| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
|---|
| 09/11/2002 | CN1090720C Fan speed controller and control method |
| 09/10/2002 | US6447241 Method and apparatus for expanding operating range of centrifugal compressor |
| 09/05/2002 | US20020122733 Serial fan |
| 09/03/2002 | US6445148 Structure of plural motor assembly and method for controlling the same |
| 09/03/2002 | US6442941 Compressor discharge bleed air circuit in gas turbine plants and related method |
| 08/29/2002 | US20020119408 Fluid delivery device, particularly for delivery of combustion air to a heating burner of a motor vehicle |
| 08/29/2002 | US20020119050 Multi-stage variable speed compressor |
| 08/29/2002 | US20020116926 Exhaust gas turbocharger for an internal combustion engine and a corresponding method |
| 08/28/2002 | CN2508025Y Inflating machine capable of controlling inflating and deflating of inflated cushion |
| 08/27/2002 | US6439850 Variable pitch fan |
| 08/27/2002 | US6438960 Engine stall and distortion suppression system |
| 08/27/2002 | US6438941 Bifurcated splitter for variable bleed flow |
| 08/21/2002 | EP0777828B1 Compressor stall avoidance |
| 08/20/2002 | US6438484 Method and apparatus for detecting and compensating for compressor surge in a gas turbine using remote monitoring and diagnostics |
| 08/20/2002 | US6435819 Turbo machines |
| 08/15/2002 | US20020110457 Fan motor with constant speed control by a microprocessor system |
| 08/15/2002 | US20020109475 Variable speed fan motor controlled by a reference voltage |
| 08/15/2002 | US20020108659 Device for controlling the output of rotary compressors |
| 08/14/2002 | DE10101347A1 Verfahren zur Regelung der Drehzahl eines Lüfters für elektronische Bauteile oder Geräte in einem Kraftfahrzeug A method for controlling the speed of a fan for electronic components or devices in a motor vehicle |
| 08/14/2002 | CN1089143C Turbomachinery with variable-angle fluid guiding vanes |
| 08/14/2002 | CN1089141C Stepless fan speed temperature controller and control method |
| 08/08/2002 | US20020106274 Compressor, in particular for an internal combustion engine |
| 08/08/2002 | US20020104320 Electronically controlled cryopump |
| 08/08/2002 | US20020104317 Method of operation of gas turbine engine |
| 08/08/2002 | DE10105456A1 Verdichter, insbesondere für eine Brennkraftmaschine Compressor, in particular for an internal combustion engine |
| 08/07/2002 | EP1228317A1 Axial fan |
| 08/06/2002 | US6428282 System with fan speed synchronization control |
| 08/06/2002 | US6428271 Compressor endwall bleed system |
| 08/06/2002 | US6427464 Hot gas bypass control for centrifugal chillers |
| 07/25/2002 | WO2002057655A1 Toroidal continuously variable transmission |
| 07/25/2002 | US20020098092 Vacuum pump |
| 07/25/2002 | DE10134021A1 Instability detecting device for turbo compressor, senses pressure difference between pressure discharge ports and detects compressor's operation within unstable operational range |
| 07/24/2002 | EP1225318A2 Method for controlling the rotation speed of a fan for electronic components or devices in a motor vehicle |
| 07/23/2002 | US6422814 Fan brake for removable module |
| 07/18/2002 | US20020094746 Blowing doll |
| 07/18/2002 | US20020094280 Backup heat-dissipating system |
| 07/18/2002 | US20020094277 Electronically controlled vacuum pump |
| 07/18/2002 | US20020094267 Instability detecting device for turbo compressors |
| 07/18/2002 | US20020093299 Motor fan control apparatus |
| 07/17/2002 | EP0817917B1 Circulating blower, vacuum pump or the like |
| 07/17/2002 | CN2500845Y Ultra-silent ultra-thin blowing air conditioning device |
| 07/16/2002 | US6419455 System for regulating pressure in a vacuum chamber, vacuum pumping unit equipped with same |
| 07/11/2002 | WO2002040844A3 Method and apparatus for turbogenerator anti-surge control |
| 07/11/2002 | US20020090309 Vacuum pump |
| 07/10/2002 | EP1221766A2 Motor fan control apparatus |
| 07/10/2002 | CN2499605Y Centrifugal refrigeration compressor |
| 07/10/2002 | CN1087405C Surge detection device |
| 07/09/2002 | US6416290 Turbo molecular pump |
| 07/09/2002 | US6415984 Automatic occupancy and temperature control for ceiling fan operation |
| 07/09/2002 | CA2205211C Variable pipe diffuser for centrifugal compressor |
