Patents
Sitemap › F03 - Machines or engines for liquids; Wind, spring, or weight motors; Producing mechanical power or a reactive propulsive thrust, not otherwise provided for › F03B - Machines or engines for liquids › F03B 15 - Controlling
Patents for F03B 15 - Controlling (1,832)
11/2003
11/27/2003US20030218338 Apparatus and method for extracting maximum power from flowing water
11/25/2003US6653744 Distributed generation drivetrain (DGD) controller for application to wind turbine and ocean current turbine generators
11/11/2003US6644027 Apparatus for protecting a wave energy converter
10/2003
10/29/2003EP1196691B1 Apparatus for protecting a wave energy converter
10/22/2003CN2581717Y Motor servo-system water turbine speed regulator without hydraulic mechanism
10/09/2003DE10143018C1 Hydraulic turbine with continuously variable regulation and application range has nozzle continuously opened/closed to regulate throughput by sliding tongue connected to drive mechanism
10/08/2003CN2578541Y Hydraulic control bidirectional servo-valve of speed adjustor
10/02/2003US20030182798 Method of converting storage pumps into reversible pump-turbines
10/01/2003EP1348913A1 Energy recovery apparatus and method of operating energy recovering apparatus
09/2003
09/17/2003CN2573717Y Elecro-hydraulic execution mechanism of speed controller for middle and small water turbines
09/17/2003CN2573716Y Govering shaft switching device for speed controller of water turbine
09/10/2003CN2572033Y Two-stage electrohydraulic digital servo valve
08/2003
08/27/2003CN1119525C Method for starting machine group comprising pump turbine and motor generator
08/20/2003CN2567359Y Speed regulator floating type mechanical limiting device
08/05/2003US6602044 Pump turbine, method of controlling thereof, and method of stopping thereof
07/2003
07/30/2003CN1116629C Full digital microcomputer controlled water turbine speed regulator
07/23/2003CN2561950Y Axial double spring middle reset motor shift converter
07/23/2003CN1115480C Hydraulic mechanical opening limiting mechanism for water turbine
07/23/2003CN1115479C Full liguid controlled dual-regulation electrohydraulic servo system
07/03/2003WO2003054387A1 Method and system for regulating the level of a dam
06/2003
06/25/2003CN2557715Y Controller for main valve adopting rotary straightway valve structure
05/2003
05/07/2003EP1308619A1 Multiple injectors Pelton turbine
04/2003
04/09/2003CN1105237C Turbine for pump
03/2003
03/19/2003CN2540517Y Electric-displacement electrohydraulic conversion device for governor of water turbine
02/2003
02/19/2003CN2536805Y Hydraulic turbine turning vane sectionalized closing devices
12/2002
12/18/2002CN1096563C Air feeder for hydraulic machinery
11/2002
11/13/2002CN1379175A Pump hydroturbine
10/2002
10/23/2002EP0913577B1 Reversible pump-turbine system
10/16/2002CN2516730Y Automatic protection device for hydraulic generation equipment
10/10/2002US20020146314 Pump turbine
09/2002
09/11/2002CN2510644Y Automatic-lifting water-wheel generating equipment
08/2002
08/28/2002CN2508018Y Stable voltage load structure of voltage stabilizing device for small hydro electric generator
08/27/2002US6441508 Dual type multiple stage, hydraulic turbine power generator including reaction type turbine with adjustable blades
08/14/2002CN2505612Y External servomotor for water pump and turbine impeller
06/2002
06/19/2002EP1215393A1 Hydraulic turbine power generator
06/13/2002US20020070560 Dual type multiple stage, hydraulic turbine power generator including reaction type turbine with adjustable blades
05/2002
05/29/2002EP1209356A1 Turbine or pump turbine
05/29/2002CN1351693A Method for controlling charging maneuvers in a hydroelectric installation with a surge tank
04/2002
04/17/2002EP1196691A1 Apparatus for protecting a wave energy converter
04/10/2002CN1344352A Method for optimising operating point of dynamical type compressor
03/2002
03/13/2002CN2481869Y Intelligent fuzzy controlled multi-state valve type governor of water turbine
02/2002
02/20/2002CN2477852Y Force balancing electrical/mechanical converter
02/07/2002US20020014773 Distributed generation drivetrain (DGD) controller for application to wind turbine and ocean current turbine generators
02/06/2002CN1334902A Method for starting machine group comprising pump turbine and motor generator
12/2001
12/26/2001CN2467817Y Automatic controlling device for water turbine deflector
11/2001
11/21/2001CN2460741Y Hydraulic section shutting off device
10/2001
10/31/2001CN2457360Y Single block integrated brake controller of turbine generator
10/17/2001EP1144864A1 A method of controlling operating depth of a device
10/04/2001EP1138941A2 Method to determine the net head for turbines
09/2001
