| 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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| 10/17/2007 | CN200961584Y Super big water ring vacuum pump |
| 10/11/2007 | WO2007114090A1 Multi-blade fan |
| 10/11/2007 | WO2007070596A3 Fuel cell compressor system |
| 10/10/2007 | EP1843043A2 Vacuum pump with drive device |
| 10/10/2007 | CN200958492Y Centrifugal fan volute |
| 10/10/2007 | CN200958483Y Sleeved combined structure of improved centrifugal ventilating fan bearing and hub |
| 10/04/2007 | WO2007110368A1 Method for operating a compressor unit and associated compressor unit |
| 10/04/2007 | WO2007110281A1 Compressor unit |
| 10/04/2007 | WO2007110275A1 Compressor unit |
| 10/04/2007 | DE102006014682A1 Saugmaschine Suction machine |
| 10/03/2007 | EP1838966A1 Vacuum side channel compressor |
| 10/03/2007 | CN200955514Y Wormgear improved structure of wormgear type blowing machine |
| 10/03/2007 | CN101046213A 离心扇 Centrifugal fan |
| 10/03/2007 | CN100340776C 低噪音高压离心风机 Low-noise high-pressure centrifugal fan |
| 09/27/2007 | WO2007108720A1 Radial fan (variants) |
| 09/27/2007 | DE202007009507U1 Mehrstufiges Gebläse Multistep fan |
| 09/26/2007 | CN200952487Y Blower waterproof structure |
| 09/26/2007 | CN101042144A Centrifugal type turbo machine |
| 09/26/2007 | CN101042143A Small-sized blowing fan |
| 09/26/2007 | CN101042142A Rotary blower and aspirator having a modifiable conformation |
| 09/21/2007 | CA2569902A1 Improved tip clearance centrifugal compressor impeller |
| 09/19/2007 | CN200949566Y High pressure centrifugal blower |
| 09/19/2007 | CN200949536Y High pressure centrifugal blower |
| 09/19/2007 | CN101037998A Positive vortex highly effective high pressure pump |
| 09/13/2007 | US20070212238 Rotodynamic Fluid Machine |
| 09/13/2007 | DE102006034156B3 Electrical device ventilating and/or air conditioning arrangement, has ventilator with outlets adjacent to inlet, where air sucked by inlet is alternatively guided via one outlet by variably adjustable positions of orifice |
| 09/05/2007 | EP1290347A4 In-line centrifugal fan |
| 09/05/2007 | EP1078166B2 Friction vacuum pump with a stator and a rotor |
| 08/30/2007 | DE102007003088B3 Strömungsmaschine in einem angetriebenen Rotor Flow machine in a driven rotor |
| 08/29/2007 | EP1825149A1 Multi-stage compressor and housing therefor |
| 08/29/2007 | CN200940609Y 离心式风扇 Centrifugal fan |
| 08/29/2007 | CN200940579Y High pressure centrifugal air blower |
| 08/22/2007 | CN2937580Y Electric inflation pump |
| 08/22/2007 | CN2937565Y High pressure centrafugal blower |
| 08/22/2007 | CN2937564Y Water-ring vacuum pump |
| 08/16/2007 | WO2007090775A1 Compressor unit |
| 08/15/2007 | CN2934677Y Horizontal type single-stage single-suction water-ring vacuum pump |
| 08/15/2007 | CN101016904A Plant facility |
| 08/14/2007 | US7255532 Bi-directional blowers for cooling computers |
| 08/14/2007 | CA2538933C Improved air control system for an air bed |
| 08/08/2007 | CN2931872Y Water-ring vacuum pump |
| 08/08/2007 | CN2931871Y 离心式风扇 Centrifugal fan |
| 08/08/2007 | CN101012837A Centrifugal compressor having air removal jet box structure |
| 08/02/2007 | US20070177971 Impeller for blower and air conditioner having the same |
| 08/01/2007 | EP0789976B1 Improved air control system for an air bed |
| 08/01/2007 | CN2929268Y Axial air inlet centrifugal blower |
| 07/25/2007 | CN2926615Y Blast blower |
| 07/25/2007 | CN101004177A Centrifugal fan, and fan frame |
| 07/25/2007 | CN101004176A Centrifugal fan, structure of stator, and structure of seat body |