| 07/04/2002 | US20020085925 System and method for protecting turbine and compressor during shutdown |
| 07/03/2002 | EP1219777A2 Methods and apparatus for controlling bearing loads |
| 07/02/2002 | US6412509 Passive surge control method for compression systems and relative device |
| 06/27/2002 | WO2002051227A1 Fan protection |
| 06/27/2002 | US20020081190 Methods and apparatus for controlling bearing loads within bearing assemblies |
| 06/26/2002 | CN2497085Y Water-heating pump |
| 06/26/2002 | CN1355869A Supercharging system for gas turbines |
| 06/25/2002 | US6409470 Tip treatment bars in a gas turbine engine |
| 06/20/2002 | US20020075615 Fan protection |
| 06/20/2002 | DE10065193A1 Electrical power control unit for fan motor has polymer positive temperature coefficient overheating protection element in fan circuit and in cooling flow of medium produced by fan motor |
| 06/19/2002 | CN1354819A Gas turbine engine |
| 06/18/2002 | US6406268 Control of a compressor unit |
| 06/13/2002 | US20020072876 Method for evaluating compressor stall/surge margin requirements |
| 06/12/2002 | EP1213482A1 Vacuum pump |
| 06/05/2002 | EP1211424A2 Vacuum pump |
| 06/04/2002 | US6400113 Apparatus and method for monitoring fan speeds within a computing system |
| 06/04/2002 | US6398505 Cooling apparatus and cooling system for realizing efficient cooling |
| 06/04/2002 | US6398491 Multistage turbocompressor |
| 05/30/2002 | US20020062679 Method and apparatus of molecular weight determination for gases flowing through the compressor |
| 05/29/2002 | EP0891522A4 Methods and apparatuses for detecting surge in centrifugal compressors |
| 05/29/2002 | CN1351231A Automatic controller for air-exchanging fan and air-exchanging fan therewith |
| 05/28/2002 | US6396231 Fan motor having two-stage speed control |
| 05/28/2002 | US6394764 Gas compression system and method utilizing gas seal control |
| 05/28/2002 | US6394751 Radial compressor with wall slits |
| 05/28/2002 | US6394120 Method and control system for controlling multiple compressors |
| 05/23/2002 | WO2002040844A2 Method and apparatus for turbogenerator anti-surge control |
| 05/22/2002 | EP1207310A1 Turbo fluid machinery and dry gas seal used for the machinery |
| 05/22/2002 | EP1207309A2 A compound motor and operational method thereof |
| 05/22/2002 | EP1206634A1 Supercharging system for gas turbines |
| 05/16/2002 | WO2002038963A1 Active compressor stability control |
| 05/15/2002 | CN1084849C turbomachinery with variable angle fluid guiding devices |
| 05/09/2002 | US20020054815 Turbo-molecular pump |
| 05/09/2002 | US20020053848 Compound motor and operational method thereof |
| 05/08/2002 | EP0916026B1 Process for regulating a unit or a frequency converter |
| 05/07/2002 | US6385395 Fan motor with its speed controlled by operating periods of a pulse wave |
| 05/02/2002 | US20020050577 Device and method for detecting the drive state of a turbo pump in a tendetron accelerator of an ion implantation device |
| 05/02/2002 | EP1200741A1 Turbocharger |
| 05/01/2002 | CN2489122Y Automatic axial flow ventilator |
| 04/30/2002 | US6380704 Fan linear speed controller |
| 04/30/2002 | US6379122 System and method for automatic thermal protection of a fluid compressing system |
| 04/24/2002 | EP1198871A1 Malfunction detection of a machine driven by an electric motor |
| 04/23/2002 | US6377876 Locomotive diagnostic system |
| 04/17/2002 | CN1083069C Pressed air supplying device |
| 04/17/2002 | CN1083068C Process for controlling voltage of fan in electrical equipment |
| 04/16/2002 | US6370772 Method of forming a track for an axial flow gas turbine |
| 04/11/2002 | US20020041805 Turbo Machines |
| 04/11/2002 | DE10049198A1 Exhaust gas turbosupercharger has adjustable locking member in compressor inlet channel upstream of compressor vane wheel |
| 04/11/2002 | DE10047629A1 Method for operating compressors in refrigeration and air-conditioning installations, involves using two-pole asynchronous motors to drive compressors |
| 04/09/2002 | US6368064 Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans |
| 04/04/2002 | DE10042525A1 Control device for cooling fan of drive device driven by electric motor has voltage from generator supplied via first connection to cooling fan plus second connection after first connection on-board voltage |