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WO/2007/077416A1 |
A drive configuration for a skid steered vehicle incorporates a controlled differential for use in exercising steering control of the vehicle, comprising a compound planetary gear set (8) coupling two shafts (7a, 7b). Respective sun gear...
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WO/2007/073925A1 |
Vehicles with open loop hydraulic steering systems may suffer from jerky steering due to the necessity to have safety valves in the open loop system to prevent uncontrolled vehicle movement. Traditional open loop steering arrangements al...
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WO/2007/061497A1 |
An electric drive system (26) is provided having first and second output members (34, 36) and a driving shaft (31) having an axis or rotation. A plurality of electric motors (28a, 28b, 28c) are arranged adjacent to the driving shaft. Eac...
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WO/2007/053231A1 |
The present disclosure is directed to a hydraulic system (200). The hydraulic system includes a source (30) of pressurized fluid and a plurality of fluid actuators (22) configured to affect an amount of resistive torque applied to an ass...
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WO/2007/049368A1 |
A small-sized crawler tractor producing excellent feeling of rotation. A hydraulic transmission mechanism for rotation includes a hydraulic stepless speed change pump for rotation and a hydraulic stepless speed change motor for rotation....
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WO/2007/038528A1 |
A control system for a machine having first and second ground drive assemblies, such as track drive assemblies. The control system including a steering arrangement including a steering wheel (222) and a foot pedal. Each of the steering w...
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WO/2007/030055A1 |
A tracked vehicle, especially a snow scooter, that has two laterally spaced-apart front drive-track assemblies (10), each of which is turnable around a substantially vertical axis and which are coupled for common turning. Each drive-trac...
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WO/2007/027333A1 |
A drive arrangement (18) for a work machine (10) is disclosed. The drive arrangement has a first planetary gear set (52), a second planetary gear set (54), a third planetary gear set (56), a first motor (24), a second motor (26), and a t...
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WO/2007/023140A1 |
An arrangement and a method are disclosed for driving and steering an engine driven vehicle of the type m which left and right hand wheels 120L, 120R are respectively driven from the engine through left and right hand transmissions 122L,...
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WO/2007/023138A1 |
A transmission arrangement for an engine driven vehicle having two continuously variable transmissions serving to drive left and right hand vehicle wheels at separately variable drive ratios. Each transmission incorporates a variator of ...
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WO/2006/131332A1 |
The invention relates to an electric drive system (10) for a vehicle comprising differential steering. Said system comprises two similar drive units (20, 22), an electric energy source (13, 15, 16, 18), an electronic control unit (36) an...
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WO/2006/123640A1 |
A vehicle (1) has a steer-by-wire-type vehicle steering device (11) that controls yaw moment of the vehicle (1) according to operation of a steering wheel (10) that is mechanically separated from each wheel (3). Each wheel (3) is install...
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WO/2006/103049A1 |
A braking system for a vehicle having two pairs of wheels (RAS, RAD ; RPS ,RPD) , comprising two master cylinders (CTS/CTD) operating as pumps, wherein each master cylinder is (CTS, CTD) operated by its own brake pedal (PS, PD) and contr...
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WO/2006/094730A1 |
The invention relates to a drive system for individually driving two drive wheels (4, 8) of a drive wheel pair or the like of a motor vehicle comprising two continuously adjustable driving motors (2, 6) which are drivably connected by me...
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WO/2006/066406A1 |
An endless belt system for a vehicle having a negative trail steering geometry is provided. The endless belt system replaces the wheels that steer a vehicle, particularly an all terrain vehicle, to provide increased floatation over sof...
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WO2005101945B1 |
A six wheeled vehicle with two front steerable wheels and four rear coaxial non-steerable left and right wheels pair driven by separate longitudinal shafts fitted with bevel gears of unequal diameter driving each wheel via an integral sp...
