| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
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| 04/04/2002 | DE10010623C2 Gebläse zum Erzeugen eines in den Innenraum eines Fahrzeuges zu leitenden Luftstroms und Klimaanlage für ein Fahrzeug mit einem solchen Gebläse Blower for generating a in the interior of a vehicle to conducting the air flow and air conditioner for a vehicle having such a blower |
| 04/03/2002 | CN2484422Y Spare radiating device of series fan |
| 04/02/2002 | US6364602 Method of air-flow measurement and active operating limit line management for compressor surge avoidance |
| 03/28/2002 | WO2002025117A1 High-pressure multi-stage centrifugal compressor |
| 03/28/2002 | DE10126809A1 Vorrichtung und Verfahren zum Steuern einer Lüftungseinrichtung Apparatus and method for controlling a vent |
| 03/28/2002 | DE10041915A1 Diesel motor cooling system for utility vehicle e.g. truck, has separate power supply with specified nominal operating voltage, provided for wheelhub motor driving ventilator |
| 03/27/2002 | EP0871818A4 Surge recurrence prevention control system for dynamic compressors |
| 03/27/2002 | CN2483541Y Intelligent wind controller for electric fan |
| 03/27/2002 | CN2483540Y Automatic speed reducing device for electric fan |
| 03/27/2002 | CN2483539Y Radiator with double fan |
| 03/26/2002 | CA2231443C Surge prevention control system for dynamic compressors |
| 03/21/2002 | WO2002023298A1 Process and device for flow control of an electrical motor fan |
| 03/21/2002 | US20020034442 Household apparatus |
| 03/20/2002 | EP1188930A1 Fan device, in particular radial fan device |
| 03/13/2002 | EP1186780A1 Fan for mounting in a motor vehicle |
| 03/13/2002 | EP1186761A2 Energy recovery from compressor discharge bleed air in gas turbine plants |
| 03/13/2002 | CN2481883Y Full-automatic cold air and hot air fan |
| 03/13/2002 | CN1340145A Adaptive hot gas bypass control for centrifugal chillers |
| 03/12/2002 | US6354806 Compressor incipient surge detection system |
| 03/07/2002 | US20020028145 Gas compression system and method utilizing gas seal control |
| 03/07/2002 | US20020028132 Turbo-molecular pump |
| 03/06/2002 | CN1338575A Anti-reversal device for compressor |
| 03/06/2002 | CN1080392C Method for controlling function of centrifugal pump and vacuum pump combination, and gas separating centrifugal pump |
| 03/05/2002 | US6353303 Control algorithm for induction motor/blower system |
| 03/05/2002 | US6353302 Speed computation function for induction motor/blower systems control algorithm |
| 03/05/2002 | US6353299 Control algorithm for brushless DC motor/blower system |
| 02/28/2002 | US20020025249 Vacuum pump |
| 02/28/2002 | DE10131402A1 Extern gesteuerte Lüfterkupplungsvorrichtung Externally controlled fan clutch device |
| 02/27/2002 | EP1181483A1 Seal-gas valve device |
| 02/26/2002 | CA2233381C Fan system with variable air volume control |
| 02/20/2002 | CN1336527A Turbine compressor and refrigerator |
| 02/13/2002 | CN1335585A Electric fan regulation identifier display |
| 02/07/2002 | US20020014873 Apparatus and method for controlling cooling fan for vehicle |
| 02/07/2002 | US20020014804 Eddy current fan drive |
| 02/07/2002 | US20020014088 Turbocompressor and refrigerating machine |
| 02/06/2002 | CN1334406A Fan with cyclic timing function |
| 02/06/2002 | CN1078934C Surge recurrence prevention control system for dynamic compressors |
| 02/05/2002 | US6343910 Turbo-molecular pump |
| 01/31/2002 | US20020012586 Compressor |
| 01/30/2002 | CN2474761Y Remote controlled suspension fan |
| 01/30/2002 | CN1078682C Fan control method and device |
| 01/29/2002 | CA2199875C Combined bleed valve and annular diffuser for gas turbine inter compressor duct |
| 01/24/2002 | DE10034127A1 Periodic revs altering device has control unit producing signal by which revs e.g. of ventilating fan are periodically altered |
| 01/22/2002 | US6341238 Robust engine variable vane monitor logic |
| 01/16/2002 | CN2471984Y Electric fun motor with frequency speed control |
| 01/10/2002 | US20020004004 Exhaust turbocharger for an internal combustion engine |
| 01/10/2002 | US20020004002 Turbo machines |
| 01/10/2002 | US20020003075 Externally controlled fan coupling device |
