Patents for F04D 13 - Pumping installations or systems (12,375)
04/2003
04/01/2003CA2285415C Electric motor of a submersible pump
03/2003
03/26/2003EP1296064A1 Device for maintaining overpressure in a liquid-filled container
03/26/2003EP1295035A1 Isolation container for a downhole electric pump
03/26/2003CN2541634Y Impeller structure of double-sucking geothermal pump
03/26/2003CN2541633Y Double-sucking geothermal pump set
03/26/2003CN1405499A Liquid circulating apparatus, stand-by storage tank and cover for the said storage tank
03/25/2003US6538353 Permanent-magnet electric motor for circulation pumps of heating systems
03/20/2003US20030053919 Structure of a vertical-type, acid and base resistance pump
03/20/2003DE20118137U1 Dishwasher water circulation pump has two-pole DC reversible operational speed and is situated in sump so that presence of water controls function
03/19/2003EP1293677A2 Pump for integration in valve housing
03/19/2003EP1292541A1 Pumping arrangement for a household water purifier
03/19/2003CN1403715A Multistage high-lift submerged oil pump
03/13/2003WO2002088547A3 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure
03/13/2003US20030049143 Integrated pump
03/13/2003US20030049138 System and method of multiple-phase pumping
03/13/2003US20030049134 Sump pump monitoring and control system
03/11/2003US6531842 Sine wave variable speed drive
03/06/2003WO2003019015A1 System and method of multiple-phase pumping
03/06/2003WO2002024253A3 Electrically powered surgical irrigator
03/05/2003EP1287260A1 Submersible electrolyte circulation system
03/05/2003CN2538986Y 自动水泵 Automatic Pump
03/05/2003CN2538985Y Pipeline type high-pressure water injection electric pump
03/05/2003CN2538984Y Centrifugal axial-flow dual-purpose pump with changeable shaft length
03/04/2003US6527521 Magnetically driven axial-flow pump
03/04/2003US6527507 Feeding aggregate for fuel
02/2003
02/27/2003WO2003016718A1 Integrated motorized pump
02/27/2003US20030039544 Blood pump
02/27/2003DE20216536U1 Auxiliary device for pumps working on permanent magnet rotation principle has flushing pipe of rigid or flexible design, and starting from pressure side of pump effects forced flushing of internal magnetic rotor chamber
02/26/2003EP1286055A1 Wet rotor pump
02/26/2003EP1284624A2 Inflatable device with recessed fluid controller and modified adjustment device
02/26/2003EP0860046B1 Rotary pump
02/26/2003CN2537840Y Anti-silt rubber bearing for submersible pump
02/25/2003US6524085 Venting arrangement for a surface washer pump
02/25/2003US6524083 Magnetic coupling pump
02/25/2003US6524078 Pond pump with reversing means to prevent rotation in the opposite direction
02/20/2003WO2003014574A1 Floating pump assembly
02/20/2003US20030035740 Wet-type rotor pump
02/20/2003US20030035730 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method
02/19/2003EP1284370A1 Method for delivering variable amounts of flow, and dosing pump using this method
02/19/2003EP1284369A1 Method for delivering variable amounts of flow, and dosing pumping using this method
02/19/2003CN2536815Y Energy-saving emulsifying pump station
02/18/2003US6520745 Performance regulating device for fluid machinery
02/18/2003CA2251322C Magnetically suspended fluid pump and control system
02/13/2003WO2002041484A3 Systems using a levitating, rotating pumping or mixing element and related methods
02/13/2003US20030031559 Turbo-type machines
02/13/2003US20030031553 Water booster methods and apparatus
02/13/2003US20030029393 Internal combustion engine combination with direct camshaft driven coolant pump
02/13/2003US20030029392 Internal combustion engine combination with direct camshaft driven coolant pump
02/12/2003WO2002088547A2 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure
02/12/2003EP1036277B1 Pump arrangement for liquid tanks
02/12/2003CN2535582Y Double-combination pump special for sulfurization machine
02/12/2003CN2535581Y Light-type motor-driven distinguishing pump
02/06/2003US20030028208 Safety lancet assembly
02/05/2003EP1281870A2 Canned pump
02/05/2003EP1281229A2 Permanent-magnet electric motor for circulation pumps of heating systems
02/05/2003CN2534396Y 磁力泵 Magnetic pump
02/05/2003CN1395658A Plant building for installation and method for operating plant building
02/05/2003CN1395047A Casing cover and pump device
02/05/2003CN1100948C Device for controlling noise and vibration from discharge pump
02/04/2003US6515386 Motor construction unit for a submersible pump unit
02/04/2003US6514053 Motor-driven pump with a plurality of impellers
01/2003
01/30/2003US20030021683 Touch down of blood pump impellers
01/29/2003CN2533300Y Centrifugal axial flow pump for various water levels
01/29/2003CN1393667A Water-cooled air conditioner
01/29/2003CN1393605A Remover for sand and soil
01/28/2003US6511298 Electric motor pump with axial-flow impellers
01/23/2003WO2003006088A1 Artificial heart pump equipped with hydrodynamic bearing
01/22/2003EP1277965A2 Centrifugal pump
01/22/2003CN2532292Y Submerged sewage pump with tearing and cutting device
01/22/2003CN2532281Y Volute type submerged mixing pump with sealed subpropeller
01/22/2003CN2532280Y Axial flow type semisubmerged pump
01/22/2003CN2532279Y Flexible axle powered submerged pump
01/21/2003US6508625 Cooling-water pump and method for its production
01/21/2003US6508618 Pump having dynamic shaft seal
01/16/2003WO2003004325A1 Electrically-driven pump for motor vehicle windscreen washers
01/16/2003US20030012648 Pump
01/15/2003EP1275850A2 Adjustable coolant pump for motor vehicles
01/15/2003EP1274943A2 Fuel pump for gas turbines
01/15/2003CN2531141Y Submersible pump
01/15/2003CN2531140Y Pump for semisubmersible well
01/15/2003CN2531139Y Multi-stage ram pump
01/14/2003US6506034 Liquid pump with a claw pole stator
01/09/2003WO2003003545A1 Operation monitor for canned motor
01/08/2003EP1273804A2 Pump casing cover
01/08/2003CN2530073Y Self-scking centrifugal vortex pump of sprinkling car
01/02/2003US20030003002 Casing cover and pump device
01/02/2003US20030002996 Submersible pump and sprinkler system
01/02/2003US20030000113 Gravel-or-the-like removing device
01/02/2003EP1270826A1 Gravel-or-the-like removing device
01/02/2003EP1270575A1 Novel crystal form of pyrrolidylthiocarbapenem derivative
01/02/2003EP1268972A1 Pressure boost pump
01/02/2003EP1267959A2 Ventricular assist system secondary impeller
01/01/2003CN2528978Y Ground driving device for screw oil-well pump
12/2002
12/27/2002WO2002103225A1 Rotary support of pulley for compressor
12/26/2002US20020196988 Support assembly for a motor shaft of a centrifugal submersible pump
12/26/2002US20020195988 Sine wave variable speed drive
12/25/2002CN2528149Y Universal electric machine
12/25/2002CN2527748Y Adjustable multistage thrust axial force bearing device
12/25/2002CN1387611A Tank and centrifugal pump for emptying tank
12/25/2002CN1387452A Installation for fighting fire
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