Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447)
12/2012
12/27/2012WO2012145287A3 Submersible centrifugal pump for solids-laden fluid
12/27/2012WO2012138545A3 Circulating dielectric oil cooling system for canned bearings and canned electronics
12/26/2012CN202628619U Multistage pump provided with anti-rotating device
12/26/2012CN202628534U Small-flow double-cylinder horizontal multiple-stage centrifugal pump
12/26/2012CN202628533U Multifunctional pump
12/26/2012CN101918717B Material delivery apparatus
12/20/2012US20120321489 Water Pump
12/19/2012CN202612214U Self-balancing multistage pump
12/19/2012CN202612117U Non sealing self-sucking type multistage pump
12/19/2012CN202612116U Multi-key shaft hole connection centrifugal pump
12/19/2012CN102828960A Double suction multistage horizontal split pump
12/19/2012CN102828959A Double-suction multistage horizontal type horizontal split pump
12/19/2012CN102828958A Novel strong self-absorption horizontal multistage pump
12/19/2012CN102828957A Upright type liquid discharge centrifugal pump
12/13/2012WO2012072068A9 Coolant pump
12/13/2012DE102012208967A1 Selbstansaugende Unterdruckpumpe Self-vacuum pump
12/12/2012EP2532896A2 Pumping device
12/12/2012CN202597251U Pump body for boric acid recirculating pump
12/12/2012CN202597221U Impeller structure of charging pump for nuclear power station
12/12/2012CN202597157U Pump head of charging pump used for nuclear power station
12/12/2012CN202597156U Stator part of upper filling pump for nuclear power station
12/12/2012CN202597114U Startup water feed pump for nuclear power station
12/12/2012CN202597113U Charging pump for nuclear power station
12/12/2012CN101994701B Pipeline delivery pump
12/06/2012US20120308363 Centrifugal pump apparatus
12/05/2012CN202579201U Single-shaft multi-stage centrifugal compressor
12/05/2012CN102808773A Pump with replaceable assembled liner
11/2012
11/29/2012US20120301281 Fan module
11/29/2012DE102011050658A1 Apparatus for use in arrangement for conveying or compressing fluids, has container rotatably mounted around rotational axis, where container is fastened at shaft in rotationally fixed manner
11/28/2012CN202560653U Three-dimensional impeller centrifugal compressor
11/28/2012CN202560569U Vertical stainless steel multistage centrifugal pump with split-type mechanical seal seat
11/28/2012CN202560568U Novel centrifugal pump device for oilfield gathering
11/15/2012WO2012076839A9 Omni directional wind speed accelerator
11/14/2012CN202531472U Single-stage double-suction axially split pump
11/14/2012CN102782330A Axial-radial turbomachine
11/14/2012CN102782328A Water discharge pump
11/14/2012CN102777387A Vertical type multistage water feed pump
11/07/2012CN102767525A Fully-enclosed suspension type multistage centrifugal pump for transporting high-pressure freon
11/07/2012CN101956711B Computational fluid dynamics (CFD)-based centrifugal pump multi-working condition hydraulic power optimization method
11/07/2012CN101749251B Scroll casing type radial split three-grade process pump
10/2012
10/31/2012CN102758796A Drainage system for vertical barrel pump
10/31/2012CN102758776A Horizontal type multistage centrifugal pump
10/31/2012CN102758775A Axial force self-balancing multistage centrifugal pump
10/26/2012WO2012145287A2 Submersible centrifugal pump for solids-laden fluid
10/26/2012CA2833725A1 Submersible centrifugal pump for solids-laden fluid
10/24/2012CN202500779U Vane pump
10/23/2012US8292577 Removable impeller for fan
10/18/2012WO2012140225A1 Submersible including an electrochemical battery
10/17/2012CN102734982A Direct sewage source heat pump
10/17/2012CN102734203A Horizontal multistage pump axial inlet device and connecting structure thereof
