| Patents for F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320) |
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| 10/17/2013 | US20130272861 Centrifugal compressor impeller |
| 10/17/2013 | US20130272843 Integrated reciprocating primer drive arrangement |
| 10/16/2013 | EP2650543A2 Radial compressor with a diffuser including passive flow control |
| 10/16/2013 | EP2649321A1 Stepped parting joint on a transmission housing of a fluid machine |
| 10/16/2013 | CN203239641U Vacuum pumping system adopting two lines of cooling water for vacuum pump cooler |
| 10/16/2013 | CN203239590U Centrifugal compressor unit of large-size LNG (Liquefied Natural Gas) device |
| 10/15/2013 | US8556580 Submersible pump for operation in sandy environments, diffuser assembly, and related methods |
| 10/10/2013 | WO2013150673A1 Indoor unit for air conditioning device |
| 10/10/2013 | WO2013150569A1 Indoor unit for air conditioning device |
| 10/10/2013 | WO2013110936A3 Gas transfer vacuum pump |
| 10/03/2013 | US20130260664 Eccentric fan housing |
| 10/03/2013 | US20130259644 Multi-stage centrifugal compressor and return channels therefor |
| 10/03/2013 | US20130255252 Control of balance drift in turbocharger rotating assembly |
| 10/02/2013 | EP2644898A1 Impeller and fan |
| 10/02/2013 | CN203223396U Air inlet structure of gas compressor |
| 10/02/2013 | CN203223391U 360-degree vertical rotating fan |
| 10/02/2013 | CN203223390U Novel postposition bulb tubular pump |
| 10/02/2013 | CN103339383A Stepped parting joint on a transmission housing of a fluid machine |
| 10/02/2013 | CN103334937A Vacuum pump |
| 10/02/2013 | CN103334936A Textile centrifugal fan |
| 09/26/2013 | WO2013141753A1 Centrifugal impeller assembly |
| 09/26/2013 | WO2013140819A1 Centrifugal compressor |
| 09/26/2013 | WO2013139568A1 Multi-stage radial compressor unit comprising gas removal during a compressor stage |
| 09/25/2013 | CN203214350U 离心风扇 Centrifugal fan |
| 09/25/2013 | CN103321918A Centrifugal compressor assembly and method |
| 09/19/2013 | US20130243585 Centrifugal fan and fan with sound-muffling box having the centrifugal fan built-in |
| 09/19/2013 | US20130242502 Active cooling fan |
| 09/18/2013 | EP2639458A1 Circulating fan and air-conditioner equipped with same |
| 09/18/2013 | CN203201825U Compressor arrangement |
| 09/18/2013 | CN203201824U Centrifugal fan |
| 09/18/2013 | CN103306992A Ventilator |
| 09/18/2013 | CN101595310B Sirocco fan and air conditioner |
| 09/12/2013 | WO2013131951A1 Fan |
| 09/12/2013 | US20130236303 Centrifugal fan |
| 09/05/2013 | US20130230421 Centrifugal fan |
| 09/04/2013 | EP2633198A2 System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system |
| 09/04/2013 | EP2633197A1 Multiple motor drivers for a hermetically-sealed motor-compressor system |
| 09/04/2013 | CN103277338A High-efficiency energy-saving fan |
| 09/04/2013 | CN103277324A Centrifugal compressor with asymmetrical vaneless diffuser and automobile with same |
| 09/04/2013 | CN102105653B Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device |
| 08/29/2013 | US20130224043 Air mixing device for buildings |
| 08/28/2013 | EP2631492A1 Multi-stage centrifugal compressor and return channels therefor |
| 08/28/2013 | CN103270309A Through-flow fan, and indoor unit for air conditioner |
| 08/27/2013 | US8517012 Multiple stage blowers and volutes therefor |
| 08/22/2013 | US20130216369 Centrifugal fan |
| 08/21/2013 | CN203146361U Vacuum pump water circulation system |
| 08/21/2013 | CN203146360U Disinfecting centrifugal fan |
| 08/21/2013 | CN203146359U Stator-free single-screw type air oil-less compressor |
| 08/21/2013 | CN101751094B Centrifugal fan and electronic device using centrifugal fan |
| 08/21/2013 | CN101652572B Radial fan and a high-pressure cleaning device having a radial fan |
