Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids
Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
05/2003
05/22/2003US20030095863 Vacuum pump
05/22/2003US20030095862 Vacuum pump
05/22/2003US20030095861 Vacuum pump
05/22/2003US20030094007 Cooling system and cooling method
05/21/2003EP1312806A2 Method of engine surge discrimination
05/21/2003EP1312804A1 Vacuum pump
05/21/2003CN2551789Y Stable revolution multi-rotor ceiling fan structure
05/15/2003WO2003040568A1 Vacuum pump
05/15/2003US20030093211 Method of engine surge discrimination
05/15/2003US20030091441 Fan control system using a microcontroller
05/15/2003US20030091344 Drive unit
05/15/2003CA2466571A1 A vacuum pump
05/08/2003WO2003038283A2 Smoke protection for rooms
05/08/2003WO2003038282A1 Warning before pump limit or in case of blade failure on a turbomachine
05/07/2003CN2549221Y Powder discharging fan
05/07/2003CN2549220Y Adjustable miniature electromagnetic pump
05/07/2003CN1415862A Switching unit of radiator system
05/06/2003US6558113 Process and device for regulating a turbocompressor to prevent surge
05/06/2003US6557400 Surge bleed valve fault detection
05/02/2003EP1306556A2 Molecular pump
05/01/2003WO2003036096A1 Method for optimizing the operation of several compressor units in a natural gas compression station
04/2003
04/30/2003CN2547919Y 落地扇 Stand Fan
04/29/2003US6554568 Exhaust turbocharger for an internal combustion engine
04/24/2003US20030077187 Molecular pump for forming a vacuum
04/24/2003US20030077164 Regenerative pumps
04/24/2003US20030077163 Method and system of flutter control for rotary compression systems
04/23/2003CN2546666Y Compressing system surge on-line forecast and self-adaption regulator
04/22/2003US6551068 Process for protecting a turbocompressor from operating in the unstable working range
04/22/2003US6551065 Fan protection device
04/22/2003US6550596 Externally controlled fan coupling device
04/22/2003CA2135469C Method and apparatus for controlling variable pitch blades in a rotor
04/17/2003WO2003016668A3 Cooling fan, in particular for motor vehicles
04/16/2003EP1302669A2 Control system for positioning compressor inlet guide vanes
04/16/2003CN2545403Y Blind ceiling-mounted fan
04/16/2003CN1410680A 涡轮压缩机 Turbo Compressor
04/15/2003US6548929 Eddy current fan drive
04/15/2003US6547520 Rotating vane diffuser for a centrifugal compressor
04/10/2003WO2003028841A2 Optimization of multiple compressor trains
04/10/2003US20030066294 Control system for positioning compressor inlet guide vanes
04/09/2003CN1105275C Compressor for use in refrigerator
04/08/2003US6543992 Control arrangement
04/08/2003US6543234 Compressor discharge bleed air circuit in gas turbine plants and related method
04/03/2003US20030065426 Fan unit, motherboard, and electronic equipment
04/03/2003US20030064676 Method and apparatus for controlling variable air volume supply fans in heating, ventilating, and air-conditioning systems
04/03/2003US20030063981 Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable
04/03/2003US20030061879 Variable speed fan motor equipped with abnormal rotational speed detection means
04/02/2003EP0842361B1 Circulator pump check valve
04/02/2003CN1407711A Speed control circuit of brushless direct-current fan motor
04/01/2003US6540480 Compressor
03/2003
03/27/2003US20030060989 Method for calculating characteristic curve of centrifugal fluid machine by computer
03/27/2003US20030059315 Turbo compressor
03/27/2003US20030057904 Process and device for feedback-controlling rotary machines
03/26/2003EP1147291A4 Compressor endwall bleed system
03/26/2003CN2541636Y Electrical fan with speech indication and remote control receiving function
03/26/2003CN1405456A Multi-compressor control method and compressor system
03/25/2003US6536284 Method and apparatus for compressor control and operation via detection of stall precursors using frequency demodulation of acoustic signatures
03/20/2003US20030053913 Multifan-equipped apparatus, and method of controlling operation of fan-unit assembly of the apparatus
03/20/2003US20030053906 Control method of plural compressors and compressor system
03/20/2003US20030051487 Electronically controlled cryopump
03/19/2003CN1404707A Fan protection
03/19/2003CN1403716A Centrifugal refrigerating compressor
03/19/2003CN1103410C Electric shutter type ventilating fan
03/18/2003US6533551 Household apparatus
03/13/2003WO2003021123A1 Device and method used to automatically compensate for synchronous disturbances
03/12/2003CN2539854Y Pull rod mechanism for controlling head-shaking switch of fan
03/11/2003US6532433 Method and apparatus for continuous prediction, monitoring and control of compressor health via detection of precursors to rotating stall and surge
03/11/2003CA2107349C Turbomachine
03/06/2003US20030042860 System and method of controlling airflow in an air delivery system
03/05/2003EP1288503A1 Compressor apparatus
03/04/2003US6527509 Turbo machines
02/2003
02/27/2003WO2003016668A2 Cooling fan, in particular for motor vehicles
02/27/2003US20030038550 Device for detecting the rotating speed of a fan motor
02/26/2003EP1286458A1 Method and device to control a rotary power unit
02/26/2003EP1286022A1 Casing treatment for compressors
02/25/2003US6524059 Turbo fluid machinery and dry gas seal used for the machinery
02/22/2003CA2399327A1 Process and device for feedback-controlling rotary machines
02/20/2003US20030035715 Casing treatment for compressors
02/20/2003US20030034702 Embedded electronics for high convection cooling in an engine colling motor application
02/19/2003CN1397737A Fluid compression system with less-stage compressor instead of multi-stage compressor
02/18/2003US6519943 Engine stall and distortion suppression system
02/13/2003US20030031552 Method for selecting centrifugal fluid machine by computer
02/11/2003US6517311 Turbo-compressor
02/06/2003US20030026695 Compressor casing structure
02/04/2003US6514039 Processing tip treatment bars in a gas turbine engine
01/2003
01/30/2003US20030021673 Vacuum pump
01/28/2003CA2039962C Air vent closure system
01/23/2003US20030017047 Turbo-molecular pump
01/22/2003EP1277967A1 Compressor casing structure
01/22/2003CN2532283Y Air pump
01/22/2003CN2532282Y Air pump
01/16/2003US20030011199 Method and operational strategy for controlling variable stator vanes of a gas turbine power generator compressor component during under-frequency events
01/16/2003US20030010502 Method and system for optimizing the performance of a rotodynamic multi-phase flow booster
01/15/2003EP1275852A2 Turbocharger in a combustion engine
01/15/2003EP1275851A1 Fan control
01/15/2003CN2531144Y Pedal control switch for electric fan
01/14/2003US6506010 Method and apparatus for compressor control and operation in industrial gas turbines using stall precursors
01/09/2003WO2003003545A1 Operation monitor for canned motor
01/09/2003US20030009311 Apparatus for predicting life of rotary machine, equipment using the same, method for predicting life and determining repair timing of the same
01/09/2003US20030007860 Stall prediction method for axial flow compressor
01/09/2003US20030005703 Engine stall and distortion suppression system
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