| Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447) |
|---|
| 03/15/2012 | US20120063942 Shrouded thrust bearings |
| 03/15/2012 | US20120063882 Internally-cooled centrifugal compressor with cooling jacket formed in the diaphragm |
| 03/14/2012 | EP1469202B1 Multistage pump |
| 03/14/2012 | CN202165273U 离心泵和热交换系统 Centrifugal pumps and heat exchange system |
| 03/14/2012 | CN202165272U 一种泵 A pump |
| 03/08/2012 | WO2012028181A1 Rotary pump |
| 03/08/2012 | US20120057970 Integrated open impeller and diffuser for use with an electrical submersible pump |
| 03/07/2012 | CN202157969U 多级多出口悬臂式离心泵 Multi-level multi-outlet cantilever centrifugal pump |
| 03/07/2012 | CN202157968U 多级泵新型导流出水段结构 The new multi-stage pump water diversion segment structure |
| 03/07/2012 | CN102367799A Spiral pipe pump |
| 03/06/2012 | US8128340 Stacked self-priming pump and centrifugal pump |
| 02/29/2012 | CN202152735U 一种免灌水的离心水泵运行系统 A centrifugal pump irrigation-free operation of the system |
| 02/29/2012 | CN101571134B Special centrifugal pump with air-cooled type bearing body |
| 02/28/2012 | US8123458 Stacked self-priming pump and centrifugal pump |
| 02/23/2012 | DE102007014019B4 Wärmepumpe und Verfahren zum Kühlen und/oder Heizen Heat pump and method of cooling and / or heating |
| 02/22/2012 | EP2420677A1 Multi-layer circulation pump |
| 02/22/2012 | CN202149036U 一种新型高压低温离心泵 A new high-pressure cryogenic centrifugal pumps |
| 02/22/2012 | CN202149035U 叶轮泵 Impeller Pumps |
| 02/22/2012 | CN202149034U 叶轮泵 Impeller Pumps |
| 02/22/2012 | CN101892991B 一种无泄漏卧式多级泵 A non-horizontal multistage pump leak |
| 02/21/2012 | US8118549 Gas turbine transition duct apparatus |
| 02/21/2012 | CA2494444C Progressive cavity pump |
| 02/21/2012 | CA2481196C Multistage pump and method of making same |
| 02/16/2012 | WO2011089512A8 Centrifugal pump |
| 02/15/2012 | CN101372986B 叶轮以及使用该叶轮的燃料泵 Of the impeller wheel and the use of the fuel pump |
| 02/08/2012 | CN102345607A Volute type water pump and base thereof |
| 02/02/2012 | WO2011142980A3 Vibration damping device for vertically cantilevered pump assemblies |
| 02/01/2012 | CN102338120A High-pressure multi-stage centrifugal pump |
| 02/01/2012 | CN102338095A Centrifugal pump capable of reversely rotating |
| 02/01/2012 | CN101649838B 一种内部可过滤颗粒的水泵 An internal pump can filter particles |
| 01/31/2012 | US8105011 Fan comprising a fan wheel |
| 01/26/2012 | US20120020777 Durable pumps for abrasives |
| 01/25/2012 | CN202125430U Condensate water pump |
| 01/25/2012 | CN102330690A Multistage centrifugal draining pump |
| 01/18/2012 | CN101725536B Portable fire pump |
| 01/11/2012 | CN202108789U Multistage centrifugal pump with energy-saving axial force balancing device |
| 01/11/2012 | CN102312841A Energy-saving multistage centrifugal pump with fixed clearance of balancing disc |
| 01/11/2012 | CN102312840A High pressure multistage centrifugal pump |
| 01/11/2012 | CN102312839A Efficient high pressure-bearing horizontal multistage centrifugal pump |
| 01/05/2012 | WO2012003386A2 Durable pumps for abrasives |
| 01/05/2012 | CA2803993A1 Durable pumps for abrasives |
| 01/04/2012 | CN202100480U Double-suction high-pressure self-sealing multistage centrifugal pump |
| 01/04/2012 | CN202100479U High pressure coking removing water pump for oil refinery delay coking device |
| 01/04/2012 | CN202100478U Modularization quick mounting-dismounting gear transmission submersible axial flow pump |
| 01/03/2012 | US8087876 Fuel pump |
| 12/29/2011 | US20110318175 Multi-stage centrifugal fan |
| 12/28/2011 | CN202091206U 复合式出水结构的贯流泵装置 Tubular Pump Water composite structures |
| 12/28/2011 | CN102297137A 一种开式不连续叶片泵 An open-type discontinuous vane pump |
| 12/28/2011 | CN102297136A 具有热交换器的特种泵和系统 Special pump and heat exchanger system |
| 12/22/2011 | WO2011157485A1 Dual-flow centrifugal pump |
