| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
|---|
| 01/08/2003 | EP1273803A2 Vacuum pump |
| 01/08/2003 | CN2530083Y Electronic cold apron |
| 01/08/2003 | CN1389683A Compressor for use in freezer |
| 01/07/2003 | US6503048 Method and apparatus for estimating flow in compressors with sidestreams |
| 01/02/2003 | EP1271759A2 Speed control circuit for a brushless dc motor |
| 01/01/2003 | CN2528980Y Maechanical temp.-control fan |
| 01/01/2003 | CN1097682C Variable pipe diffuser for centrifugal compressor |
| 12/31/2002 | US6499960 Control circuit for a heat-dissipation fan |
| 12/31/2002 | US6499504 Control system for controlling multiple compressors |
| 12/27/2002 | WO2002103209A1 Flow stabilizing device |
| 12/26/2002 | US20020197154 Turbo type fluid machine and dry gas seal for use therefor |
| 12/26/2002 | US20020197068 Speed control circuit of brushless DC fan motor |
| 12/26/2002 | US20020196606 Cooling fan controller and liquid crystal projector |
| 12/25/2002 | CN2527753Y Double regulating and controlling fan airflow device for computer power supply device |
| 12/25/2002 | CN1097176C Air compressor and wall treatment |
| 12/24/2002 | US6497551 Tip treatment bars in a gas turbine engine |
| 12/19/2002 | US20020192078 Variable pitch fan |
| 12/19/2002 | US20020192073 Flow stabilizing device |
| 12/19/2002 | US20020189263 Bleed valve assembly |
| 12/12/2002 | WO2002077462A3 Turbomolecular pump |
| 12/12/2002 | US20020188422 Systems and methods for monitoring the usage and efficiency of air compressors |
| 12/12/2002 | US20020187049 Fan protection device |
| 12/12/2002 | US20020186006 Rotation sensing device of fan apparatus adapted to chamber of handler |
| 12/12/2002 | US20020184951 Method and apparatus for compressor control and operation via detection of stall precursors using frequency demodulation of acoustic signatures |
| 12/12/2002 | US20020184905 Apparatus and method for controlling a magnetic bearing centrifugal chiller |
| 12/05/2002 | US20020182069 Turbo machines |
| 12/04/2002 | CN1095525C Automatic axial flow fan |
| 11/28/2002 | WO2002095237A1 Rotating vane diffuser for a centrifugal compressor |
| 11/28/2002 | US20020177979 Method and apparatus for non-intrusive monitoring of rotating components |
| 11/28/2002 | US20020176774 Rotating vane diffuser for a centrifugal compressor |
| 11/26/2002 | US6485254 Energy dissipating coupling |
| 11/21/2002 | WO2002093015A1 Method for safeguarding an appliance |
| 11/21/2002 | WO2002092982A1 Smart surge bleed valve system and method |
| 11/21/2002 | US20020172589 Vacuum pump |
| 11/21/2002 | US20020170606 Method and control system for controlling multiple compressors |
| 11/21/2002 | US20020170304 Hot gas bypass control for centrifugal chillers |
| 11/21/2002 | US20020170295 Smart surge bleed valve system and method |
| 11/21/2002 | DE10121766A1 Antriebsaggregat Drive unit |
| 11/20/2002 | EP1258634A1 Vacuum pump |
| 11/20/2002 | EP0956447A4 Motor-driven centrifugal air compressor |
| 11/19/2002 | US6483264 Air control system for an air bed |
| 11/19/2002 | US6481978 System and method for protecting turbine and compressor during shutdown |
| 11/19/2002 | US6481974 Fan motor with constant speed control by a microprocessor system |
| 11/19/2002 | US6481388 Cooling fan drive control device |
| 11/19/2002 | US6481210 Smart surge bleed valve system and method |
| 11/14/2002 | WO2002091560A1 Drive unit |
| 11/14/2002 | US20020168260 Optical stall precursor sensor apparatus and method for application on axial flow compressors |
| 11/13/2002 | EP1256726A1 Method and apparatus for continuous prediction, monitoring and control of compressor health via detection of precursors to rotating stall and surge |
| 11/07/2002 | US20020164243 Protective device for a turbo molecular pump and method of protecting a turbo molecular pump |
| 11/05/2002 | US6474949 Evacuating unit with reduced diameter exhaust duct |
| 11/05/2002 | US6474935 Optical stall precursor sensor apparatus and method for application on axial flow compressors |
| 10/31/2002 | US20020161550 Method and apparatus for continuous prediction, monitoring and control of compressor health via detection of precursors to rotating stall and surge |
| 10/31/2002 | US20020158517 Method and apparatus for turbogenerator anti-surge control |
