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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04/07/1996 | CA2133793A1 Inter compressor duct variable geometry annular diffuser/bleed valve |
04/02/1996 | USRE35199 Air vent closure system |
03/27/1996 | CN1119249A Rotary machine controller and control method thereof |
03/20/1996 | EP0702198A2 Air conditioner |
03/20/1996 | CN1118876A Surge detection device and turbomachinery therewith |
03/14/1996 | WO1996008066A1 Circuit for operating an electric motor |
03/14/1996 | DE4432058A1 Schaltung zum Betreiben eines Elektromotors Circuit for operating an electric motor |
02/28/1996 | EP0698739A1 Bleed air apparatus for turbomachine |
02/28/1996 | EP0593632B1 Radial fan |
02/22/1996 | WO1996005438A1 Bleed valve |
02/14/1996 | EP0696678A2 Prevention of parameter excursions in gas turbines |
02/13/1996 | US5490760 Multishaft geared multishaft turbocompressor with return channel stages and radial expaner |
02/09/1996 | CA2154404A1 Prevention of parameter excursions in gas turbines |
01/24/1996 | CN1115363A Pressed air supplying device |
01/17/1996 | CN1115011A Turbomachinery with variable angle fluid guiding devices |
01/16/1996 | US5484261 System for regulating air supply conditions of a turbo shaft machine |
01/03/1996 | EP0690235A2 Method and apparatus for evacuating vacuum system |
01/02/1996 | US5479818 Process for detecting fouling of an axial compressor |
12/27/1995 | EP0688400A1 Anti-stall tip treatment means |
12/26/1995 | US5479557 Circuit arrangement for power supply of a fan and/or battery by solar generator in a motor vehicle |
12/26/1995 | US5478275 Radial fan |
12/26/1995 | US5478214 Compact redundant cooling module and method |
12/26/1995 | US5477673 Handling bleed valve |
12/13/1995 | EP0686774A1 Turbomachinery with variable angle fluid guiding devices |
12/12/1995 | US5474417 Cast casing treatment for compressor blades |
12/06/1995 | EP0685653A2 Method and apparatus for surge control |
12/06/1995 | EP0685652A2 Surge detection device and turbomachinery therewith |
11/30/1995 | DE19517113A1 Equipment and process to control multistage turbine |
11/24/1995 | CA2149578A1 Turbomachinery with variable angle fluid guiding devices |
11/23/1995 | DE4417468A1 Gas laser appts. |
11/22/1995 | CN1112190A Gas turbine apparatus and method of operating same |
11/20/1995 | CA2149576A1 Surge detection device and turbomachinery therewith |
11/15/1995 | EP0681540A1 Hovercraft. |
11/14/1995 | US5466118 Centrifugal compressor with a flow-stabilizing casing |
11/08/1995 | CN1111320A Exhaust gas turbocharger |
10/31/1995 | US5461860 for an internal combustion engine |
10/17/1995 | US5458457 Turbomachine |
10/11/1995 | EP0676545A2 Surge control method and apparatus |
10/08/1995 | CA2146583A1 Method and apparatus for measuring the distance of a turbocompressor's operating point to the surge limit interface |
10/05/1995 | WO1995026471A1 System including a vacuum pump, measuring device and supply, control, operating and display equipment |
10/05/1995 | DE4410903A1 System mit Vakuumpumpe, Meßgerät sowie Versorgungs-, Steuer-, Bedienungs- und Anzeigeeinrichtungen System with vacuum pump, meter and supply, control, monitoring and display |
09/28/1995 | WO1995025894A1 Process for controlling the driving voltage of a fan in electrical equipment |
09/21/1995 | DE4410735A1 Asynchronous motor speed control, esp. for combustion applications |
09/21/1995 | DE4408805A1 Active fan monitoring for computer ventilators |
09/21/1995 | DE19506790A1 Operating efficiency optimisation system for radial compressor |
09/14/1995 | DE4408442A1 Circuit to control speed of universal motor e.g for vehicle air conditioner |
09/12/1995 | US5450316 Electronic process controller having password override |
09/12/1995 | US5449275 Controller and method for operation of electric fan |
09/12/1995 | US5448881 Gas turbine engine control based on inlet pressure distortion |
09/12/1995 | CA2119900A1 Automatic water pumping system |
09/06/1995 | EP0670425A1 Method of surge detection |