| 08/21/2013 | CN101163889B Turbocharger compressor having ported second-stage shroud, and associated method |
| 08/15/2013 | US20130209245 Blower assembly |
| 08/14/2013 | CN101517240B Molecular drag pumping mechanism |
| 08/13/2013 | CA2610255C Vacuum pump |
| 08/07/2013 | CN203114661U Vertical type water ring vacuum pump |
| 08/07/2013 | CN103233899A Mechanical supercharging device and piston engine provided with mechanical supercharging device |
| 08/06/2013 | US8499760 Double-ended blower and volutes therefor |
| 08/01/2013 | WO2013111761A1 Centrifugal compressor |
| 08/01/2013 | WO2013110936A2 Gas transfer vacuum pump |
| 08/01/2013 | US20130195638 Centrifugal fan |
| 07/31/2013 | EP2620649A1 Gas transfer vacuum pump |
| 07/31/2013 | CN203096512U Vacuum dehydration system of paper machine for reconstituted tobacco by paper process |
| 07/25/2013 | US20130189130 Fan motor structure |
| 07/25/2013 | US20130189080 Rotary compressor |
| 07/25/2013 | US20130189074 Multiple-capacity centrifugal compressor and control method thereof |
| 07/24/2013 | CN203081787U D-type multistage high-speed air blower |
| 07/24/2013 | CN103216454A Multiple-capacity centrifugal compressor and control method thereof |
| 07/23/2013 | CA2517743C Blower and method of conveying fluids |
| 07/17/2013 | EP2614259A2 Internally-cooled centrifugal compressor with cooling jacket formed in the diaphragm |
| 07/17/2013 | CN203067307U Centrifugal vacuum pump |
| 07/17/2013 | CN103206389A Multistage refrigeration compressor and middle air supplementation structure thereof |
| 07/17/2013 | CN101560987B Centrifugal compressor with surge control, and associated method |
| 07/11/2013 | US20130177395 Cross flow fan and air-conditioning apparatus including same |
| 07/11/2013 | DE102005027460B4 Wärme ableitende Vorrichtung Heat dissipating device |
| 07/10/2013 | EP2613057A1 Turbo compressor |
| 07/10/2013 | CN203051164U Water ring vacuum pump used in rubber-plastic processing process |
| 07/10/2013 | CN203051163U Seal water recovery system of water ring vacuum pump |
| 07/10/2013 | CN203051162U Single-suction single-stage double-supporting centrifugal blower |
| 07/10/2013 | CN103201518A Circulating fan and air-conditioner equipped with same |
| 07/10/2013 | CN103195723A Advection fan |
| 07/10/2013 | CN102367800B Gas compression or turbine device and composite gas compression or turbine device |
| 07/10/2013 | CN101504003B Turbo compressor and turbo refrigerator |
| 07/10/2013 | CN101487474B 鼓风机 Blowers |
| 07/03/2013 | CN203035606U Impeller of MCO-type centrifugal compressor |
| 07/03/2013 | CN203035570U Fluorine lining alloy liquid ring vacuum pump |
| 07/03/2013 | CN203035569U Vertical shaft tubular pump with front-arranged guide vane body device |
| 06/27/2013 | WO2013094387A1 Fan, molding die, and fluid feeder device |
| 06/27/2013 | WO2013092982A1 Compressor and compressor operation method |
| 06/27/2013 | US20130164157 Generator arrangement |
| 06/27/2013 | US20130164123 Air conveyor |
| 06/26/2013 | CN103174678A Centrifugal compressor air guiding recycling structure with multiple channels |
| 06/26/2013 | CN102128172B Cross-flow fan and air conditioner equipped therewith |
| 06/20/2013 | WO2013087606A1 A compressor arrangement |
| 06/20/2013 | US20130156569 Centrifugal fan device |
| 06/20/2013 | US20130156568 Electronic device with fan |
| 06/20/2013 | DE102011121223A1 Turbo compressor i.e. two-stage turbo compressor, for compaction of gaseous medium, has compressor stages arranged on common shaft in force-fit and form-fit manner, and heat exchanger arranged in flow connection between compressor stages |
| 06/19/2013 | EP2604862A1 A compressor arrangement |
| 06/19/2013 | CN203009318U Water ring vacuum pump |
| 06/19/2013 | CN103168175A Multi-stage centrifugal compressor and return channels therefor |
| 06/19/2013 | CN103161738A Centrifugal hydrogen sulfide compressor |