| Patents for F04D 23 - Other rotary non-positive-displacement pumps specially adapted for elastic fluids (928) |
|---|
| 09/02/2004 | US20040168440 Secondary air supply system |
| 09/01/2004 | CN1525054A 二次空气供给系统 The secondary air supply system |
| 08/26/2004 | DE19840635B4 Ringkanalgebläse A ring channel blower |
| 08/24/2004 | US6779968 Side channel compressor |
| 08/05/2004 | WO2004055376A3 Vacuum pumping arrangement |
| 08/05/2004 | DE10303688B3 Auxiliary heating device for automobile has combustion air supplied via side channel fan with fixed and rotatable channel housing parts |
| 07/29/2004 | DE10301613A1 Motor pump unit for supplying gases like hydrogen has a combination of a gas-lubricated floating ring seal and a standard rolling bearing for a shaft |
| 07/27/2004 | CA2238440C High temperature, high speed rotary valve |
| 07/01/2004 | WO2004055376A2 Vacuum pumping arrangement |
| 05/06/2004 | DE10249244A1 Impeller for a side channel compressor, for use by dentists, has a structured vane geometry with thickened radial inner ends to increase the generated underpressure |
| 04/15/2004 | WO2004031587A1 Lateral channel compressor |
| 03/23/2004 | US6709243 Rotary machine with reduced axial thrust loads |
| 03/16/2004 | US6705837 Welded connector for blade liner |
| 03/11/2004 | WO2004020837A1 Fan impeller with integrated precipitation of fat particles, in particular for a cooking device |
| 02/25/2004 | EP1005615B1 Multi-stage side channel pump |
| 02/19/2004 | US20040033134 Labyrinth seal for fan assembly |
| 01/20/2004 | US6679686 Motor-driven air pump with inflating and deflating modes |
| 01/15/2004 | WO2004005724A1 Regenerative fluid pump and stator for the same |
| 01/15/2004 | WO2004005722A1 A regenerative fluid pump and stator for the same |
| 01/15/2004 | WO2004005721A1 A regenerative fluid pump and stator for the same |
| 01/13/2004 | US6676384 Gas friction pump |
| 01/13/2004 | US6676367 Regenerative pumps |
| 12/18/2003 | DE20220643U1 Compressor unit, for gaseous medium, incorporates temperature regulation device for temperature regulation of compressed gaseous medium supplied to outlet |
| 12/11/2003 | DE20309258U1 Whirl fan for e.g. agricultural rearing has turning knuckle that projects from one side of motor and that runs through centre hole of one rear housing accommodating fan wheel and has heat dissipating unit |
| 11/27/2003 | US20030219337 Pumping stage for a vacuum pump |
| 11/19/2003 | EP1363027A1 Vacuum pump |
| 11/18/2003 | US6648601 Labyrinth seal for fan assembly |
| 11/12/2003 | EP1361366A2 Pumping stage for a vacuum pump |
| 11/06/2003 | US20030205213 Compressor assembly |
| 10/09/2003 | WO2003083313A1 Compressor unit |
| 10/02/2003 | US20030185667 Pump embodied as a side channel pump |
| 08/28/2003 | WO2003071137A1 Lateral channel compressor and device for machining a flange on a drive motor for a lateral channel compressor |
| 08/28/2003 | WO2003071136A1 Side-channel blower |
| 08/27/2003 | CN1119531C Side channel compressor |
| 08/21/2003 | DE10239246C1 Fan wheel for cooking appliance has projection extending diagonally across outer surface of each fan blade for preventing deposition of fat on heating or heat exchange device at rear of fan wheel |
| 07/30/2003 | EP1165965B1 Side channel compressor |
| 07/17/2003 | DE20305603U1 Side channel blower with water cooling for compressing air has rotor directly connected to shaft of drive motor and has housing directly connected to mounting rails on flexible pads |
| 07/02/2003 | EP1322865A1 Mixed flow and centrifugal compressor for gas turbine engine |
| 06/26/2003 | US20030118438 Fuel pump |
| 06/25/2003 | EP1320684A1 Pump embodied as a side channel pump |
| 06/05/2003 | DE20305604U1 Side channel fan has at least one compressed air nozzle is orientated against blades of impeller and installed in casing cover or in casing of fan |
| 06/03/2003 | US6571561 Power generation system |
| 05/29/2003 | US20030099560 Motor-driven air pump |
| 05/22/2003 | US20030095868 Labyrinth seal for fan assembly |
| 04/24/2003 | US20030077164 Regenerative pumps |
| 04/02/2003 | CN1407244A 涡流风扇 Eddy fan |