10/17/2012CN102734174A Two-stage and two-discharge graphite pump
10/17/2012CN102734173A High-lift and interstage leakage-free multi-level submersible pump
10/16/2012US8287236 Multistage centrifugal compressor
10/11/2012WO2012138545A2 Circulating dielectric oil cooling system for canned bearings and canned electronics
10/10/2012CN202483885U Feeding pump special for plate filter press
10/10/2012CN202483884U Two-stage high-pressure submerged pump
10/10/2012CN202483883U Fluid centrifuging pump for circulating fluid through engine
10/10/2012CN101666316B Auxiliary water supply electric pump in nuclear power plant
10/03/2012EP2505842A1 Multi stage centrifugal pump system
10/03/2012CN202468333U Gas-liquid sealed pump
10/03/2012CN102705244A Vortex pump
10/03/2012CN102042231B Non-leakage idling resistant centrifugal pump
09/2012
09/27/2012WO2012076839A3 Turbine arrangement
09/27/2012US20120243974 Mechanical coolant pump
09/18/2012US8267648 Compact low noise efficient blower for CPAP devices
09/18/2012US8267640 Turbine pump with floating raceway
09/12/2012CN202431529U Differential pressure type water pump device for aquiculture system
09/12/2012CN202431528U Simple centrifugal water pump
09/11/2012US8262339 Flow channel of a regenerative pump
09/05/2012CN202417954U Nuclear secondary pump charging pump of 1000MW nuclear power station
09/05/2012CN202417953U Multistage shield pump for conveying easily vaporized media
09/05/2012CN202417952U High-flow high/low-pressure multistage centrifugal pump
09/05/2012CN202417951U Total-head centrifugal pump
09/01/2012CA2733049A1 Pump for immersion within a fluid reservoir
08/2012
08/30/2012US20120219406 Pipeline pump shaped by stamping and welding
08/29/2012CN202402289U Self-balancing section-type multi-stage centrifugal pump
08/22/2012CN202391744U Vertical-type centrifugal pump
08/22/2012CN102644602A Improvements in centrifugal pumps
08/22/2012CN101832271B Multi-stage centrifugal pump assembly
08/15/2012CN102635577A Multi-stage pump with anti-rotation device
08/15/2012CN102635575A Pump body for boric acid recycling pump
08/15/2012CN102155413B Modularized rapid-assembling/disassembling gear driving diving tubular pump
08/09/2012WO2012072068A4 Coolant pump
08/08/2012CN202370853U Multistage centrifugal pump with inlaying-assembly type guide vane casing
08/08/2012CN102628443A Magnetic force compensating type axial flow-distribution radial plunger pump
08/01/2012EP2480791A1 Axial-radial turbomachine
07/2012
07/26/2012WO2012097440A1 High pressure multistage centrifugal pump for fracturing hydrocarbon reserves
07/25/2012CN202348684U Vertical multistage deep-well centrifugal pump
07/25/2012CN202348683U Vertical multi-stage pump
07/25/2012CN202348682U Slow-rotary-speed corrosion-resisting wear-resisting centrifugal pump
07/25/2012CN102606532A Fluid pump and method for adjusting optimal efficiency point thereof
07/25/2012CN102606506A Stator component of charging pump for nuclear power station
07/25/2012CN102606485A Startup water feed pump for nuclear power station
07/25/2012CN102606484A Charging pump for nuclear power station
07/25/2012CN102606483A Horizontal central-open multistage pump capable of conveying multiphase flow media
07/19/2012DE102005060895B4 Kreiselpumpe zur Förderung heißer und/oder leicht ausgasender und/oder gasbeladener Medien Centrifugal pump for delivering hot and / or slightly outgassing and / or gas-laden media
07/19/2012CA2764752A1 High pressure multistage centrifugal pump for fracturing hydrocarbon reserves
07/18/2012CN102588328A Centrifugal pump
07/18/2012CN102588294A Barrel-type multistage pump
07/18/2012CN101463822B Non-impeller hollow screw axis centrifugal cavity pump
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