Patents for F04D 3 - Axial-flow pumps (1,557)
03/2015
03/05/2015US20150063995 Air diffuser systems, methods, and apparatuses
03/03/2015US8967948 Uniaxial eccentric screw pump
02/2015
02/26/2015WO2015026289A1 Transporter and fish lock
02/19/2015WO2015024005A2 Subsea pumping apparatuses and related methods
02/17/2015CA2725958C Stator to housing lock in a progressing cavity pump
02/12/2015WO2015020798A1 System and apparatus for pumping a multiphase fluid
02/12/2015US20150044027 System and apparatus for pumping a multiphase fluid
02/04/2015CN102287400B 具有改进的风扇环熔合线强度的塑料风扇 With improved fan ring weld line strength plastic fan
02/03/2015US8944778 Liquid ring pump and method for operating a liquid ring pump
01/2015
01/28/2015CN204124350U 一种喷水推进泵 One kind of waterjet pump
01/27/2015US8940843 Pump for loop reactor
01/22/2015US20150023805 Labyrinth Chamber with Helical Blade for a Submersible Well Pump and Method of Use
01/21/2015CN204113663U 新型水泵 The new pumps
01/21/2015CN204113131U 一种煤层气井用螺杆泵管柱 One kind of CBM wells screw column
01/21/2015CN102966591B 一种轴流式流体驱动装置 An axial fluid drive
01/20/2015US8936430 Submersible centrifugal pump for solids-laden fluid
12/2014
12/17/2014CN204025064U 带前导叶测流的新型高效立式轴流泵装置 New and efficient vertical axial flow device with leading leaf flow measurement
12/17/2014CN104214105A 轴流泵 Axial pump
12/17/2014CN104214070A 一种无轴螺旋送料螺杆泵 A non-screw feed screw shaft
12/11/2014US20140363273 Propeller pump and pump station
12/10/2014CN204003490U 立式轴流泵 Vertical Axial
12/10/2014CN204003483U 一种改进型轴流泵 An improved axial flow
12/10/2014CN204003482U 高速轴流泵 High speed axial flow
11/2014
11/20/2014US20140341726 Blood pump with separate mixed-flow and axial-flow impeller stages and multi-stage stators
11/04/2014US8876499 Fan module
08/2014
08/20/2014EP2766607A1 Archimedean screw and installation of the pump or hydroelectric power station type fitted with at least one such screw
08/12/2014US8800647 High speed swirling type centrifugal revolving pipeline device
07/2014
07/30/2014CN103950528A 轴流式喷水推进泵 Axial-flow waterjet pump
07/29/2014US8790070 Stator-rotor arrangement for a vacuum pump and vacuum pump
07/29/2014CA2602952C Magnetically driven archimedes spiral screw pump
07/10/2014WO2014106885A1 Axial flow blood pump
07/02/2014CN203685594U 轴流泵 Axial pump
07/02/2014CN101918701B 产能机 Capacity machines
06/2014
06/18/2014EP2741793A1 Rotary pump comprising a rotor and delivery elements
06/12/2014US20140161600 Stator for gas exhaust pump, method for manufacturing the same, pump having the stator, and manufacturing method and assembling method of the same
06/12/2014US20140157613 Fan assembly for an appliance
06/05/2014WO2014085024A1 Counter rotating helico-axial pump
06/03/2014CA2549665C Coolant pump with axial output
05/2014
05/30/2014WO2014079847A1 Pump arrangement
05/29/2014US20140147253 Counter rotating helico-axial pump
05/28/2014CN203614428U 一种具有螺旋叶片的轴流流体压力机及涡轮 Having a spiral blade and the turbine axial fluid presses
05/28/2014CN103821727A 高速轴流泵 High speed axial flow
05/27/2014US8734092 Flood pump
05/21/2014CN203601548U 一种喷水推进泵 One kind of waterjet pump
05/21/2014CN103813815A 包括转子和输送元件的旋转泵 Including rotary pump rotor and transmission components
05/13/2014US8720120 Membrane deflation in combination with rigid surfaces
05/07/2014EP2728193A2 Appliance pump with angled flow path and axial flow impeller
05/07/2014EP2728188A2 An oil pump for a hermetic compressor
05/07/2014CN203584830U 双向自力抽水泵 Bidirectional self pumps
