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)
09/2003
09/17/2003EP1344941A1 RPM control for a vacuum pump system
09/17/2003EP1344939A1 Vacuum pump
09/17/2003CN2573733Y Electric fan capable of imitating hand fan
09/16/2003US6619916 Methods and apparatus for varying gas turbine engine inlet air flow
09/16/2003US6619909 Casing treatment for a fluid compressor
09/16/2003US6619072 Turbocompressor and refrigerating machine
09/10/2003EP1155225B1 Combustion unit for combusting a liquid fuel and a power generating system comprising such combustion unit
09/10/2003CN2572067Y Speed regulator for fan
09/10/2003CN2572066Y Automatic switching device for double fan blower
09/10/2003CN2572065Y Radiation fan with temp. sensor
09/10/2003CN2572064Y Ceiling fan capable of imitating nature wind
09/09/2003US6618693 Method and apparatus for non-intrusive monitoring of rotating components
09/04/2003WO2003072949A1 Anti-stall tip treatment means for turbo-compressors
09/04/2003WO2003072910A1 Recirculation structure for turbo chargers
09/04/2003DE20308609U1 Electric pump, for air mattress, engages piston rod in air nozzle of valve and has motor driven turbine
09/03/2003EP1341291A2 Machine with rotor for high rotational speed
09/03/2003EP1340919A2 Method for controlling a set of turbomachines in series or parallel
09/03/2003EP1340918A1 Turbomolecular pump
09/03/2003EP1340894A2 Variable inlet guide vanes for varying gas turbine engine inlet air flow
09/03/2003CN2570505Y Ceiling fan with temperature regulating air
09/02/2003US6614194 Motor fan control apparatus
09/02/2003US6612817 Serial fan
08/2003
08/28/2003WO2003071136A1 Side-channel blower
08/28/2003WO2003070498A1 Control system of air conditioner for vehicle
08/28/2003WO2003038283A3 Smoke protection for rooms
08/28/2003US20030161733 Pump apparatus
08/28/2003US20030161731 Process for controlling a plurality of turbo engines in parallel or tandem operation
08/28/2003US20030161724 Methods and apparatus for varying gas turbine engine inlet air flow
08/28/2003US20030161715 Method and apparatus for detecting the occurrence of surge in a centrifugal compressor
08/28/2003US20030160528 Machine with a high-speed rotor
08/27/2003CN2568850Y Inflatable dischargable and regulatable electric inflator for air bed
08/27/2003CN1119532C Compressor
08/26/2003US6611071 Embedded electronics for high convection cooling in an engine cooling motor application
08/26/2003CA2072441C Lawn mower
08/21/2003US20030156941 Dual-chamber air pump
08/20/2003CN1436918A Fluid machinery with high pressure and lower pressure sectors
08/19/2003US6607365 Vacuum pump and vacuum apparatus
08/14/2003US20030152456 Gas turbine
08/13/2003EP1335136A1 Flow guiding system along the walls of the flow canal of a compressor
08/13/2003EP1335110A1 Turbomachine with high and low pressure blade sections
08/07/2003WO2003065565A1 Rotational speed control system, rotatingly driving system, air blow system, clean bench, and outdoor unit of air conditioner
08/05/2003US6602057 Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable
07/2003
07/31/2003US20030143066 Device for controlling a variable-angle vane via a slack-free connection
07/31/2003US20030140643 Drive apparatus for cooling fan motor for use in vehicle
07/30/2003EP1331402A1 Stator blade control apparatus
07/30/2003EP1115963B1 Gas turbine engine
07/30/2003CN2563336Y Multiple air path controlling mechanism
07/30/2003CN2563335Y Automatic fan temperature switch
07/30/2003CN2563334Y Heat radiation fan with hand requlating design rotary speed
07/29/2003US6599108 Vacuum pump
07/24/2003US20030138317 Casing treatment for a fluid compressor
07/24/2003US20030137267 Fan speed control system
07/24/2003DE20308474U1 Air cooling system for a computer is maintained on for a selected time period after computer shut down
07/23/2003EP1329591A1 Axial compressor disc for a turbomachine with a centripetal air-bleed system
07/23/2003CN2561977Y Fans
07/23/2003CN1115489C Anti-reversal device for compressor
07/22/2003CA2251054C Methods and apparatuses for detecting surge in centrifugal compressors
07/17/2003US20030133788 Axial compressor disk for a turbomachine with centripetal air bleed
07/17/2003US20030133242 Engine cooling fan control system
07/17/2003US20030131605 Adaptive acceleration schedules for gas turbine engine control systems
07/17/2003US20030131596 Exhaust-gas turbocharger for an internal combustion engine, and method for operating a turbocharged internal combustion engine
07/16/2003CN2560777Y Manual stepless speed-regulating fan
07/16/2003CN1114807C Combination valve for screw compressors
07/15/2003US6593717 Apparatus and method for controlling cooling fan for vehicle
07/15/2003US6592340 Control system for a vacuum pump used for removing liquid and a method of controlling said pump
07/15/2003US6592099 Silting prevention controller
07/15/2003US6591851 Seal-gas valve device
07/09/2003CN2559814Y 风扇 Fan
07/09/2003CN1428583A Compressor for refrigerator
07/08/2003US6589009 Turbo-molecular pump
07/08/2003US6588195 Bleed valve of a compressor, in particular a compressor of a bypass aero-engine
07/03/2003WO2003055030A1 Method for detecting a defective cooling fan and for generating an alarm signal
07/02/2003EP1323927A1 Method for detecting compressor surging of a turbocharger
07/01/2003US6585480 Turbo-molecular pump
07/01/2003US6585479 Casing treatment for compressors
06/2003
06/26/2003WO2003052276A1 Compressor unit with control system
06/26/2003US20030115870 Exhaust-gas turbocharger in an internal combustion engine
06/26/2003CA2470046A1 Compressor unit with control system
06/25/2003EP1321679A1 Drive position mechanism with backlash adjustment for variable pipe diffuser
06/25/2003EP1320789A1 Process and device for flow control of an electrical motor fan
06/25/2003EP1131561B1 Compressor casing configuration
06/24/2003US6582189 Turbo machines
06/24/2003US6582183 Method and system of flutter control for rotary compression systems
06/24/2003US6581399 Apparatus and method for controlling a magnetic bearing centrifugal chiller
06/19/2003US20030113215 Reverse rotation preventing structure of centrifugal compressor
06/19/2003US20030113214 Pressure ratio modulation for a two stage oil free compressor assembly
06/18/2003EP1319841A2 Valve for rotary compressors
06/18/2003EP1319132A1 High-pressure multi-stage centrifugal compressor
06/18/2003CN2556402Y Intelligent controller for ventilating equipment
06/10/2003US6577117 Rotation sensing device of fan apparatus adapted to chamber of handler
06/10/2003US6574965 Rotor tip bleed in gas turbine engines
06/04/2003EP1316699A2 Turbocharger for an internal combustion engine and method for operating a turbocharged internal combustion engine
06/04/2003EP1316695A1 Fan control of a cooling system of an internal combustion engine
06/04/2003CN1421614A Fan rotation speed controlling system
06/03/2003US6574584 Method for evaluating compressor stall/surge margin requirements
05/2003
05/30/2003WO2003044353A1 Method and apparatus for adaptive acceleration schedules in gas turbine engine control systems
05/28/2003EP1314893A1 Vacuum pump
05/28/2003EP1314892A1 Vacuum pump
05/28/2003CN1421117A Fan Speed control system
05/28/2003CN1420282A Cooling system and method
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