Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 19 - Axial-flow pumps specially adapted for elastic fluids
Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780)
06/2003
06/25/2003EP1320684A1 Pump embodied as a side channel pump
06/25/2003EP1017944B1 Compound pump
06/25/2003CN1425854A 真空泵 Vacuum pump
06/24/2003US6582192 Omnidirectional electric fan
06/18/2003EP1319131A1 Compound friction vacuum pump
06/18/2003EP1319130A1 Turbomolecular vacuum pump with rows of rotor blades and rows of stator blades
06/12/2003US20030108440 Dynamic seal
06/11/2003EP1318310A1 Magnetic bearing control device
06/11/2003EP1318309A2 Vacuum pump
06/11/2003EP1318308A2 Vacuum pump
06/11/2003EP1078166B1 Friction vacuum pump with a stator and a rotor
06/10/2003US6575713 Vaccum pump
06/05/2003US20030103847 Vacuum pump
06/05/2003US20030103842 Vacuum pump
06/05/2003US20030102748 Motor and pressure generating apparatus incorporating the motor
06/05/2003US20030102747 Use of zirconia balls for the landing bearings in molecular drag pumps on magnetic bearings
06/04/2003CN1110635C Energy-saving compressor with single screw bolt
05/2003
05/28/2003EP1314893A1 Vacuum pump
05/28/2003EP1314892A1 Vacuum pump
05/28/2003EP1314891A1 Vacuum pump
05/28/2003EP1313951A1 Vacuum pump
05/22/2003US20030095863 Vacuum pump
05/22/2003US20030095862 Vacuum pump
05/22/2003US20030095861 Vacuum pump
05/22/2003US20030095860 Vacuum pump
05/21/2003EP1312804A1 Vacuum pump
05/15/2003WO2003040568A1 Vacuum pump
05/15/2003CA2466571A1 A vacuum pump
05/13/2003US6561755 Turbomolecular pump
05/08/2003WO2003038279A1 Method and apparatus for portable ventilation system
05/08/2003US20030086784 Vacuum pumps
05/07/2003EP1119709B1 Friction vacuum pump with a stator and a rotor
05/07/2003EP0918934B1 Getter pump especially suitable for the use upstream, in proximity and coaxially with respect to a turbomolecular pump
05/06/2003US6559601 Plasma vacuum pump
05/06/2003US6559568 Magnetic bearing type vacuum pump
05/06/2003US6558123 Axial flow fan
05/02/2003EP1306567A1 Use of zirconium balls in emergency bearings of turbomolecular pumps with magnetic bearings
05/02/2003EP1306556A2 Molecular pump
05/01/2003US20030082060 Compressible fluid gas dynamic generator by microwave magnetic material thermoeffect
04/2003
04/29/2003US6554574 Axial flow fan
04/24/2003US20030077187 Molecular pump for forming a vacuum
04/23/2003EP0964984B1 Fan ring seal
04/17/2003WO2003031823A1 Axially discharging friction vacuum pump
04/16/2003EP1302670A2 Fan mounting arrangement
04/16/2003EP1302667A1 Vacuum pumps
04/09/2003EP1299898A1 Particle radiation device comprising a particle source that is operated in an ultrahigh vacuum and a cascade pump assembly for a particle radiation device of this type
04/08/2003US6544010 Axial flow fan with brushless direct current motor
04/02/2003EP1297267A1 Hybrid contact roller bearings for vacuum pump
04/02/2003EP1297257A1 Flywheel system with parallel pumping arrangement
04/01/2003US6540479 Axial flow fan
04/01/2003US6540475 Gas friction pump
03/2003
03/26/2003CN1103871C Getter pump especially suitable for the use, of upstream in proximity and coaxially with respect to turbomolecular pump
03/20/2003US20030053918 Vacuum pump having mechanism for restraining vibrations
03/20/2003US20030051487 Electronically controlled cryopump
03/19/2003EP1293682A2 Vacuum pump support
03/18/2003US6533559 Heat dissipating fan with multiple layers of blades
03/13/2003WO2003021123A1 Device and method used to automatically compensate for synchronous disturbances
03/06/2003US20030044270 Turbomolecular pump
03/05/2003EP1288502A2 Turbo molecular pump
03/05/2003CN2538988Y Turbine-type inflator
02/2003
02/27/2003WO2002055883A3 Turbo-molecular pump
02/26/2003CN1102209C Adjustable crank of crank rocker mechanism
02/25/2003US6524060 Gas friction pump
02/20/2003US20030035737 Connecting structure for vacuum pump
02/20/2003DE20218951U1 Heat exchanger has air passage blockage detector linked to reversible fan
02/12/2003EP1283368A2 Connecting structure for vacuum pump
02/05/2003EP1281007A1 Machine, preferably a vacuum pump, with magnetic bearings
02/05/2003EP1280997A2 Magnetic bearing with damping
02/05/2003EP0885359B1 Turbomolecular vacuum pumps with low susceptibility to particulate buildup
02/04/2003US6514035 Multiple-type pump
01/2003
01/30/2003US20030021682 Omnidirectional electric fan
01/30/2003US20030021679 Structure of fan
01/30/2003US20030021673 Vacuum pump
01/30/2003US20030021672 Vacuum pump
01/29/2003CN1100239C Low speed cooling fan
01/28/2003US6511300 Impeller for axial flow type blower
01/23/2003US20030017047 Turbo-molecular pump
01/23/2003US20030015373 Lubrication system for rotating machines and pumps
01/21/2003US6508631 Radial flow turbomolecular vacuum pump
01/21/2003US6508622 Axial fan with reversible flow direction
01/16/2003US20030012646 Axial flow fan
01/15/2003CN1391037A Ultrahigh-vacuum pump and its hydraulic method by 3D compressed air in water
01/09/2003US20030007862 Vacuum pump
01/08/2003EP1273803A2 Vacuum pump
01/08/2003EP1273802A1 Vacuum pump
01/07/2003US6503050 Turbo-molecular pump having enhanced pumping capacity
01/02/2003US20030003004 Lubricating systems for regenerative vacuum pumps
01/02/2003US20030000772 Lubricating systems for regenerative vacuum pumps
01/02/2003EP1270949A1 Vacuum Pump
01/01/2003CN1097681C Blower
12/2002
12/31/2002US6499973 Turbo molecular pump
12/31/2002US6499953 Dual flow impeller
12/31/2002US6499942 Turbomolecular pump and vacuum apparatus
12/26/2002US20020195089 Self contained air flow and ionization method, apparatus and design for internal combustion engines
12/24/2002US6498410 Motor and pressure generating apparatus incorporating the motor
12/18/2002EP1267083A2 Lubrification system for rotating machines and pumps
12/18/2002EP1267082A2 Lubricating system for regenerative vacuum pumps
12/18/2002EP1267081A2 Lubricating systems for regenerative vacuum pumps
12/18/2002CN2526241Y Fan for bicycle and tricycle
12/17/2002US6494691 Turbo molecular pump
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