Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 9,034

Document Document Title
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...  
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...  
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...  
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...  
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...  
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)...  
WO2002060742A3
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...  
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)...  
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...  
WO/2002/100707A1
The invention relates to a hydrostatic drive comprising at least one hydraulic pump (1) and a first and a second hydraulic motor (6, 25), which are respectively connected to said hydraulic pump (1) by means of two service lines (4, 41, 5...  
WO/2002/085663A1
Left and right rear wheels (16B) are controlled independently and the traveling direction of a vehicle (10) is altered (turned) by the speed difference. A steering wheel is normally provided and steered constantly by a crew; but since th...  
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 ...  
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.  
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...  
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...  
WO2002046024A3
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...  
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 ...  
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...  
WO2002014136A3
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 ...  
WO/2002/045989A1
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2001/033939A1
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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,...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO1999054554A3
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...  

Matches 201 - 250 out of 9,034