| 01/10/2002 | DE10030630A1 Monitoring fan speed involves determining revolution rate measurement value and comparing with reference value to determine whether fan is in sufficiently stationary state |
| 01/09/2002 | EP0723625B1 Active tip flow bypass in stator vane channel |
| 01/09/2002 | CN1330229A In-line predication and adaptive regulation method and device for surge of compression system |
| 01/09/2002 | CN1077736C 电动驱动装置 Electric drive means |
| 01/09/2002 | CN1077659C Centrifugal compressor with recirculating diffuser |
| 01/08/2002 | US6337949 System for controlling an electric motor of a fan associated with heat exchangers in a motor vehicle |
| 01/08/2002 | US6336592 Thermal control for a test and measurement instrument |
| 01/03/2002 | US20020001519 Control arrangement |
| 01/03/2002 | US20020000086 Tip treatment bars in a gas turbine engine |
| 01/02/2002 | EP1167772A1 Vacuum pump |
| 01/02/2002 | CN2469222Y Inducted draft fan placed on top of chimney |
| 01/02/2002 | CN2469221Y Switch box for ceiling fan |
| 01/02/2002 | CN2469220Y Local part ventilation machine monitoring device |
| 01/02/2002 | CN1329218A Surge detector and turbomachine thereof |
| 01/02/2002 | CN1077245C Electronic automatic controller for water pump |
| 12/25/2001 | US6332752 Turbo-molecular pump |
| 12/25/2001 | US6332463 Flow estimation and compensation of flow-induced pressure swings in CPAP treatment and assisted respiration |
| 12/19/2001 | CN2466394Y Axial flow fan structure |
| 12/18/2001 | CA2048829C High pressure compressor flowpath bleed valve extraction slot |
| 12/11/2001 | US6328526 Gas turbine starting method |
| 12/11/2001 | US6327844 Methods and apparatus for retaining flow restrictors within turbine engines |
| 12/05/2001 | CN2463572Y Fan-type air volume regulating end device |
| 12/05/2001 | CN1324988A Combined vane wheel type centrifugal pump and centrifugal blower |
| 12/04/2001 | US6327425 Regulator for heating and air conditioning appliances in motor vehicles |
| 12/04/2001 | US6325595 High recovery multi-use bleed |
| 11/29/2001 | WO2001071194A8 Curved blower conduit |
| 11/28/2001 | EP1157214A1 Compressor bleeding using an uninterrupted annular slot |
| 11/28/2001 | EP0830511B1 Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump |
| 11/28/2001 | CN1324433A Gas turbine engine |
| 11/27/2001 | US6323611 Circuit for operating an electric motor |
| 11/22/2001 | US20010042849 Silting prevention controller |
| 11/22/2001 | US20010042368 Bleed valve of a compressor, in particular a compressor of a bypass aero-engine |
| 11/21/2001 | EP1155225A1 Combustion unit for combusting a liquid fuel and a power generating system comprising such combustion unit |
| 11/20/2001 | US6318965 Intelligent internal fan controller |
| 11/20/2001 | US6318093 Electronically controlled cryopump |
| 11/15/2001 | DE10021503A1 Circuit for detecting pulses superimposed on direct voltage, has comparator receiving input signal, up/down counter receiving comparator output, digital-to-analog converter, evaluation device |
| 11/14/2001 | EP0939923B1 Method for detecting the occurrence of surge in a centrifugal compressor |
| 11/13/2001 | US6317655 Method and apparatus for estimating a surge limit line for configuring an antisurge controller |
| 11/08/2001 | WO2001083960A1 Eddy current fan drive |
| 11/07/2001 | EP1151230A1 Adaptive hot gas bypass control for centrifugal chillers |
| 11/07/2001 | CN1074511C Turbomachinery having variable angle flow guiding device |
| 10/31/2001 | CN2457789Y AC air-blower control circuit |
| 10/31/2001 | CN2457788Y AC pump control circuit for boiler |
| 10/31/2001 | CN1074096C Apparatus for preventing reverse operation of compressor |
| 10/30/2001 | US6310453 Drive circuit for a speed adjustable fan |
| 10/30/2001 | US6308375 Organic debris collection device with curved blower conduit |
| 10/30/2001 | CA2231444C Surge recurrence prevention control system for dynamic compressors |
| 10/25/2001 | US20010033147 System specific fluid flow control with induction motor drive |
| 10/24/2001 | EP1147319A1 Electromotive drive |
| 10/24/2001 | EP1147291A2 Compressor endwall bleed system |
| 10/24/2001 | CN2455948Y Program controlled electric fan with induction chip |
| 10/23/2001 | US6305157 Gas turbine engine |