IN2014CN04628A - - Google Patents
Download PDFInfo
- Publication number
- IN2014CN04628A IN2014CN04628A IN4628CHN2014A IN2014CN04628A IN 2014CN04628 A IN2014CN04628 A IN 2014CN04628A IN 4628CHN2014 A IN4628CHN2014 A IN 4628CHN2014A IN 2014CN04628 A IN2014CN04628 A IN 2014CN04628A
- Authority
- IN
- India
- Prior art keywords
- hydraulic
- operating mode
- pump unit
- speed operating
- hydraulic motor
- Prior art date
Links
- 239000012530 fluid Substances 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/021—Installations or systems with accumulators used for damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
- F16H61/4096—Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
- F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
- F05B2270/1014—Purpose of the control system to control rotational speed (n) to keep rotational speed constant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/327—Rotor or generator speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/411—Liquid ports having valve means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
- Control Of Fluid Gearings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161577941P | 2011-12-20 | 2011-12-20 | |
PCT/NZ2012/000233 WO2013095162A1 (en) | 2011-12-20 | 2012-12-11 | Power generating system and hydraulic control system |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014CN04628A true IN2014CN04628A (ja) | 2015-09-18 |
Family
ID=48668888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN4628CHN2014 IN2014CN04628A (ja) | 2011-12-20 | 2012-12-11 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9835140B2 (ja) |
KR (1) | KR102014567B1 (ja) |
CN (1) | CN104066977B (ja) |
AU (1) | AU2012354296B2 (ja) |
GB (1) | GB2512536B (ja) |
IN (1) | IN2014CN04628A (ja) |
WO (1) | WO2013095162A1 (ja) |
ZA (1) | ZA201404298B (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH707887A1 (de) * | 2013-04-12 | 2014-10-15 | Liebherr Machines Bulle Sa | Antriebssystem. |
CN103498758B (zh) * | 2013-09-17 | 2015-11-25 | 北京金风科创风电设备有限公司 | 液压偏航*** |
US9841101B2 (en) * | 2014-09-04 | 2017-12-12 | Cummins Power Generation Ip, Inc. | Control system for hydraulically powered AC generator |
US10024305B2 (en) * | 2015-11-10 | 2018-07-17 | General Electric Company | System and method for stabilizing a wind farm during one or more contingency events |
US11384734B1 (en) * | 2017-04-07 | 2022-07-12 | Orville J. Birkestrand | Wind turbine |
US20190136835A1 (en) * | 2017-11-01 | 2019-05-09 | Accelerate Wind, LLC | Wind turbine drivetrain system |
MX2021008183A (es) | 2019-01-08 | 2021-11-12 | Prosto Wind Power | Un sistema hidráulico de velocidad variable continua que tiene controles de velocidad neumática e hidráulica y un método de uso. |
CN110345113A (zh) * | 2019-08-13 | 2019-10-18 | 国电浙江北仑第一发电有限公司 | 一种电站旁路控制油增压*** |
DE102019131980A1 (de) * | 2019-11-26 | 2021-05-27 | Moog Gmbh | Elektrohydrostatisches System mit Drucksensor |
CN113007019B (zh) * | 2019-12-19 | 2022-10-18 | 新疆金风科技股份有限公司 | 控制器、控制***以及风力发电机组 |
US11781521B2 (en) | 2020-02-27 | 2023-10-10 | Orville J. Birkestrand | Toroidal lift force engine |
US11698122B2 (en) * | 2020-10-22 | 2023-07-11 | Deere & Company | Variable speed and reversible dual path fan drive system |
CN113389859B (zh) * | 2021-05-31 | 2023-04-25 | 浙江师范大学 | 一种风力发电机组预测型恒速箱***及恒速控制方法 |
US20230094924A1 (en) * | 2021-09-30 | 2023-03-30 | Todd Anthony Travis | Wellhead Pressure Reduction and Power Generating Assembly |
CN114526197A (zh) * | 2022-01-12 | 2022-05-24 | 浙江大学 | 风力发电机的液压混合动力控制***和控制方法 |
CN115574443B (zh) * | 2022-10-11 | 2024-07-19 | 珠海格力电器股份有限公司 | 一种空气调节设备及其控制方法、装置和存储介质 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1601467A (en) | 1977-07-08 | 1981-10-28 | Energy Secretary Of State For | Devices for extracting energy from wave power |
US4239977A (en) | 1978-09-27 | 1980-12-16 | Lisa Strutman | Surge-accepting accumulator transmission for windmills and the like |
SE419113B (sv) | 1979-11-14 | 1981-07-13 | Allmaenna Ingbyran | Vindkraftverk for huvudsakligen mekanisk transmission av ett variabelt turbinvarvtal till ett synkront utgaende varvtal |
SE8203944L (en) | 1982-06-24 | 1983-12-25 | Svenska Varv Vindenenergi Ab | Soft shaft interconnecting device - has shafts aligned coaxially and interconnected by gearing between hydraulic pump-motor unit |
US4774855A (en) | 1982-08-17 | 1988-10-04 | Vickers Shipbuilding And Engineering Limited | Apparatus for providing an electrical generator with a constant rotational speed from a variable speed input |
DE3471978D1 (en) | 1983-03-23 | 1988-07-14 | English Electric Co Ltd | Power generating equipment |
GB2225616A (en) * | 1988-11-30 | 1990-06-06 | Wind Energy Group Limited | Power generating system including gearing allowing constant generator torque |
NL1005735C1 (nl) * | 1996-07-29 | 1998-02-05 | Maud De Jong | Regelbare Overbrenging. |