| 10/31/2002 | DE10118224C1 Ventilation fan regulation method, for obtaining volumetric air flow for room ventilation device, uses control device with control voltage for regulating revs using characteristic defining dependency between revs and volumetric flow |
| 10/30/2002 | CN1377056A Device for predetermining service life of rotation machine and method for determining maintenance period |
| 10/29/2002 | US6472843 System specific fluid flow control with induction motor drive |
| 10/24/2002 | US20020155804 Ventilation system for a motor vehicle |
| 10/24/2002 | US20020152753 Fuel mixing in a gas turbine engine |
| 10/22/2002 | US6468051 Helical flow compressor/turbine permanent magnet motor/generator |
| 10/17/2002 | US20020148216 Bleed system driven in simplified manner for a turbojet or turboprop engine |
| 10/16/2002 | EP1250035A1 Fan brake for removable module |
| 10/16/2002 | EP1249618A1 Bleed system for a turbofan with simplified control |
| 10/15/2002 | US6466896 Performance analysis method of centrifugal impeller |
| 10/15/2002 | US6464452 Vacuum pump |
| 10/15/2002 | US6463891 Twin fan control system and method |
| 10/15/2002 | US6463748 Apparatus and method for controlling a magnetic bearing centrifugal chiller |
| 10/10/2002 | DE10116117A1 Cooling thermally loaded structures of power generation system involves regulating partly compressed air pressure or mass flow by injecting water into compressor or induction flow |
| 10/10/2002 | DE10115394A1 Maschinenbauteil und/oder verfahrenstechnische Anlage mit einem Hohlraum und Reinigungsverfahren hierfür Machine component and / or process plant having a cavity and cleaning method therefor |
| 10/10/2002 | DE10114969A1 Turbomolekularpumpe Turbomolecular pump |
| 10/09/2002 | EP1247987A2 Turbo molecular pump |
| 10/09/2002 | EP1247986A1 Method for calculating characteristic curve of centrifugal fluid machine by computer |
| 10/09/2002 | EP1247985A1 Method for selecting centrifugal fluid machine by computer |
| 10/08/2002 | US6462494 Fan with preset characteristic curve |
| 10/08/2002 | US6461113 Electronically controlled vacuum pump |
| 10/08/2002 | US6460351 Electronically controlled cryopump |
| 10/08/2002 | US6460343 Gas turbine engine |
| 10/03/2002 | WO2002077462A2 Turbomolecular pump |
| 10/03/2002 | US20020141879 Hot-pluggable cooling fan system with an interference safety device |
| 10/03/2002 | US20020139180 Surge bleed valve fault detection |
| 10/02/2002 | EP1245832A1 Protective device and method for a turbomolecular pump |
| 10/02/2002 | DE10135003C1 Compressor housing structure in axially, through-flowing moving blade ring for use in pumps |
| 10/02/2002 | DE10113251A1 Druckerzeuger für strömende Medien Pressure generator for flowing media |
| 10/02/2002 | DE10113249A1 Druckerzeuger für strömende Medien Pressure generator for flowing media |
| 10/02/2002 | CN1372620A 涡轮增压器 Turbocharger |
| 10/01/2002 | US6457933 Methods and apparatus for controlling bearing loads within bearing assemblies |
| 09/26/2002 | WO2002075156A1 Pressure generator for flowing media |
| 09/26/2002 | WO2002075155A1 Pressure generator for flowing media |
| 09/25/2002 | EP1242745A1 Method and system for optimizing the performance of a rotodynamic multi-phase flow booster |
| 09/25/2002 | CN1370933A Conveyance amount regulator for rotary compressor |
| 09/24/2002 | US6454524 Vacuum pump and vacuum apparatus |
| 09/24/2002 | US6453674 Method of operation of gas turbine engine |
| 09/24/2002 | US6453659 Device for compressing a gaseous medium and systems comprising such device |
| 09/19/2002 | US20020131877 Turbo molecular pump |
| 09/19/2002 | US20020129608 Compressor discharge bleed air circuit in gas turbine plants and related method |
| 09/19/2002 | US20020129607 Method and apparatus for active control of surge in compressors |
| 09/18/2002 | EP1241358A1 Ventilation unit for motor vehicle with continuous power variation |
| 09/18/2002 | EP0974189B1 Fan cooler |
| 09/17/2002 | US6449877 Air dryer for use in a vehicle wash system |
| 09/12/2002 | DE10201445A1 Back-up heat dissipating system has first controller which outputs signal to second controller for driving second rotor device to rotate at relatively higher speed, when first rotor device is failed |
| 09/12/2002 | DE10109412A1 Fluidfördereinrichtung Fluid conveyor |