Patents for F04D 13 - Pumping installations or systems (12,375)
04/2005
04/28/2005WO2005038261A1 Integral contractors box for a submersible turbine pump
04/28/2005US20050089422 Magnetically levitated pump utilizing magnetic bearings
04/28/2005US20050087343 Motor Protector
04/27/2005EP1526286A2 Magnetically levitated pump utilizing magnetic bearings
04/27/2005EP1526284A2 Electrical driving apparatus
04/27/2005CN2695694Y Horizontal flame-proof submersible electric pump for mine
04/27/2005CN2695686Y Coaxial line reduction box for screw pump
04/27/2005CN1609453A Automatic rotating electric water pump according to correct direction
04/27/2005CN1199010C Magnet pump
04/26/2005US6884043 Fluid circulation path for motor pump
04/26/2005US6883604 Shaft locking couplings for submersible pump assemblies
04/21/2005WO2005035433A1 Siphon system for a submersible turbine pump that pumps fuel from an underground storage tank
04/21/2005WO2005021963A3 Pond pump having a controllable suction volume
04/21/2005US20050084401 Quick-release pump module
04/20/2005EP1524760A1 Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor
04/20/2005CN2694002Y DC submersible sprayer water pump
04/20/2005CN2693998Y Water pump for motorcycle engine
04/20/2005CN2693997Y Water pump starting mechanism for motorcycle engine
04/20/2005CN2693996Y Pump casing of pipeline booster pump
04/20/2005CN1198056C 管线泵 Pipeline Pump
04/19/2005US6881033 Impeller
04/14/2005US20050079076 Spring loaded submersible turbine pump
04/14/2005US20050079075 Integral contractors box for a submersible turbine pump
04/14/2005US20050076957 Siphon system for a submersible turbine pump that pumps fuel from an underground storage tank
04/13/2005EP1522737A2 Apparatus for controlling noise and vibration for drain pump
04/13/2005EP1521904A1 Device for driving a coolant pump
04/13/2005EP1019116B1 A rotary pump with hydrodynamically suspended impeller
04/13/2005CN2692383Y Multifunction oil tank for electric oil pump
04/13/2005CN1196866C Hydraulic seal for rotary pumps
04/07/2005US20050074341 High-speed fluidic device
04/07/2005DE10342050A1 Elektrische Maschine und diese verwendende Pumpe Electrical machine and use this pump
04/06/2005CN2690640Y Water pump flange assembling mold frame
04/06/2005CN2690631Y Controllable intermittent pump pressure device
04/06/2005CN2690630Y Antisubmarine submersible pump
04/01/2005CA2749586A1 System and method for a combined submersible motor and protector
03/2005
03/31/2005WO2005028901A1 Auxiliary unit drive for a vehicle engine, comprising a couplable and uncouplable pulley, and auxiliary unit
03/31/2005WO2005028873A1 Vehicle engine's driving force transfer method to outside equipment
03/31/2005WO2005019655A3 Electronic control device for a synchronous pump
03/31/2005WO2004110598A3 Pump having an additional fluid supply
03/31/2005US20050069434 Submerged pump having a bearing lubricated by discharged fluid
03/30/2005EP1519053A2 A submerged pump having a bearing lubricated by discharged fluid
03/30/2005EP1012477B1 Bearing and seal-free blood pump
03/30/2005CN2688940Y Submersible pumps
03/30/2005CN1602387A Downhole well pump
03/24/2005WO2005027312A1 Electric machine and pump which uses said electric machine
03/24/2005US20050063843 Submersible pump
03/24/2005DE10240800B4 Pumpe für chemisch aggressive Fördermedien Pump for chemically aggressive fluids
03/23/2005CN2687392Y Back-flushing submersible sewage pump
03/23/2005CN2687390Y Convenient-dismounting multi-stage centrifugal pump
03/23/2005CN2687386Y Water-air sludge submersible pump
03/23/2005CN2687383Y Natural pressure full-oil-immersed submersible pump
03/23/2005CN2687382Y Discharging amount reduction and vacuum auto-protection device for submersible pump
03/23/2005CN2687378Y Automatic back-flushing sewage submersible pump
03/23/2005CN1598326A Deep well pump design method
03/23/2005CN1598324A Whole sealing oil pump for transformer
03/22/2005CA2194257C Recirculation pumping system for installation below the perforations in a cased well bore
03/17/2005US20050058555 Variable input speed to water pump
03/17/2005DE19900378B4 Tanksystem Tank system
03/16/2005CN2685616Y Back shell structure of magnetic pump
03/16/2005CN2685612Y Straightway micro-water pump
03/16/2005CN2685611Y 泵 Pump
03/16/2005CN2685609Y 电磁泵 Electromagnetic pump
03/16/2005CN2685589Y Apparatus for accomplishing pumping and irrigation by motorcycle
03/16/2005CN1594893A Horizontal flame-proof type electric diving pump for mining
03/16/2005CN1594887A Water self-priming apparatus for water pumps
03/16/2005CN1594886A Electric and fuel double groove impeller pump
03/16/2005CN1193170C Electric pump with several impellers
03/10/2005WO2005021963A2 Pond pump having a controllable suction volume
03/10/2005US20050053499 Support post system for molten metal pump
03/10/2005US20050053477 Mobile pump
03/10/2005CA2537039A1 Pond pump having a controllable suction volume
03/09/2005CN2683906Y Easily assembled-disassembled horizontal inline pump installation construction
03/09/2005CN1192170C Liquid tank containing centrifugal pump
03/09/2005CN1192030C Novel crystal of pyrrolidylthiocarbapenem derivative
03/09/2005CN1191777C Inflatable device and inflatable system
03/08/2005US6863504 Fluid pump relief valve
03/08/2005US6863035 Internal combustion engine combination with direct camshaft driven coolant pump
03/03/2005WO2005019655A2 Electronic control device for a synchronous pump
03/03/2005US20050047944 Surface driven well pump
03/03/2005US20050047933 Low-noise pump cooled by the pumped water
03/03/2005US20050047872 Deepwell reel
03/03/2005DE19907561B4 Elektrisch betriebene Pumpenvorrichtung mit verbesserter Luftkanalkonstuktion Electrically operated pump device with improved Luftkanalkonstuktion
03/02/2005CN2682228Y Submersible pump
03/02/2005CN1191424C Magnetic pump driving unit in engine for vehicle
03/01/2005US6861778 System for passive and stable suspension of a rotor in rotor/stator assemblies
03/01/2005US6861777 Motor pump with balanced motor rotor
02/2005
02/26/2005CA2478733A1 Surface driven well pump
02/24/2005WO2005017362A1 Turbomachine comprising a magnetic coupling drive
02/24/2005US20050042119 Structural improvement for canned motor-pump
02/23/2005CN2680902Y 无线直流水泵 Wireless DC pump
02/23/2005CN2680875Y Running water cooling device of water pump
02/22/2005US6857472 Well pump device
02/17/2005WO2005015024A1 Galvanic corrosion protection apparatus for a pump
02/17/2005WO2005015023A1 Pump comprising an integrated engine
02/17/2005US20050036895 Canned motor and pump
02/17/2005DE202004019338U1 Behälterpumpe Submersible pump
02/17/2005DE102004032936A1 Kraftstoffpumpe und Verfahren zur Herstellung eines Ankers für die Kraftstoffpumpe Fuel pump and method of manufacturing an armature for the fuel pump
02/16/2005CN2679406Y Motorcycle
02/16/2005CN2679403Y Integrated mechanical sealing device
02/16/2005CN2679384Y Water pump for delivery of water from lower position to higher position by natural force
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