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WO/2002/087066A1 |
A drive control apparatus for controlling an electric rotation drive block for moving a drive body. The apparatus comprises a reference comparison signal generation circuit, a detection circuit for detecting speed of the drive block and ...
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WO/2002/083481A1 |
The present invention concerns a mechanical steering transmission unit comprising an input drive shaft and two output driven shafts that can revolve in the same or opposite direction at the same speed.
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WO/2002/083482A1 |
An electric drive configuration for a tracked vehicle comprises a pair of propulsion motors (1a, 1b) each in operable communication with one of a first pair of track drive sprockets (3a, 3b) for driving a pair of tracks (4a, 4b) of the t...
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WO/2002/083483A1 |
An electric drive configuration for a skid steered vehicle comprises; a pair of propulsion motors (74a, 74b), each with a motor shaft protruding from both ends of the motor and mounted on the same axis across the vehicle, each being coup...
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WO/2002/066311A1 |
A land vehicle has four wheels (10) by which the vehicle is driven and steered and the wheels are driven by hydraulic motors (11). In one arrangement the vehicle is steered by at least one pair of steerable wheels and supply of fluid to ...
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WO/2002/060742A2 |
A system and method of controlling a multi-wheel drive vehicle is provided. The invention is preferably applicable to the steering of such a vehicle and determines the individual velocities for each wheel drive (108, 110, 112, 114). In t...
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WO/2002/046022A1 |
A steer-drive interposes respective left and right orbital gear drives (20, 22) into the vehicle drivetrain between the engine/transmission (10, 12) and the respective propulsion axles associated with each side of the vehicle. The orbita...
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WO/2002/046024A2 |
A steering traction control apparatus (10) for a track laysing work machine (12) includes first and second speed sensors (64, 66) that produce a slip signal responsive to the difference in rotational velocity of first and second axles (2...
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WO/2002/046023A1 |
A self-propelled vehicle (1) capable of making turns with tight turning radii, which comprises a frame (2) with a pair of traction wheels (5), at least one orientable wheel (21), and one or more driver's posts (3). The vehicle (1) has a ...
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WO2001033939A9 |
A vegetation mower incorporating a drive train using two mechanical transmissions (14, 17) to selectively drive the ground engaging wheels (6, 6') at different speeds. The drive train incorporates a single pulley belt (18) to transfer po...
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WO/2002/032712A1 |
A tractor having right and left traveling crawlers (9) installed thereon, comprising a hydraulic transmission swing mechanism (45), a forced-diff (41) for driving a crawler driving sprocket (4), an engine (10), a hydraulic transmission s...
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WO/2002/028677A1 |
There are two basic methods of steering a wheeled vehicle. One method is to turn one or more steerable wheels. The other is to drive one or more left hand wheels independently of one or more left hand wheels. In the present invention bot...
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WO/2002/014136A2 |
A Zero Turn Radius vehicle is provided that utilizes a drive system including a single hydraulic variable displacement pump and dual variable displacement hydraulic motors connected respectively one to each of two ground engaging wheels ...
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WO/2002/012641A1 |
A slew working vehicle (1) is equipped with a left traveling motor (13) and a right traveling motor (14) both for driving left and right traveling devices (2L, 2R) and controls the traveling motors (13, 14) independently with left and ri...
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WO/2002/010001A1 |
A working vehicle, wherein a steering wheel for steerably operating a running part is installed on an operation part through a steering wheel pivot shaft, a steering link mechanism incorporated in a link box is interlockingly connected t...
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WO/2002/010000A1 |
An omni directional vehicle with a frame (1) having a round surface about its perimeter with no apparatus mounted on the frame (1) extending beyond the perimeter. Two independent drive wheels (2) located on an axis (120) through the cent...
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WO/2001/064575A1 |
A hydraulic-driven working vehicle, wherein a pressure oil is fed from a hydraulic pump (30) to both hydraulic motors (21A, 21B) through piping to perform forward and backward runnings and the rotating directions of the hydraulic motors ...