| 03/27/2003 | US20030057781 Brushless DC motor, pump, and electronic apparatus |
| 03/18/2003 | US6533537 Impeller for circumferential current pump |
| 01/16/2003 | WO2003004877A1 Side channel compressor |
| 01/02/2003 | US20030003004 Lubricating systems for regenerative vacuum pumps |
| 01/02/2003 | US20030000772 Lubricating systems for regenerative vacuum pumps |
| 12/25/2002 | CN1387612A Welded connector for blade liner |
| 12/18/2002 | EP1267082A2 Lubricating system for regenerative vacuum pumps |
| 12/18/2002 | EP1267081A2 Lubricating systems for regenerative vacuum pumps |
| 12/17/2002 | US6494043 Distributed generation system |
| 12/12/2002 | WO2002099285A1 Mounting device for a side channel ventilator |
| 12/04/2002 | CN1095524C Cross flow type blower |
| 12/03/2002 | US6488469 Mixed flow and centrifugal compressor for gas turbine engine |
| 11/26/2002 | US6484504 Power generation system |
| 10/22/2002 | US6468051 Helical flow compressor/turbine permanent magnet motor/generator |
| 09/26/2002 | US20020136643 Gas friction pump |
| 09/26/2002 | DE10114585A1 Vakuumpumpe Vacuum pump |
| 09/25/2002 | EP1243796A2 Vacuum pump |
| 09/17/2002 | US6450767 Radial blower |
| 09/12/2002 | DE10108631A1 Vacuum pump plant has fore-pump as liquid ring pump to create intermediate vacuum in range of rough, low vacuum, and side channel pump to create final vacuum |
| 09/03/2002 | US6443692 Impeller for circumferential current pump and method of forming the same |
| 08/29/2002 | US20020119040 Crossing spiral compressor/pump |
| 07/30/2002 | US6425732 Shrouded rotary compressor |
| 07/23/2002 | US6422808 Regenerative pump having vanes and side channels particularly shaped to direct fluid flow |
| 07/11/2002 | DE10062352A1 Gas compression method and side channel gas compressor with gas compressed in several part sections of ring-shaped pump chamber by driven rotor |
| 07/04/2002 | DE10162197A1 A fluid pump assembly has an integrated motor and pump housing into which bearings, rotor and impeller are assembled. |
| 06/26/2002 | EP1216359A1 Centrifugal pump |
| 06/11/2002 | US6402613 Portable environmental control system |
| 06/05/2002 | EP1210521A1 Welded connector for blade liner |
| 05/28/2002 | US6394748 Multi-stage side channel pump |
| 05/28/2002 | US6394747 Molecular drag vacuum pumps |
| 05/22/2002 | CN1350619A Side channel machine |
| 04/18/2002 | WO2002031360A1 Pump embodied as a side channel pump |
| 04/17/2002 | CN1345400A Side channel compressor |
| 04/11/2002 | WO2002029252A1 Mixed flow and centrifugal compressor for gas turbine engine |
| 04/11/2002 | DE10048695A1 Side channel pump for conveying fluid gas mixtures has pump channel running in a spiral coil round rotor |
| 03/26/2002 | US6361271 Crossing spiral compressor/pump |
| 03/26/2002 | US6361270 Centrifugal pump for a gas turbine engine |
| 03/07/2002 | WO2002018793A1 Radial regenerative turbomachine |
| 02/28/2002 | WO2002016776A1 Shrouded rotary compressor |
| 02/27/2002 | EP1180960A1 Balanced flow vacuum cleaner blower |
| 02/19/2002 | US6348106 Apparatus and method for moving a flow of air and particulate through a vacuum cleaner |
| 02/07/2002 | DE19780705C1 Side blower for motor vehicle heater |
| 02/06/2002 | EP1177384A1 Side channel machine |
| 01/17/2002 | DE10032984A1 Method for sealing rotary compressor has magnets each side to maintain the position of the rotor and prevent variations in the gap between rotor and housing |
| 01/09/2002 | EP1170508A1 Molecular drag vacuum pumps |
| 01/09/2002 | EP0916027B1 Side channel compressor |
| 01/02/2002 | EP1165965A1 Side channel compressor |
| 12/05/2001 | EP0701528B1 Rotary disk pump for particulate matrials with grooved conveyor disks |
| 11/29/2001 | WO2001071194A8 Curved blower conduit |
| 10/30/2001 | US6308375 Organic debris collection device with curved blower conduit |
| 10/09/2001 | US6299406 High efficiency and low noise fuel pump impeller |
| 09/27/2001 | WO2001071194A1 Curved blower conduit |
| 09/19/2001 | EP1134425A2 Regenerative fuel pump impeller |
| 08/30/2001 | US20010018026 Helical flow compressor/turbine permanent magnet motor/generator |