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WO2002045989A9 |
A transmission in a power machine (10) includes an axle (130) having an inboard (122) and outboard end (120). The outboard end is coupled to a wheel through a universal joint (124). The inboard end is coupled, through a sprocket assembly...
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WO/2006/046093A1 |
The inventive turning method and device reduce the resistance to turn of a transport means whose undercarriage is provided with a long and narrow bearing surface. The inventive turning method consists in dividing the designed long and na...
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WO/2006/040055A1 |
The invention relates to a multipurpose vehicle (30), particularly a harvesting machine or other off-road vehicle, comprising at least two frame sections (32) which are connected to each other via at least one articulation device (60), c...
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WO/2006/021745A1 |
An electric drive transmission for a skid steered vehicle has a central casing (17) housing a pair of propulsion motors (1a, 1b) comprising respective stators (18a, 18b) and rotors (19a, 19b), each rotor being coupled to drive a respecti...
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WO/2006/019575A1 |
A hydrostatic transmission and steering assembly (10) has a control shaft (36) used to control direction and speed of a controlled motor (11). An adjustable control arm assembly (26) is drivably coupled to the control shaft (36) and is m...
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WO/2006/004892A1 |
A vehicle steering device (70) may include a rotatable input shaft (152), a motor (22) in communication with an input augmentation shaft (152), the input augmentation shaft (152) and the input shaft (152) sharing a longitudinal axis (254...
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WO/2005/110790A2 |
The invention concerns a drive device for motor vehicles, comprising a drive assembly which acts via a differential gear (10, 100) on two output shafts (16, 18), an arrangement being provided at the level of the output shafts, with at le...
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WO/2005/092691A1 |
A traveling control device and a traveling control program for a work vehicle or a control device and a control program for the work vehicle capable of fixing a control amount to a specified value since variation in control amount (speed...
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WO/2005/087530A1 |
A transmission of a work vehicle enabling the smooth turning of the vehicle and manufacturable at low cost. The transmission (101) of the work vehicle (1) having an engine (31) and a pair of traveling devices (4L) and (4R) comprises a pa...
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WO/2005/069778A2 |
A vehicle is disclosed having a reduced turning radius comprising a directional wheel assembly (40) for turning the vehicle and a drive wheel assembly (70) for driving the vehicle. The drive wheel assembly (70) has a first and a second d...
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WO/2005/054041A1 |
The invention concerns an electric steering and driving system for a lateral wheel steering vehicle, said system comprising driving elements for chains (15, 16) or for wheels, two axle drive shafts (13, 14), whereof one first end is conn...
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WO/2005/047087A1 |
The invention relates to a drive system for a tracked vehicle. Said system comprises: an internal combustion engine (1); at least one steering drive (2); a differential gear assembly (3) comprising at least one drive element (4), at leas...
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WO/2005/047042A1 |
Vehicle (10, 100) comprising at least three drive axles (A, B, C) each with a pair of drive wheels (30H, 30V, 31H, 31V), a steering system that direct controls the steering angle between at least two of the drive axles. The vehicle being...
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WO/2005/039958A1 |
The invention relates to an electrical drive system for a vehicle with skid steering, said system respectively comprising a homogeneous electrical driver and a homogeneous summing transmission (16, 18) on the left side and on the right s...
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WO/2005/017390A1 |
The invention comprises an electro-mechanical continuously variable transmission (EMCVT) that uses a planetary gear system to provide a combination of electric and mechanical power for a vehicle or for stationary equipment. The EMCVT inc...
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WO/2005/014321A2 |
The invention relates to a wheel hub drive train using liquid nitrogen (4) as the fuel. Nitrogen (3) that has been evaporated from liquid nitrogen (4) is used as the compressed gas and is led via pneumatic control valves (7) directly to ...
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WO/2004/062956A1 |
An axle drive device (2) is suspended so as to be swingable about the center axis for swing, or the axis in a forward-backward direction of a motor-vehicle frame. The device is constructed from a hydraulic drive unit (20) and a left and ...