05/07/2014CN203584824U 轴流螺杆泵 Axial screw
04/2014
04/30/2014EP2725232A2 Axial flow pump with integrated motor
04/23/2014EP2721290A1 Assembly of air and pneumatic devices
04/23/2014CN103742418A Pure working medium impeller mechanism
04/09/2014CN102619761B Axial-flow pump for particle image velocimetry and particle image velocimetry method
04/02/2014CN203516112U Electric bucket-inserting screw underflow pump
03/2014
03/26/2014CN103671126A Engine water pump with water storage tank
03/05/2014CN103620215A Assembly of air and pneumatic devices
02/2014
02/26/2014CN101324238B Blower with bearing tube
02/19/2014CN203441757U Anti-corrosion two-screw pump
02/11/2014CA2591769C Improved pump and method
02/05/2014CN203420896U Screw pump
01/2014
01/29/2014CN103541883A Oil pump of closed type piston compressor and compressor
01/23/2014WO2014012191A1 Energy-saving start device of submersible progressive cavity pump unit
01/23/2014WO2014012150A1 An electricity generating device, a fluid pressure reducing device, and a fluid pump
01/15/2014CN203394788U Large-delivery-capacity spiral pump
01/09/2014US20140010631 Compressor intake mixer system
01/03/2014WO2014001331A1 Diffuser for cable suspended dewatering pumping system
01/03/2014CA2875914A1 Diffuser for cable suspended dewatering pumping system
01/02/2014US20140003913 Infinitely adjustable coolant pump
12/2013
12/18/2013CN203348091U Marine lifting axial flow pump
12/18/2013CN103452859A Disc-motor axial flow pump for cooling of transformer
12/10/2013CA2716821C Bottom tag for progressing cavity pump rotor with coiled tubing access
11/2013
11/27/2013CN103410738A Axial flow screw pump
11/19/2013CA2613707C An axial flow pump with a spiral-shaped vane
11/14/2013WO2013090500A3 Propeller pump and pump station
11/13/2013CN203285723U Blood pump rotor structure capable of reducing hemolyses
11/13/2013CN103388585A Marine single-screw pipeline type water pump
10/2013
10/31/2013DE10016422B4 Parakardiale Blutpumpe Para Cardiac blood pump
10/30/2013EP2657528A2 Generator device
10/17/2013US20130272847 Variable turbine/compressor geometry
09/2013
09/26/2013US20130251514 Regenerative blower with a convoluted contactless impeller-to-housing seal assembly
09/19/2013US20130243583 Vacuum Pump
09/18/2013CN102374175B Single-rod multi-head transecting spiral submersible pump
09/12/2013DE10047387B4 Elektrisch angetriebene Kühlmittelpumpe An electrically powered coolant pump
09/11/2013CN103291625A Horizontal two-way oil suction pump
08/2013
08/29/2013US20130224001 Vacuum pump
08/22/2013US20130216352 Ejector and method
08/21/2013EP2628493A2 Expandable impeller pump
08/21/2013CN102352863B Design method of single helix mixed flow pump impeller
08/15/2013US20130209292 Axial flow blood pump with hollow rotor
08/01/2013US20130195630 Pump apparatus
07/2013
07/25/2013US20130189096 Pollutants Collecting Pump for Water Surface
07/24/2013CN103216449A Fluid power technology of pipe cavity with linear track and closed cross section
07/17/2013CN103206402A Embeddable two-stage axial flow blood pump rotor structure
07/17/2013CN103206382A Slurry filling pump with flow rate control function
07/11/2013US20130177392 Aircraft Airflow Modulation System and Method
07/11/2013US20130177389 Turbomachine component temperature control
07/04/2013US20130170955 Exhaust pump
07/03/2013CN101888948B Thrust generator
06/2013
06/26/2013CN203023067U Spiral lead pump
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