Patents for F04D 3 - Axial-flow pumps (1,557)
10/2001
10/18/2001DE10017145A1 Pump for transporting mortar material has second complementary connecting element connected to cable leading to remote control unit with second on/off switch, speed setting element
10/17/2001EP0914171B1 Magnetically suspended miniature fluid pump and method of making the same
10/17/2001CN2454568Y Combined screw pump
10/11/2001WO2001074419A1 Paracardial blood pump
10/10/2001CN2453166Y Single screw stemp pump
10/10/2001CN2453165Y Oil prodn. machine with hydraulic transmission screw stem pump
10/10/2001CN1317075A Rotation device
10/04/2001DE10016422A1 Parakardiale Blutpumpe Para Cardiac blood pump
10/03/2001CN2451769Y Multi-spiral screw pump
09/2001
09/19/2001CN2448956Y All metal screw bolt pump
09/16/2001CA2301427A1 Melt withdrawal device for melt furnaces for charging casting machines
09/13/2001WO2001066170A1 Blood pump
09/11/2001US6287326 Catheter with coiled multi-lumen heat transfer extension
09/05/2001EP1130266A1 Device for supplying molten metal to casting installations
09/05/2001CN2446308Y Ceramic screw pump
09/05/2001CN1070583C 回转泵 Rotary pump
09/04/2001US6283275 Screw and apparatus using same for conveying wet solids
08/2001
08/23/2001WO2001061151A1 Equipment with mutually interacting spiral teeth
08/22/2001EP1126176A2 Motor driven double suction pump
08/16/2001US20010014290 Motor-driven pump with a plurality of impellers
08/16/2001EP1124062A2 Electric motor pump with axial-flow impellers
08/15/2001CN1308190A Electric pump with axial-flow impeller
08/15/2001CN1308189A Electric pump with several impeller
08/09/2001US20010012487 Electric motor pump with axial-flow impellers
08/08/2001EP1122441A2 Inline pump
08/08/2001CN2442003Y Blade type gas/liquid/solid multiple phase mixed transport pump
08/01/2001EP1120570A2 Magnetically driven axial-flow pump
07/2001
07/26/2001US20010009645 Magnetically driven axial-flow pump
07/19/2001WO2001002724A8 Blood pump having a magnetically suspended rotor
07/11/2001EP1114648A2 Fluid pump
07/03/2001US6254359 Method for providing a jewel bearing for supporting a pump rotor shaft
06/2001
06/27/2001CN2436694Y Dropping in and taking off type electric oil submerged screw bolt pump
06/27/2001CN2436693Y Electric oil submerged screw bolt pump
06/26/2001US6250880 Rotary pump with exclusively hydrodynamically suspended impeller
06/19/2001US6247892 Continuous flow rotary pump
06/13/2001EP1105646A1 Bladeless pump
06/13/2001DE10002092A1 Electric drive e.g. for ship propeller, has inside rotor connected with first impeller and outer rotor concentric with it connected with second impeller
06/12/2001US6244835 Blood pump having a magnetically suspended rotor
06/06/2001EP0819330B1 Rotary machine with an electromagnetic rotary drive
05/2001
05/31/2001US20010002234 Rotary pump with exclusively hydrodynamically suspended impeller
05/30/2001EP1103724A2 Axial-pump for conveying molten metals
05/30/2001EP1102936A1 Rotation device
05/30/2001CN2432358Y Polymer injection screw pump
05/23/2001EP1101946A2 Crossing spiral compressor/pump
05/19/2001CA2317855A1 Crossing spiral compressor/pump
05/09/2001EP1097305A1 Screw pump
04/2001
04/19/2001DE19944863A1 Device for careful delivery of single- or multiphase fluids incorporates tubular cavity to guide fluids and electric motor's rotor acting as rotating delivery device with axial alignment mounted inside tubular cavity
04/18/2001CN2426926Y 马达 Motor
04/11/2001CN2426530Y Submersible screw pump
03/2001
03/28/2001CN2425215Y Multi-stage axial-flow pump
03/27/2001US6208512 Contactless hermetic pump