09/05/1995 | US5447414 In an air handling system |
08/30/1995 | CN1107556A NC adjusting and metering fan |
08/29/1995 | US5445215 Fan assembly with heat sink |
08/22/1995 | US5443368 Turbomolecular pump with valves and integrated electronic controls |
08/09/1995 | EP0666423A1 Surge detection system using engine signature |
08/03/1995 | DE4438995A1 Fan for cooling system of engine of construction machinery |
08/03/1995 | DE4418071C1 Drive unit with electric motor for driving cooling fan of motor vehicle |
08/02/1995 | CN1106112A Adjusting method of moving efficiency of main axial-flow mine ventilator |
08/01/1995 | US5437539 Apparatus for the dynamic control of rotating stall and surge in turbo machines and the like |
07/27/1995 | DE4402137A1 Fan generating fresh air used in exhaust of IC engine |
07/12/1995 | CN2203374Y Adjustable wind rate blower |
07/11/1995 | US5432696 Apparatus for and method of controlling a fan utilizing a branching phenomemon occurring in a solution of a one parameter function |
07/11/1995 | US5431533 For a rotor supported for rotary motion |
07/05/1995 | EP0661426A1 Gas turbine apparatus and method of operating same |
06/29/1995 | WO1995017607A1 Non-recoverable surge and blowout detection in gas turbine engines |
06/27/1995 | US5426975 Method and apparatus for determining the total flow rate in a ventilation installation |
06/22/1995 | DE4343168A1 Two-coil ventilator fan drive motor |
06/15/1995 | WO1995016117A1 Closed loop stator vane control |
06/07/1995 | CN1103467A NC serial operating mode change centrifugal fan |
06/06/1995 | US5422824 Computerized diagnostic system for microprocessor-based, portable machinery |
06/01/1995 | DE4340580A1 Regulator for heating and air conditioning system in motor vehicle |
05/24/1995 | EP0654163A1 Process and device for monitoring vibrational excitation of an axial compressor |
05/24/1995 | EP0654162A1 Process for detecting fouling of an axial compressor |
05/24/1995 | EP0654161A1 Process and device for monitoring and for controlling of a compressor |
05/18/1995 | WO1995013215A1 Rotor blade pitch change control method and device |
05/10/1995 | EP0652374A1 System for controlling operation of turbo type fluid machinery |
05/10/1995 | EP0652154A1 Control method and device of the variable pitch of rotor blades |
05/10/1995 | EP0652137A1 Power supply for ventilator and/or an accumulator using a solargenerator in a vehicle |
05/10/1995 | EP0651859A1 Rotary compressor with stepped cover contour. |
05/10/1995 | EP0628149A4 Control system for an air conditioning/refrigeration system. |
05/09/1995 | US5412977 Turbo machine with an axial dry gas seal |
04/26/1995 | CN2195637Y Multi-function emergency electric fan |
04/20/1995 | WO1995010709A1 Axially opening cylindrical bleed valve |
04/20/1995 | WO1995010692A1 Active tip flow bypass in stator vane channel |
04/13/1995 | WO1995010078A1 Method and apparatus for supplying a pressurized compressible medium to a network |
04/04/1995 | US5403149 Stabailization device for extending the characteristic map of a compressor |
04/04/1995 | US5402632 In a dual spool gas turbine engine |
03/29/1995 | CN2193451Y Freezing commpressed air drier cold medium overheat protecting device |
03/16/1995 | DE4431460A1 Fan |
03/15/1995 | CN2192099Y Speed regulator for domestic electric fan |
03/08/1995 | CN1027832C 背压阀 Backpressure valve |
02/23/1995 | WO1995005541A1 Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive |
02/15/1995 | EP0638727A1 Compressor and its method of operation |
02/15/1995 | EP0638725A1 Device for secondary air bleeding from an axial compressor |
02/15/1995 | CN1098775A Method of controlling starting of compressor in air conditioner |
02/09/1995 | WO1995004225A1 Process and device for tapping a partial stream from a stream of compressed gas |
01/31/1995 | US5385012 In a gas turbine engine |
01/12/1995 | DE4423736A1 Method for regulating the power of a centrifugally operating machine which is driven by an electric motor |
01/10/1995 | US5380151 Axially opening cylindrical bleed valve |