09/27/2001WO2000042318A9 A method of controlling operating depth of a device
09/05/2001CN2446299Y Frequency detector of hydroturbine speed governor
09/05/2001CN2445998Y Controller of hydroturbine brake
08/2001
08/15/2001CN2443162Y Hydraulic operating mechanism for electric hydraulic speed regulator of water turbine
07/2001
07/25/2001EP0910742B1 Method for controlling turbine systems in hydropower stations
06/2001
06/27/2001CN1067754C Cam direct control main pressure-distribution valve device for water turbine speed regulator steep motor
06/26/2001US6250887 Reversible pump-turbine system
05/2001
05/16/2001CN1295189A Water pump hydroturbine and its control method and method for making hydroturbine stop
04/2001
04/25/2001CN2427664Y Microcomputerized speed regulator directed linkage type hydraulic arrangement
04/12/2001WO2000042318A8 A method of controlling operating depth of a device
04/11/2001CN1290809A Hydraulic mechanical opening limiting mechanism for water turbine
04/04/2001CN1064112C Method for majorization of effect of group of water turbine and motor
04/03/2001US6210100 Pump-turbine
03/2001
03/14/2001CN2423422Y Electrohydraulic converter
01/2001
01/25/2001WO2001006118A1 Apparatus for protecting a wave energy converter
01/11/2001DE19932337A1 Toothed roller water wheel comprises a rotating roller positioned on a rigid axis, guiding pipes for receiving the axis on its outer sides, and a current generator
01/03/2001CN2413047Y Hydraulic control self-ressetting main pressure distributing valve
11/2000
11/28/2000US6152684 Method for operation of hydraulic turbine
10/2000
10/05/2000DE19860617C1 Verfahren zum Anfahren eines Maschinensatzes, umfassend eine Pumpturbine und einen Motorgenerator Method for starting a machine unit comprising a pump turbine and a motor generator
09/2000
09/28/2000WO2000057054A1 Method for controlling charging maneuvers in a hydroelectric installation with a surge tank
09/27/2000EP1039126A1 Control method for a hydroelectric installation with surge tank during load changes
09/27/2000CN2398435Y Water turbine of automatic adjusting following water level up and down
09/14/2000DE19906123A1 Verfahren zur Vergrößerung des Arbeitsbereiches von geführten Strömungen A process for increasing the operating range of guided movements
09/13/2000CN1266147A All hydraulic controlled self-healing type main pressure-distribution valve
08/2000
08/17/2000WO2000047890A1 Method for optimising the operating point of a dynamical type compressor
07/2000
07/26/2000CN2389240Y Fully liquid controlled double-regulation electricity-liquid servo device
07/20/2000WO2000042318A1 A method of controlling operating depth of a device
07/18/2000US6091161 Method of controlling operating depth of an electricity-generating device having a tethered water current-driven turbine
07/06/2000WO2000039458A1 Method for starting a machine group comprising a pump turbine and a motor generator
03/2000
03/28/2000US6042331 Pump-turbine
12/1999
12/22/1999CN1239184A Full-pilot-controlled dual-regulation electrohydraulic servo system
10/1999
10/28/1999DE19818330A1 Einrichtung zur Regelung der Saugwassersäulenhöhe einer Durchströmturbine Means for controlling the Saugwassersäulenhöhe a Crossflow
10/27/1999EP0952336A2 Control system for the suction water level of a radial turbine
05/1999
05/06/1999EP0913577A1 Pump-turbine system
04/1999
04/28/1999EP0910742A1 Method for controlling turbine systems in hydropower stations
04/14/1999CN2314118Y Hydraulic power generator set with constant voltage and constant frequency
03/1999
03/03/1999CN2309658Y Electro-hydraulic speed regulator with step cylinder and mechanical feedback device
01/1999
01/26/1999US5864183 Power generating unit
11/1998
11/18/1998EP0878624A1 Method of operating a water turbine avoiding cavitation
11/18/1998CN1199139A Full-digital microcomputer-controlled water turbine speed regulator
11/12/1998DE19717492A1 Optimising efficiency of hydroelectric power station
11/05/1998WO1998049445A1 Method for controlling turbine systems in hydropower stations
10/1998
10/29/1998DE19717871A1 Verfahren zur Steuerung von Turbinensystemen in Wasserkraftwerken Method for controlling turbine systems in hydropower plants
09/1998
09/24/1998WO1998041757A1 Slide vane vertical water wheel
09/23/1998CN1193691A Turbine for pump
09/16/1998EP0864747A2 Closing control for multiple pump-turbines operating in parallel
09/10/1998DE19709103A1 Hydropowered operating machine-generator unit
08/1998
08/05/1998EP0856660A1 Three way valve for Pelton turbine control system
07/1998
07/23/1998DE19800767A1 Water turbine
07/14/1998US5780935 Hydropowered turbine system
07/01/1998EP0766787A4 Cushioned dual-action constant speed wave power generator
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