CA2609901C - Transmission au moyen de deux machines hydrauliques - Google Patents

Transmission au moyen de deux machines hydrauliques Download PDF

Info

Publication number
CA2609901C
CA2609901C CA002609901A CA2609901A CA2609901C CA 2609901 C CA2609901 C CA 2609901C CA 002609901 A CA002609901 A CA 002609901A CA 2609901 A CA2609901 A CA 2609901A CA 2609901 C CA2609901 C CA 2609901C
Authority
CA
Canada
Prior art keywords
engine
vehicle
hydraulic
swash plate
speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002609901A
Other languages
English (en)
Other versions
CA2609901A1 (fr
Inventor
Keith E. Gleasman
Matthew R. Wrona
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Torvec Inc
Original Assignee
Torvec Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/153,111 external-priority patent/US7416045B2/en
Priority claimed from US11/153,112 external-priority patent/US7475617B2/en
Application filed by Torvec Inc filed Critical Torvec Inc
Publication of CA2609901A1 publication Critical patent/CA2609901A1/fr
Application granted granted Critical
Publication of CA2609901C publication Critical patent/CA2609901C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • 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
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/04—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
    • F16H39/06—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type
    • F16H39/08—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders
    • F16H39/10—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing
    • F16H39/14—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing with cylinders carried in rotary cylinder blocks or cylinder-bearing members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60W30/1882—Controlling power parameters of the driveline, e.g. determining the required power characterised by the working point of the engine, e.g. by using engine output chart
    • 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/421—Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433—Pump capacity control by fluid pressure control means
    • 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
    • F16H61/462—Automatic regulation in accordance with output requirements for achieving a target speed ratio
    • 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
    • F16H61/465—Automatic regulation in accordance with output requirements for achieving a target input speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0644—Engine speed
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6838—Sensing gearing status of hydrostatic transmissions
    • F16H2059/6869—Sensing gearing status of hydrostatic transmissions the pump speed
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6838—Sensing gearing status of hydrostatic transmissions
    • F16H2059/6876—Sensing gearing status of hydrostatic transmissions the motor speed
    • 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
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)
  • Retarders (AREA)
  • Hydraulic Motors (AREA)
CA002609901A 2005-06-15 2006-06-15 Transmission au moyen de deux machines hydrauliques Expired - Fee Related CA2609901C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/153,111 US7416045B2 (en) 2002-08-28 2005-06-15 Dual hydraulic machine transmission
US11/153,112 US7475617B2 (en) 2005-06-15 2005-06-15 Orbital transmission with geared overdrive
US11/153,111 2005-06-15
US11/153,112 2005-06-15
PCT/US2006/023285 WO2006138447A2 (fr) 2005-06-15 2006-06-15 Transmission au moyen de deux machines hydrauliques

Publications (2)

Publication Number Publication Date
CA2609901A1 CA2609901A1 (fr) 2006-12-28
CA2609901C true CA2609901C (fr) 2009-11-03

Family

ID=37571150

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002609901A Expired - Fee Related CA2609901C (fr) 2005-06-15 2006-06-15 Transmission au moyen de deux machines hydrauliques
CA002609902A Abandoned CA2609902A1 (fr) 2005-06-15 2006-06-15 Transmission planetaire a surmultiplicateur a engrenage

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002609902A Abandoned CA2609902A1 (fr) 2005-06-15 2006-06-15 Transmission planetaire a surmultiplicateur a engrenage

Country Status (9)

Country Link
EP (2) EP1890898A2 (fr)
JP (2) JP2008546959A (fr)
KR (2) KR100943016B1 (fr)
CN (1) CN101253351A (fr)
AU (2) AU2006259387B2 (fr)
BR (2) BRPI0611908A2 (fr)
CA (2) CA2609901C (fr)
MX (2) MX2007015941A (fr)
WO (2) WO2006138447A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5116795B2 (ja) * 2010-04-21 2013-01-09 三菱電機株式会社 燃料供給装置
CN102826013B (zh) * 2012-08-16 2015-06-10 三一重工股份有限公司 静液压动力传动系统的控制方法、装置及系统
DE102013202385A1 (de) * 2013-02-14 2014-08-14 Zf Friedrichshafen Ag Verfahren zur Steuerung eines hydrostatischen Getriebes
EP3279522A1 (fr) * 2016-08-04 2018-02-07 DANA ITALIA S.r.l. Organe de commande de chaîne cinématique de véhicule et procédé d'étalonnage d'un organe de commande de chaîne cinématique de véhicule