03/22/2001WO2001009486B1 Ribbon drive power generation apparatus and method
02/2001
02/20/2001US6190141 Centrifugal pump with diluent injection ports
02/08/2001WO2001009516A1 Ribbon drive propulsion system and method
02/08/2001WO2001009515A1 Ribbon drive pumping apparatus and method
02/08/2001WO2001009486A1 Ribbon drive power generation apparatus and method
02/08/2001WO2001008580A1 Catheter with coiled multi-lumen heat transfer extension
02/08/2001CA2380623A1 Ribbon drive propulsion system and method
02/08/2001CA2380440A1 Ribbon drive pumping apparatus and method
02/01/2001WO2001007787A1 Continuous flow rotary pump
02/01/2001WO2001007760A1 Hydraulic seal for rotary pumps
01/2001
01/24/2001CN2416254Y Screw pump
01/23/2001US6176848 Intravascular blood pump
01/17/2001CN2415178Y Double screw blower
01/11/2001WO2001002724A1 Blood pump having a magnetically suspended rotor
01/11/2001CA2377934A1 Blood pump having a magnetically suspended rotor
01/10/2001CN2414226Y Pithch-shangeable screw high-pressure pump
01/10/2001CN1279747A Pump/motor assembly
12/2000
12/28/2000WO2000079129A1 Bladeless pump
12/27/2000CN2412110Y Screw pump non-oil pipe pumping unit
12/20/2000CN2411362Y Volume type screw-arbor oil-well pump
12/14/2000WO2000074812A1 Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board
12/14/2000WO2000074811A1 Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board
12/14/2000WO2000074748A1 Magnetic suspension blood pump
12/14/2000CA2374656A1 Magnetic suspension blood pump
12/12/2000US6158959 Pump impeller
12/06/2000CN2409358Y Vertical axial-flow pump
11/2000
11/29/2000CN2408275Y 单螺杆泵 Single Screw
11/28/2000US6152701 Method for designing a pipeline system for transporting a fluid subject to deterioration at elevated pressure and elevated temperature
11/15/2000CN1273330A Method for manufacturing stator of screw pump
11/09/2000DE19912388C1 Recirculation pump for pipeline section has inflatable sealing hose for sealing axial annular gap between entry opening of pump housing mantle and pump intake pipeline section
10/2000
10/26/2000WO2000064031A1 Rotor device
10/26/2000WO2000064030A1 Device for delivering single-phase or multiphase fluids without altering the properties thereof
10/26/2000WO2000062841A1 Device for axially delivering fluidic media
10/18/2000CN2401713Y Lift pump by using natural water flow power
09/2000
09/13/2000EP1034375A1 Pump/motor assembly
08/2000
08/29/2000US6109887 Electric pump
08/16/2000EP1027543A1 Low head pumping system for fish farms
08/08/2000US6100618 Rotary machine with an electromagnetic rotary drive
07/2000
07/25/2000US6092994 Liquid delivery device, method of controlling such liquid delivery device, and liquid delivery pump
07/19/2000CN1260862A Mechanism for providing motive porce and for pumping application
07/12/2000EP0904117B1 Intravascular blood pump
07/12/2000CN2387287Y Farm axial pump
06/2000
06/14/2000CN1256366A Small pump device and electric thermos bottle
05/2000
05/31/2000CN2380727Y Directly-driven oil-submerged electric screw pump
05/30/2000US6068454 Fuel pump with helical impeller
05/02/2000US6056518 Fluid pump
04/2000
04/25/2000US6053705 Rotary pump and process to operate it
03/2000
03/30/2000DE19843840A1 Lightweight floating pump suitable for land irrigation, fish farming, quarry and civil engineering pumping operations
03/09/2000DE19941323A1 Turbo engine with improved phase mixing to pump poli-phase crude oil flow has beads in flow channels to generate turbulent eddy flow to mix liquid and gaseous phases
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