JP3822100B2 (ja) | 2001-12-21 | 2006-09-13 | 株式会社小松製作所 | 風力発電装置 |
AP2004003185A0 (en) * | 2002-05-16 | 2004-12-31 | Mlh Global Corp Inc | Wind turbine with hydraulic transmission. |
CN1273729C (zh) * | 2002-11-13 | 2006-09-06 | 沈阳工业大学 | 兆瓦级风电机组变速、变距控制*** |
DE10314757B3 (de) | 2003-03-31 | 2004-11-11 | Voith Turbo Gmbh & Co. Kg | Antriebsstrang zum Übertragen einer variablen Leistung |
GB0313345D0 (en) | 2003-06-10 | 2003-07-16 | Hicks R J | Variable ratio gear |
DE10361443B4 (de) * | 2003-12-23 | 2005-11-10 | Voith Turbo Gmbh & Co. Kg | Regelung für eine Windkraftanlage mit hydrodynamischem Getriebe |
AT504818A1 (de) | 2004-07-30 | 2008-08-15 | Windtec Consulting Gmbh | Triebstrang einer windkraftanlage |
DE102006040930A1 (de) | 2006-08-31 | 2008-03-20 | Nordex Energy Gmbh | Verfahren zum Betrieb einer Windenergieanlage mit einem Synchrongenerator und einem Überlagerungsgetriebe |
GB0711043D0 (en) | 2007-06-08 | 2007-07-18 | Orbital 2 Ltd | Variable radio transmission |
WO2008155164A1 (de) | 2007-06-18 | 2008-12-24 | Inventio Ag | Einrichtung und verfahren zum überwachen einer bremseinrichtung |
FR2927394B1 (fr) | 2008-02-11 | 2010-06-04 | Roucar Gear Technologies Bv | Dispositif de transmission pour machine de production d'electricite a partir d'une source motrice a vitesse variable, unite de production electrique et eolienne ainsi equipees, et procede de reglage d'un rapport de transmission |
EP2107238A1 (en) | 2008-03-31 | 2009-10-07 | AMSC Windtec GmbH | Variable ratio gear |
EP2107237A1 (en) * | 2008-03-31 | 2009-10-07 | AMSC Windtec GmbH | Wind energy converter comprising a superposition gear |
-
2012
- 2012-12-11 GB GB1412292.3A patent/GB2512536B/en active Active
- 2012-12-11 US US14/367,738 patent/US9835140B2/en active Active
- 2012-12-11 WO PCT/NZ2012/000233 patent/WO2013095162A1/en active Application Filing
- 2012-12-11 IN IN4628CHN2014 patent/IN2014CN04628A/en unknown
- 2012-12-11 AU AU2012354296A patent/AU2012354296B2/en active Active
- 2012-12-11 CN CN201280063303.7A patent/CN104066977B/zh active Active
- 2012-12-11 KR KR1020147020131A patent/KR102014567B1/ko active IP Right Grant
-
2014
- 2014-06-11 ZA ZA2014/04298A patent/ZA201404298B/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2013095162A1 (en) | 2013-06-27 |
KR102014567B1 (ko) | 2019-10-21 |
GB2512536A (en) | 2014-10-01 |
AU2012354296B2 (en) | 2017-04-13 |
AU2012354296A1 (en) | 2014-07-03 |
US20150219077A1 (en) | 2015-08-06 |
CN104066977B (zh) | 2016-12-21 |
ZA201404298B (en) | 2016-02-24 |
KR20140120308A (ko) | 2014-10-13 |
GB2512536B (en) | 2018-05-30 |
GB201412292D0 (en) | 2014-08-27 |
US9835140B2 (en) | 2017-12-05 |
NZ626075A (en) | 2015-11-27 |
CN104066977A (zh) | 2014-09-24 |
GB2512536A8 (en) | 2014-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IN2014CN04628A (ja) | ||
WO2011148652A3 (en) | Power generating apparatus of renewable energy type and method of operating the same | |
EP2644470A3 (en) | Control device and control method for continuously variable transmission | |
GB201009012D0 (en) | Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source | |
WO2011147996A3 (en) | Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source | |
MX2010000227A (es) | Sistema acondicionador hidraulico autonomo. | |
WO2008136195A1 (ja) | 油圧ユニット及びそれを備えた建設機械 | |
WO2011011358A3 (en) | A system and method for providing a constant output from a variable flow input | |
WO2013005259A3 (en) | Energy extraction device, group of energy extraction devices and operating methods | |
WO2011150011A3 (en) | Variator pressure-set torque control | |
GB2490071A (en) | Hydraulic control system for a dual clutch transmission | |
WO2010083991A3 (de) | Verfahren zum betreiben eines verbrauchers | |
WO2013019656A3 (en) | System for producing energy using the water hammer effect | |
WO2012091942A8 (en) | Case flow augmenting arrangement for cooling variable speed electric motor-pumps | |
EP2535581A3 (en) | Wind turbine with hydrostatic transmission | |
WO2013029050A3 (en) | Method of using feedforward compensation based on pressure feedback for controlling swash plate angle in a hydrostatic power unit of a continuously variable transmission | |
WO2010075141A3 (en) | Adaptive underspeed control | |
WO2009036363A3 (en) | Pumping system with precise ratio output | |
WO2012173815A3 (en) | Hydrostatic circuits with variable charge and variable flushing systems | |
MX2011002672A (es) | Proceso para reducir la presion para inyectar una solucion de polimero en un pozo de petroleo sin esfuerzo cortante sobre dicha solucion. | |
IN2012DN01701A (ja) | ||
GB2600640A (en) | Hydraulic drive train for a frac pump | |
EP2550466A1 (en) | Variable speed hydraulic pump apparatus and method | |
WO2010136785A3 (en) | Controlled hydraulic systems comprising a variable drive ratio device | |
GB2532304A (en) | Improvement to drill pipe torque control device |