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)
01/2004
01/22/2004US20040013531 Variable speed pump control
01/22/2004US20040013529 Mechanical kinetic vacuum pump
01/20/2004US6679677 Vacuum pump
01/15/2004DE10218459B3 Verdichter in mehrstufiger Axialbauart Compressor in multistage axial type
01/13/2004US6676384 Gas friction pump
01/13/2004US6676368 Turbine pump with a stator stage integrated with a spacer ring
01/07/2004EP1377752A2 Turbomolecular pump
01/07/2004CN1466427A Motorless compressor
01/06/2004US6672828 Vacuum pump
01/06/2004US6672827 Vacuum pump
12/2003
12/31/2003WO2004001230A1 Apparatus for controlling the pressure in a process chamber and method of operating same
12/25/2003US20030233822 Compressor in a multi-stage axial form of construction
12/24/2003WO2003106844A1 A ultrahigh vacuum pump and a hydraulic method for compressing gas into water in three dimensions
12/23/2003US6666017 Counterrotatable booster compressor assembly for a gas turbine engine
12/18/2003US20030231958 Method and apparatus for portable ventilation system
12/17/2003EP1281007B1 Machine, preferably a vacuum pump, with magnetic bearings
12/16/2003US6664683 Motor and turbo-molecular pump
12/09/2003US6661143 Bearing unit with magnetic bearing protection upon rotation stoppage
12/09/2003US6658920 Leak detector pump
12/04/2003WO2003100259A1 Variable speed vacuum pump control method and apparatus
12/04/2003US20030223860 Vacuum pump
12/04/2003US20030223859 Turbine pump with a stator stage integrated with a spacer ring
12/03/2003CN1459556A Returnable pressurzing air compressor for gas turbine
12/02/2003US6655938 Screw-type dry vacuum pump having an enlarged casing portion
11/2003
11/27/2003US20030219342 Speed control of variable speed control pump
11/27/2003US20030219337 Pumping stage for a vacuum pump
11/27/2003US20030217546 Counterrotatable booster compressor assembly for a gas turbine engine
11/26/2003EP1365154A2 Counterrotatable booster compressor assembly for a gas turbine engine
11/19/2003EP1363027A1 Vacuum pump
11/12/2003EP1361366A2 Pumping stage for a vacuum pump
11/11/2003US6644938 Turbo molecular pump
11/11/2003US6644912 Gas friction pump
11/05/2003CN1453466A Reverse rotary aero-gas turbine of air-compressor with high general pressure ratio
11/05/2003CN1453452A Compressor with multi-stage axial structure mode
11/04/2003US6641376 Friction vacuum pump
10/2003
10/30/2003WO2003078838B1 Vacuum pump control device, and vacuum device
10/30/2003DE20312448U1 Ventilator fan for electronic equipment has support ribs with cambered profile optimizing airflow to oncoming fan blades
10/29/2003EP1357295A2 Multi-stage axial flow compressor
10/28/2003US6638010 Gas friction pump
10/22/2003EP1354138A1 Turbomolecular vacuum pump with rotor and stator vanes
10/08/2003EP1350032A2 Turbo-molecular pump
10/07/2003US6629824 Vacuum pump
10/02/2003US20030185667 Pump embodied as a side channel pump
10/02/2003US20030185272 Radiation temperature measuring apparatus and turbo-molecular pump equipped with the same
10/02/2003US20030183433 Bi-directional automotive cooling fan
10/01/2003EP1348940A2 Radiation temperature measuring apparatus and turbo-molecular pump equipped with the same
09/2003
09/30/2003US6627837 Method of manufacturing a stator stage for a turbine pump
09/30/2003US6626639 Vacuum pump
09/25/2003WO2003078845A1 Vacuum pumps with improved impeller configurations
09/25/2003WO2003078838A1 Vacuum pump control device, and vacuum device
09/25/2003US20030180162 Vacuum pump
09/24/2003EP0834022B2 Axial fan assembly
09/18/2003WO2003076810A1 Turbomolecular pump with a high-vacuum sided circular suction surface
09/18/2003WO2003076809A1 Method for producing the rotor of a drag vacuum pump and a rotor produced according to this method
09/18/2003US20030175132 Vacuum pump
09/18/2003US20030175131 Vacuum pump
09/18/2003US20030175126 Flywheel system with parallel pumping arrangement
09/18/2003US20030175115 Vacuum pump
09/18/2003US20030175114 Vacuum pump
09/18/2003US20030175113 Turbo-molecular pump
09/18/2003US20030175112 Vacuum pump system and vacuum pump RPM control method
09/17/2003EP1344941A1 RPM control for a vacuum pump system
09/17/2003EP1344940A1 Vacuum pump
09/17/2003EP1344939A1 Vacuum pump
09/17/2003CN1442618A Axial flow liquid compression device
09/16/2003US6619911 Friction vacuum pump with a stator and a rotor
09/11/2003US20030170132 Machine, preferably a vacuum pump, with magnetic bearings
09/09/2003US6617733 Magnetic bearing apparatus and vacuum pump having magnetic bearing apparatus
09/04/2003US20030163983 Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor
09/03/2003EP1341291A2 Machine with rotor for high rotational speed
09/03/2003EP1340918A1 Turbomolecular pump
09/03/2003EP1340903A2 Counter rotating aircraft gas turbine engine
08/2003
08/28/2003US20030161733 Pump apparatus
08/28/2003US20030160528 Machine with a high-speed rotor
08/27/2003EP1338801A1 Fan and fan drive and assembly thereof
08/21/2003WO2002013652A9 Motorless compressor
08/21/2003US20030155830 Magnetic bearing with damping
08/19/2003US6607365 Vacuum pump and vacuum apparatus
08/19/2003US6607351 Vacuum pumps with improved impeller configurations
08/14/2003DE10211134C1 Turbomolecular pump for low pressure applications has coaxial central opening providing free access to center
08/12/2003US6604918 Turbomolecular pump
08/05/2003US6601570 Self contained air flow and ionization method, apparatus and design for internal combustion engines
07/2003
07/30/2003EP1330607A1 Axial flow turbo compressor
07/30/2003EP1330606A1 Mechanical kinetic vacuum pump
07/30/2003EP1330605A1 Mechanical kinetic vacuum pump with rotor and shaft
07/30/2003CN1432738A 真空泵 Vacuum pump
07/29/2003US6599108 Vacuum pump
07/29/2003US6599084 Rotor fixture for a friction vacuum pump
07/23/2003CN1115488C Friction vacuum pump with stator and rotor
07/16/2003CN1429994A 真空泵 Vacuum pump
07/15/2003US6591873 Turbo fan aspirator
07/15/2003US6591851 Seal-gas valve device
07/10/2003WO2003056187A1 Method for coating objects
07/10/2003WO2003056186A1 Gas pump
07/10/2003US20030129053 Vacuum pump
07/08/2003US6589016 Low speed cooling fan
07/08/2003US6589009 Turbo-molecular pump
07/01/2003US6585480 Turbo-molecular pump
06/2003
06/25/2003EP1321677A1 Vacuum pump
06/25/2003EP1320685A1 Multi-stage impeller
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