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WO/2001/056864A1 |
A hydraulically driven traveling vehicle comprising a pair of right and left driving axles (driving sprockets) differentially connected to each other by a differential mechanism, the input section of the differential mechanism having the...
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WO/2001/038119A1 |
The invention relates to a hydrostatic drive (1) with a hydraulic pump (3) and a plurality of hydraulic motors (6-9) that are hydraulically linked with said hydraulic pump (3). One speed sensor (20; 21; 22; 23) each is allocated to a res...
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WO/2001/032495A1 |
A moving carriage capable of being pulled over, namely, moved laterally on a traveling surface easily in a direction crossing a moving direction by providing thereon a plurality of moving means such as drive wheels or endless crawlers, w...
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WO/2001/030636A1 |
The invention relates to a method for steering and driving a self-propelled working machine, or a working machine comprising front wheels and steerable rear wheels. In order to guarantee high steering stability at all driving speed range...
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WO/2001/030635A1 |
A mobile motorized apparatus (12) for moving medical imaging equipment (16) about a portion of a body of a patient (18). The apparatus (12) includes a lower chassis (44) and an upper chassis (37). The upper chassis (37) can be moved in a...
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WO/2001/028800A1 |
An integrated hydromechanical axle driving device (2), comprising a pair of drive axles (40L, 40R), a differential mechanism (5) differentially connecting both drive axles to each other, a hydraulic continuously variable transmission mec...
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WO/2001/001860A1 |
The invention relates to a mobile X-ray apparatus that comprises a carriage provided with at least one pair of independently driven driving wheels and their motor means (12). The carriage includes a driving handle, which comprises sideba...
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WO/2000/076902A1 |
A side fork type transportation vehicle, wherein, when the vehicle runs straight forward in normal running mode in which a pair of right and left drive wheels (2) and steering wheels (3) face in longitudinal direction, the vehicle can be...
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WO/2000/071378A1 |
A snow thrower having a pair of wheels (36, 38; 40, 42) on each side is described herein. The snow thrower includes two laterally spaced wheel drive assemblies (20; 22) for independently supplying power from the engine (12) to each pair ...
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WO/2000/050291A1 |
A compact steering system with a differential mechanism, suitable for a track-laying vehicle on which the engine is mounted sideways, is provided. The steering system for track-laying vehicles having an input shaft (11) connected to an o...
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WO/2000/035735A1 |
An arrangement (10) for the steering and coupling together of two associated tracked units to form an articulated tracked vehicle set, comprising a first upright (12) for releasable coupling to a fixture (14) on one of the tracked units,...
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WO/2000/035736A1 |
A work vehicle in which a driving force is transmitted to left and right travel crawlers (2) through a transmission member (25) for changing the traveling speed continuously by operating a travel transmission lever (73), and a steering m...
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WO/2000/025041A1 |
A hydraulic and mechanical composite transmission (40), wherein a mechanical speed change mechanism (30) having a differential part (7) comprising a group of planetary gears and a hydraulic continuously variable transmission mechanism (2...
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WO/2000/023297A1 |
Control apparatus for an electric vehicle is described, the control apparatus comprising input means operable to generate a signal indicative of a desired forward motion of the vehicle and a signal indicative of a desired turning motion ...
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WO/2000/019127A1 |
A transmission for speed changing and steering of a vehicle includes a first hydrostatic pump (52) and motor (53), a first differential (24') for speed changing, a second hydrostatic pump (71) and motor (72), and a second differential (2...
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WO/2000/006408A1 |
The invention relates to a hydrostatic drive (1) comprising a first hydraulic pump (2) and a second hydraulic pump (3), in addition to a first hydraulic motor (7) and a second hydraulic motor (12), said hydraulic pumps (7, 12) driving se...
