch and water pump with centrifugal electromagnetic clutch
03/05/2014CN103615404A Engine water pump
02/2014
02/26/2014EP2699802A1 System and method for evaluating the performance of a pump
02/26/2014CN203453077U Protection system for magnetic force driving pump
02/26/2014CN203453076U 水泵自动控制器 Pump automatic controller
02/26/2014CN203453072U Direct current portable centrifugal self-priming pump specially used for agricultural irrigation
02/26/2014CN203453034U One-key starting control device of power pump truck
02/26/2014CN103608592A Method for automatic mutual alternation between pumps
02/26/2014CN103603815A Condensation pump
02/26/2014CN103603814A Main variable-frequency oil-submerged pump with intelligent frequency conversion device
02/20/2014US20140050562 Rotary pump exhibiting an adjustable delivery volume, in particular for adjusting a coolant pump
02/20/2014DE102012214503A1 Rotationspumpe mit verstellbarem Fördervolumen, insbesondere zum Verstellen einer Kühlmittelpumpe A rotary pump with variable displacement, in particular for adjusting a coolant pump
02/19/2014CN203441779U Main transformer oil-submerged pump with intelligent variable-frequency device
02/19/2014CN203441778U Power line carrier monitor and control device for automatically starting and stopping water pump used for mining
02/19/2014CN203441777U Intelligent and highly efficient pipeline pump
02/19/2014CN203441776U Novel EC water pump
02/19/2014CN203441765U Pneumatic water pump with self-control device
02/19/2014CN103597216A Adjustable centrifugal governor speed control
02/19/2014CN103597212A Infinitely adjustable coolant pump
02/19/2014CN103591032A Method and device for monitoring flow instability degree of vane pump
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