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WO/2004/060737A1 |
The inventive motorised wheel chair comprises propelling and control means. Said propelling means consist of a motor actuating a first hydraulic pump which is serially connected to a first hydraulic circuit feeding a receiving hydraulic ...
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WO/2004/037628A1 |
A crawler tractor comprises steering mechanisms (44) (45) for rotating a machine body by causing right and left crawler belts (9) to move differentially. The tractor is characterized in that the steering mechanism (44) is connected to a ...
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WO/2004/033272A1 |
The invention relates to a superimposed steering system for track-laying vehicles or wheeled vehicles with non-pivotable wheels. Said superimposed steering system comprises a drive unit (1) and a neutral shaft (10, 10') for transmitting ...
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WO/2004/023862A1 |
A combine for driving a traveling section (2) by transmitting the power of an engine (21) to a transmission case (22) provided with a traveling speed change mechanism (40), characterized in that the power of the engine (21) is transmitte...
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WO/2004/020262A1 |
The invention primarily relates to a method for guiding a multitrack vehicle on a curved path which is predefined by the driver of the vehicle via a set point steering angle or similar. A curved path signal representing said desired curv...
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WO/2004/005754A2 |
A hydraulic torque vectoring differential includes two epicyclic gear sets (62, 65) and two variable displacement hydrostatic units (90, 92). Each hydrostatic unit is coupled to a reaction member (80, 82) of one of each of the epicyclic ...
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WO/2003/103367A2 |
A scooter (100) has a steering mechanism (112) linked to a front wheel (110) and a plurality of rear wheels (109) whereby an angular change in the steering mechanism is translated into an angular change in the front and rear wheels. The ...
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WO/2003/103366A2 |
A scooter has at least two drive wheels which are placed in alignment with or forward a location on the scooter defined by the approximate location of the head and shoulders of a user of the scooter.The scooter may optionally have a plur...
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WO/2003/097395A1 |
The invention relates to an electric steering and drive system for a vehicle (6; 15) with a wheel side steering system consisting of at least two electrically driven axles, wherein at least one mechanical coupling is provided between the...
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WO/2003/086561A1 |
A car model, comprising a pair of right and left rear wheels (21, 21) driven by different motors (24, 24) independently of each other, a pair of right and left front wheels (22, 22), and a front wheel support mechanism (30) supporting th...
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WO/2003/082620A1 |
A traveling vehicle, wherein a power transmission system for traveling straight forward, a power transmission system for turning, a power transmission system for PTO, and a power transmission system for driving a pump are disposed in a t...
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WO/2003/072420A1 |
A control system for a power machine (10) having independently steerable and rotatable wheels (124) includes a user input device and an electronic controller (116). The user input device includes user actuable inputs (114) providing user...
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WO/2003/046415A1 |
A hydro−mechanical transmission comprising a planetary gear set (10)&semi a speed control device (31,32,33,35) to increase the operating range of the vehicle or stationary equipment, consisting of a two−speed power shift transmission...
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WO/2003/033329A2 |
Devices (101) for adjustably controlling a flow of fluid through a common passage and through first and second auxiliary passages are disclosed. The flow control devices may be used for controlling the steering of a vehicle having indepe...
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WO/2003/026385A1 |
Broadly, one aspect of the present invention is an articulated combine (10) having increased on-board grain storage capacity (e.g., 1,200 bushels) and which is composed of a forward unit (13) having an operator's cab (15), an engine (18)...
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WO/2002/102644A1 |
A Zero Turn Radius vehicle is provided that utilizes a steering system including front steerable wheels (6, 6a) that is synchronized with a drive system that has dual independent rear drive units (24, 25) to drive the rear wheels (7, 7a)...
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WO/2002/102647A1 |
The invention relates to a motorized device with two drive wheels that is equipped with two handles (15, 17) disposed on a handlebar (11). The drive wheels are individually driven by one drive, the rotating speed of a drive wheel being s...
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