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WO/2000/001569A1 |
A driving apparatus (2) for speed changing and steering of a vehicle consists of a first driving unit (21) for speed changing in advancing and reversing and a second driving unit (22) for steering, which are arranged in a longitudinal ro...
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WO/1999/055574A1 |
Continuously driven machine steering differentials have heretofore been complex for counter-rotating a pair of oppositely located planetary elements. The planetary steering differential (10) includes a differential (21) powered by a tran...
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WO/1999/054554A2 |
A vehicle (10) with a driving track assembly (26) and a pair of secondary driving assemblies (36) disposed on opposing lateral sides of the track. Each secondary driving structure includes a ground engaging driving structure that is pref...
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WO1999040499A9 |
A cruise bar (40) is provided for use with a lawn tractor (10). The lawn tractor (10) includes a frame (18), driving means (14) for use in driving the lawn tractor (10), a first drive wheel (16a) for use in driving the lawn tractor (10),...
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WO/1999/046972A1 |
Broadly, one aspect of the present invention is an articulated combine (10) having increased grain storage capacity (e.g., 1,200 bushels) and which is composed of a forward unit (12) having an operator's cab (15), an engine (18), a grain...
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WO/1999/038752A1 |
A children's ride-on vehicle is provided with a chassis (12) formed at least in part of molded plastic, a seat (14) mounted to the chassis (12) and configured to accommodate a driver, and first and second driven wheels (16, 18) mounted t...
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WO/1999/032344A1 |
The invention concerns a steering method for a walking person driving a self-propelled trolley comprising a right drive wheel, a left drive wheel, at least two pivoting wheels, a handle for the trolley to be operated by the driver, which...
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WO/1999/010606A1 |
A skid steer loader vehicle (10) comprising a body having a front end (12) and a rear end (13) and provided with first (14) and second (17) ground engageable propulsion means respectively disposed on opposite sides of the vehicle and in ...
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WO/1998/051523A1 |
A drive unit provided with a power transmission path interlockingly connecting an engine (E) to left and right sprockets (12L, 12R), which are adapted to drive left and right crawlers (11) of left and right traveling parts (1L, 1R), via ...
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WO/1998/043845A1 |
The present invention relates to a device for a differential gear for vehicles, comprising driving means (32, 210) capable of driving the vehicle and steering means (18, 212) capable of changing the direction of the vehicle, which differ...
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WO/1998/032645A1 |
A mobile agricultural machine which comprises travelling speed change members (23, 24) for effecting speed change and transmission of a drive force of an engine (21) to right and left travelling sections (2, 2), with a travelling speed c...
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WO/1998/022734A1 |
A multiple input, dual output differential motor transmission device (141, 142) incorporates a sun gear device (12) having first and second sun gears (12a, 12b) fixedly connected to each other whereby the first and second sun gears (12a,...
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WO/1998/012098A1 |
In an operation mechanism of an HST system transmission apparatus of the type in which an HST system non-stage transmission mechanism for driving and an HST system non-stage transmission mechanism for turning are disposed, the HST system...
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WO/1998/010972A1 |
A pump operating unit (40) is provided in an operating section for controlling the steering and speed change of travelling sections (1L, 1R) connected interlockingly to a pair of variable flow rate control pumps (PL, PR) via link mechani...
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WO/1998/006617A1 |
Child's vehicle (10) including body portion (12) configured to carry a child, having at least three wheels (20, 22) mounted to the body portion. The vehicle includes a drive system with an electric motor (24) and a battery (26), the driv...
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WO/1997/045313A1 |
An electrically powered vehicle having two primary ground engaging wheels (5) operatively connected to a driving motor (10) by an automatic transmission (50) and to a steering motor (20) by a shiftable bevel gear (7b) which permits oppos...
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WO/1997/040996A1 |
A road maintenance tracklaying vehicle (1) has an internal combustion engine (2) which drives by means of a gear (3, 13, 14) the tumbler (4) of each track (5), and secondary drives (6) for accessory units (7, 8, 9) such as rotary snow pl...
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