| 12/21/2011 | CN202082109U 一种液氧离心泵进液装置 One kind of oxygen inlet centrifugal device |
| 12/21/2011 | CN202082108U 一种新型水泵 A new water pump |
| 12/21/2011 | CN102287376A 直通式单级离心清水泵 Straight-through single-stage centrifugal pump |
| 12/14/2011 | CN202073794U 一种加长型液下化工离心泵 Under a lengthened liquid chemical centrifugal pump |
| 12/14/2011 | CN102278315A 一种多级清水离心泵 A multi-stage water pump |
| 12/14/2011 | CN102278314A 一种螺旋轴与离心叶轮结构的离心泵 Centrifugal pump with a screw centrifugal impeller shaft structure |
| 12/14/2011 | CN102278313A 泵以及热泵装置 Pumps and pump equipment |
| 12/14/2011 | CN102278312A 一种纳米镍渗透单级双吸离心泵的加工工艺 Nickel nano penetration single-stage double-suction centrifugal process |
| 12/14/2011 | CN101586580B 叶片、叶轮、涡轮流体机械、叶片的制造方法以及制造装置 Blades, the impeller, the turbine fluid machine, and a method of manufacturing apparatus for manufacturing a blade |
| 12/14/2011 | CN101208519B 水泵 Pump |
| 12/07/2011 | CN202065189U Slurry oil pump |
| 12/01/2011 | WO2011089512A3 Centrifugal pump |
| 11/30/2011 | CN202056060U 多级离心排水泵 Multistage centrifugal drainage pump |
| 11/30/2011 | CN102261336A 两级悬臂离心泵 Two cantilever centrifugal |
| 11/30/2011 | CN102261335A 一种高韧高强聚醚陶瓷基复合泵工艺方法 A kind of high strength and toughness of ceramic matrix composite pump polyether process for |
| 11/23/2011 | CN202047989U Sectional oppositely-mounted double-volute abrasion-resistant multistage pump for mine |
| 11/23/2011 | CN202047988U Chemical centrifugal pump |
| 11/23/2011 | CN102257279A Centrifugal pump with offset volute |
| 11/22/2011 | US8061980 Separation-resistant inlet duct for mid-turbine frames |
| 11/17/2011 | WO2011142980A2 Vibration damping device for vertically cantilevered pump assemblies |
| 11/16/2011 | CN101892990B Horizontal split multi-stage pump |
| 11/09/2011 | EP1020644B1 A fluid machinery, a flange for fluid machinery, and a method for manufacturing them |
| 11/09/2011 | CN202031872U Novel high-speed multistage pump rotor |
| 11/09/2011 | CN202031837U Novel energy-saving stainless steel stamping pump |
| 11/09/2011 | CN102235366A Self-suction type centrifugal pump |
| 11/09/2011 | CN101490931B Cooling arrangement for an electrical machine |
| 11/02/2011 | CN101718277B Evaporation fan used for vehicle air conditioning system |
| 11/01/2011 | US8047766 Electromechanical drive for actuating valves |
| 10/26/2011 | CN202017631U Condensate pump |
| 10/26/2011 | CN101761485B Righting type downhole annular suction turbopump |
| 10/12/2011 | CN102213218A High-efficiency booster pump device for spraying machine |
| 10/05/2011 | EP1904747B1 Improved impeller arrangement and pump |
| 10/05/2011 | CN202001319U Multistage centrifugal oil transfer pump |
| 10/05/2011 | CN202001318U Multiple-stage centrifugal pump casting |
| 10/05/2011 | CN202001317U High-lift multistage centrifugal pump |
| 10/05/2011 | CN202001316U Barrel-type condensate pump |
| 10/05/2011 | CN202001315U Pump |
| 10/05/2011 | CN202001314U A novel fluorine-lined pump |
| 10/05/2011 | CN202001313U Novel roto-jet pump |
| 09/28/2011 | CN201991790U 长轴多级轴向流液下泵 Under the long axis of the multi-stage axial flow hydraulic pump |
| 09/28/2011 | CN201991785U 一种双叶轮渣浆泵 A dual impeller slurry pump |
| 09/28/2011 | CN201991784U 一种夹套长轴泵 One kind of jacket lineshafts |
| 09/28/2011 | CN101865137B Experimental device of 'wet' rotor effect of multi-stage centrifugal pump |
| 09/28/2011 | CN101312313B Waterproof construction of engine, discharge pump and air conditioner |
| 09/21/2011 | EP2366905A2 Improved tight multi-stage pump |
| 09/21/2011 | EP2366904A1 Compression device for the stator unit of a pump |
| 09/21/2011 | CN201982308U 一种易拆装卧式不锈钢多级离心泵 An easily removable stainless steel horizontal multistage centrifugal pump |
| 09/21/2011 | CN201982307U 磁力驱动单吸多级离心泵 Magnetic drive single suction multistage centrifugal pumps |
| 09/21/2011 | CN101666315B Tubular shaft type centrifugal pump |
| 09/15/2011 | CA2733584A1 Radial fan wheel arrangement |