| 07/18/2007 | CN101000059A High voltage little flow rate chlorine compressor |
| 07/11/2007 | CN2921379Y Blower structure |
| 07/10/2007 | US7241110 Centrifugal fan with stator blades |
| 07/10/2007 | US7240515 Centrifugal compressor |
| 07/04/2007 | CN2918805Y Air charging and exhausting adjustable pump |
| 07/04/2007 | CN1991182A Turbo compressor |
| 07/04/2007 | CN1991181A Turbo compressor |
| 06/28/2007 | DE10253945B4 Optische Drehfiltervorrichtung mit integriertem Kühlventilator und optisches Beleuchtungssystem Optical rotary filter device with integrated cooling fan and illumination optical system |
| 06/27/2007 | CN2916203Y Radiating fan |
| 06/27/2007 | CN1987119A Compressor jet flow path structure |
| 06/21/2007 | WO2007070596A2 Fuel cell compressor system |
| 06/21/2007 | DE102006038098A1 Durchflusskanal-Konstruktion für Kältemittelverdichter Flow passage construction for refrigerant compressors |
| 06/20/2007 | CN2913698Y 多级离心鼓风机 Multistage Centrifugal Blowers |
| 06/20/2007 | CN2913696Y High-pressure sulfuric acid centrifugal blower |
| 06/20/2007 | CN2913691Y Coal gas centrifugal blower |
| 06/20/2007 | CN2913687Y Impeller-type air compressor |
| 06/20/2007 | CN1985093A Housing for a centrifugal fan, pump or turbine |
| 06/20/2007 | CN1982726A Fan and its impeller |
| 06/20/2007 | CN1982724A In-line centrifugal fan |
| 06/14/2007 | US20070134085 Double-ended blower and volutes therefor |
| 06/13/2007 | EP1795755A1 Impeller for blower and air conditioner having the same |
| 06/13/2007 | EP1225827B1 Fume extraction apparatus and assembly |
| 06/12/2007 | US7229243 Compressor |
| 06/06/2007 | CN2908878Y Pneumatic transporting centrifugal fan |
| 06/06/2007 | CN2908876Y 离心风机 Centrifugal fan |
| 06/06/2007 | CN2908867Y Ground drying machine |
| 06/06/2007 | CN1975181A Fan assembly for vacuum cleaner |
| 06/06/2007 | CN1975176A Centrifugal fan |
| 06/06/2007 | CN1975174A Fan and blade thereof |
| 05/31/2007 | US20070122273 Multistage centrifugal compressor |
| 05/30/2007 | CN2906152Y Through-flow type integrated wind wheel structure of warm-air blower |
| 05/30/2007 | CN2906145Y Drum type blower for ventilation of mine run |
| 05/30/2007 | CN1971056A Centrifugal fan and its fan blade |
| 05/30/2007 | CN1318710C Fluid pressurizing device |
| 05/24/2007 | US20070116555 Vacuum pump |
| 05/23/2007 | EP1787028A1 Rotodynamic fluid machine |
| 05/23/2007 | CN2903487Y Centrifugal air blast machine |
| 05/23/2007 | CN2903486Y Transverse flow type cooling fan for air-immersed tramsformer |
| 05/23/2007 | CN1966994A Rounded blower housing with increased airflow |
| 05/18/2007 | WO2007055589A1 Pressure and leakage control in rotating equipment for subsea compression |
| 05/18/2007 | WO2005061896A3 Vacuum pump |
| 05/17/2007 | US20070110601 Compressor Unit Comprising a Centrifugal Compressor and an Electric Motor |
| 05/17/2007 | US20070110569 Multistage centrifugal compressor having a tank which can be opened horizontally |
| 05/16/2007 | CN2900870Y Small compact centrifugal electric air compressor |
| 05/15/2007 | US7217098 Tower fan assembly |
| 05/15/2007 | US7217087 Centrifugal fan |
| 05/09/2007 | EP1714039A4 Housing for a centrifugal fan, pump or turbine |
| 05/09/2007 | CN2898382Y Centrifugal fan for purifying treatment |
| 05/09/2007 | CN2898381Y Efficient and high-pressure energy-saving fluid conveyer |
| 05/09/2007 | CN2898373Y Oil-water separator of oil-ring vacuum pump |
| 05/09/2007 | CN1959126A 离心式风扇 Centrifugal fan |