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1984830A (en) * 1933-05-05 1934-12-18 Frank R Higley Vehicle drive
US3199286A (en) 1962-05-16 1965-08-10 Gar Wood Ind Inc Hydrostatic drive
GB1272971A (en) 1969-03-13 1972-05-03 Nat Res Dev Hdyrostatic vehicle transmission
US4776260A (en) * 1980-11-07 1988-10-11 Vincze Alexander L Constant pressure pump
US4399886A (en) * 1980-12-09 1983-08-23 Sundstrand Corporation Controls for variable displacement motor and motors
JPS6435168A (en) * 1987-07-31 1989-02-06 Honda Motor Co Ltd Control device for vehicle continuously variable transmission
JPH07111221B2 (ja) * 1987-10-20 1995-11-29 本田技研工業株式会社 車両用無段変速機の変速制御方法
DE3867458D1 (de) * 1988-01-14 1992-02-13 Hydromatik Gmbh Automotive antriebseinrichtung fuer maschinen und fahrzeuge.
US5186692A (en) * 1989-03-14 1993-02-16 Gleasman Vernon E Hydromechanical orbital transmission
DE4226453A1 (de) * 1992-08-10 1994-02-17 Sauer Sundstrand Gmbh & Co Antriebseinrichtung für einen automativen Fahrantrieb, z. B. bei einem Gabelstapler oder Radlader
US5390751A (en) * 1993-11-19 1995-02-21 Deere & Company Planetary steering system for a skid-steered vehicle
US5495912A (en) * 1994-06-03 1996-03-05 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Hybrid powertrain vehicle
JP3498367B2 (ja) * 1994-06-30 2004-02-16 株式会社島津製作所 流体式変速機搭載車両の制御装置
JPH08135789A (ja) * 1994-11-09 1996-05-31 Komatsu Ltd 車両の油圧式駆動装置の変速装置およびその変速制御方法
JPH10246176A (ja) * 1997-02-28 1998-09-14 Honda Motor Co Ltd アキシャルピストン機械
US6085521A (en) * 1998-04-10 2000-07-11 Folsom Technologies, Inc. Concentric axial piston transmission
SE521783C2 (sv) * 1998-10-26 2003-12-09 Volvo Ab Sätt att styra förbränningsprocessen i en förbränningsmotor samt motor med organ för att variera cylindrarnas effektiva kompressionsförhållande
CA2347827C (fr) * 1998-10-26 2007-01-30 Yanmar Diesel Engine Co., Ltd. Transmission variable en continu
US6640754B1 (en) * 2000-09-14 2003-11-04 Yamaha Hatsudoki Kabushiki Kaisha Ignition timing system for homogeneous charge compression engine
US6342021B1 (en) * 2000-12-08 2002-01-29 Torvec, Inc. Steer-drive for vehicles
US6769392B2 (en) * 2001-12-20 2004-08-03 Caterpillar Inc Variable valve timing in a homogenous charge compression ignition engine
US6748817B2 (en) * 2002-02-15 2004-06-15 Torvec, Inc. Transmission with minimal orbiter
US6852064B2 (en) * 2002-07-18 2005-02-08 Sauer-Danfoss, Inc. Hydromechanical transmission electronic control system for high speed vehicles
US20040042906A1 (en) * 2002-08-28 2004-03-04 Gleasman Vernon E. Long-piston hydraulic machines
JP4315888B2 (ja) * 2003-11-11 2009-08-19 株式会社小松製作所 車両制御装置

Also Published As

Publication number Publication date
JP2008546959A (ja) 2008-12-25
EP1891356A4 (fr) 2011-06-08
AU2006259315A1 (en) 2006-12-28
BRPI0611908A2 (pt) 2010-10-05
JP2008546958A (ja) 2008-12-25
MX2007015941A (es) 2008-03-07
MX2007015507A (es) 2008-03-04
WO2006138447A3 (fr) 2007-10-11
WO2006138474A2 (fr) 2006-12-28
CA2609901A1 (fr) 2006-12-28
WO2006138447A2 (fr) 2006-12-28
KR100943016B1 (ko) 2010-02-18
CN101253351A (zh) 2008-08-27
EP1890898A2 (fr) 2008-02-27
BRPI0611951A2 (pt) 2010-10-13
KR20080016861A (ko) 2008-02-22
WO2006138474A3 (fr) 2009-04-30
KR20080016862A (ko) 2008-02-22
AU2006259387A1 (en) 2006-12-28
CA2609902A1 (fr) 2006-12-28
AU2006259387B2 (en) 2010-02-18
EP1891356A2 (fr) 2008-02-27

Similar Documents

Publication Publication Date Title
US7416045B2 (en) Dual hydraulic machine transmission
US7475617B2 (en) Orbital transmission with geared overdrive
US4903792A (en) Hydraulic motors and vehicle hydrostatic transmission system of wheel motor type
CA2333112C (fr) Transmissions de vehicule a vitesse variable
US6530855B1 (en) Parallel hydromechanical underdrive transmission
CA2609901C (fr) Transmission au moyen de deux machines hydrauliques
US3465616A (en) Vehicle drive
EP0807770B1 (fr) Transmission hydrostatique à variation continue de vitesse
US6951164B2 (en) Swash plate type servo device for a plunger hydraulic unit
CN85102766A (zh) 车轮油马达式静压传动车辆
US7171889B2 (en) Swash plate tilting angle detector for a swash plate plunger type hydraulic unit
CN1233720A (zh) 双斜盘同步旋转内功率分流液压无级变速装置
Maistrelli Purely hydrostatic high ratio transmission
AU765021B2 (en) Variable speed vehicle powertrains
GB2202593A (en) Hydraulic motors and pumps and vehicle hydrostatic transmission system of wheel motor type
JPH0874964A (ja) 無段変速機

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed