Patent application number | Description | Published |
20090242294 | ELECTRIC DRIVE VEHICLE - An electric drive vehicle having a power generator coupled to an engine, a first power converter connected with the power generator for converting the AC power generated by the power generator to DC power, a second power converter connected with the first power converter, for converting the DC power to AC power, a power consuming device for consuming the DC power, connected to a DC circuit between the first and second power converters, an electric motor connected with the second power converter, and wheels driven by the electric motor, wherein the vehicle has a first control mode for controlling the output of the electric motor and a second control mode for controlling the power consumed by the power consuming device, and the second control mode performs such control that the operations of the second power converter and the electric motor in the first control mode are simulated. | 10-01-2009 |
20100161164 | ELECTRIC VEHICLE WITH PITCH CONTROL DEVICE - Changes in the number of passengers or in load cause significant changes in vehicle weight, thus making it impossible to appropriately suppress a pitching motion of a vehicle chassis, hence rendering a necessary driving torque difficult to ensure, resulting in a decrease in drivability being insuppressible. An electric vehicle with a drive including a motor and a controller comprises a pitching quantity detector that detects a magnitude of a pitching motion of the vehicle, a vehicle weight determination unit that determines weight of the vehicle, a torque correction calculator that uses a traveling state of the vehicle and the determined vehicle weight to change a driving torque output from the drive, and a control gain varying element that adjusts a control gain of the torque correction calculator according to a magnitude of the vehicle weight value output from the vehicle weight determination unit. | 06-24-2010 |
20100204887 | TURNING MOTION ASSISTANCE DEVICE FOR ELECTRIC VEHICLE - Disclosed herein is a turning motion assistance device for an electric vehicle, adapted to effectively reduce tire wear of the vehicle while at the same time ensuring appropriate turning response. | 08-12-2010 |
20100238007 | VEHICLE HAVING TIRE WEAR EVALUATION SYSTEM - A vehicle which evaluates tire wear properly even in a road condition that tires easily slip or lock up. The vehicle, which has a driven wheel and a driving wheel with tires attached thereto, includes: a revolution speed detector for detecting revolution speeds of the driven and driving wheels; a wheel speed detector for detecting wheel speeds of the driven and driving wheels based on the detected revolution speed data of the driven and driving wheels; a wheel speed ratio detector for detecting a wheel speed ratio between the driven and driving wheels based on the detected wheel speed data of the driven and driving wheels; and a tire condition evaluator for outputting an evaluation result indicating that the tire(s) attached to the driven wheel and/or driving wheel is(are) worn when the wheel speed ratio is higher than a preset threshold. | 09-23-2010 |
20110010040 | SYSTEM FOR MONITORING FOR RISK OF ROAD SHOULDER COLLAPSE, AND TRANSPORT VEHICLE - Disclosed herein is a shoulder collapse risk monitoring system capable of alerting a driver to a risk of a road shoulder collapse during approach operations to the shoulder. | 01-13-2011 |
20120212047 | ELECTRIC DRIVE VEHICLE - Problem to be Solved: To provide an electric drive vehicle that can be implemented inexpensively with a simple configuration, and includes a long-life power supply circuit of a diesel boost system. | 08-23-2012 |
20120239234 | ELECTRIC VEHICLE WITH PITCH CONTROL DEVICE - An electric vehicle includes a pitching state quantity detector for detecting quantity of a pitching-motion of the vehicle, a vehicle weight determiner, a pitching target quantity calculator for calculating a target quantity of a pitching motion at least from the determined vehicle weight, and a torque correction calculator for increasing/reducing a driving torque output, according to a particular differential between the detected pitching-motion state quantity and the calculated target quantity. | 09-20-2012 |
20120239257 | DUMP VEHICLE OVERTURN PREVENTING DEVICE - Provided is an overturn preventing device for a dump vehicle equipped with a body ( | 09-20-2012 |
20120279793 | ELECTRICALLY DRIVEN VEHICLE - Provided is an electrically driven vehicle capable of suppressing drive wheel slipping, even in low-speed regions where wheel speeds are undetectable. | 11-08-2012 |
20130103244 | DRIVING FORCE CONTROL DEVICE FOR ELECTRIC VEHICLE - Disclosed is a driving force control device that includes a determination section ( | 04-25-2013 |
20130116874 | PITCH CONTROL DEVICE FOR ELECTRIC VEHICLE - To suppress a change in a vehicle's attitude due to a pitch motion during vehicle braking, a pitch control device for an electric vehicle can prevent discontinuous negative acceleration from occurring at a moment of the vehicle stopping by appropriately controlling a braking force of the vehicle, thereby effectively controlling the pitch motion of the vehicle, and can enhance steering stability while ensuring riding comfort for passengers, even when traveling resistance significantly changes according to road surface gradient and when the vehicle weight significantly changes with increases/decreases in the number of drivers and in the quantity of goods loaded. | 05-09-2013 |
20130144480 | ELECTRICALLY DRIVEN VEHICLE - An electrically driven vehicle equipped with electric motors ( | 06-06-2013 |
20130166128 | ELECTRIC VEHICLE WITH PITCH CONTROL DEVICE - An electric vehicle includes a pitching state quantity detector for detecting quantity of a pitching-motion of the vehicle, a vehicle weight determiner, a pitching target quantity calculator for calculating a target quantity of a pitching motion at least from the determined vehicle weight, and a torque correction calculator for increasing/reducing a driving torque output, according to a particular differential between the detected pitching-motion state quantity and the calculated target quantity. | 06-27-2013 |
20130226388 | ELECTRICALLY DRIVEN VEHICLE - Provided is an electrically driven vehicle that is capable of suppressing drive wheel slippage without increasing the pitching vibration of the vehicle. The electrically driven vehicle having electric motors ( | 08-29-2013 |
20140129097 | DUMP VEHICLE OVERTURN PREVENTING DEVICE - Provided is an overturn preventing device for a dump vehicle equipped with a body and hoist cylinders. The dump vehicle overturn preventing device comprises: a loaded weight estimation unit which estimates loaded weight on the body; a vehicle rotation moment calculation unit which calculates a vehicle rotation moment Mb caused by movement of the dump vehicle's load upon discharging of the load; a reference moment calculation unit which determines a reference moment Ms not greater than an overturn threshold moment MI which is the minimum value of a rotation moment required to lift the front wheels off the ground; a judgment unit which judges whether or not the vehicle rotation moment Mb has exceeded the reference moment Ms; and a display device which notifies the driver that there is a probability of an overturn of the vehicle when the vehicle rotation moment Mb is judged to have exceeded the reference moment Ms. The device thus prevents overturning of the vehicle caused by the load sliding down from the body in a lump. | 05-08-2014 |
Patent application number | Description | Published |
20090048064 | DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK - A drive system of an electrically driven dump truck is capable of achieving an operational feeling in which the operation amount of the accelerator pedal is well balanced with the output horsepower of the electric motors, particularly at the time of slow traveling. To achieve this, the target motor output horsepower Pm | 02-19-2009 |
20090132116 | DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK - A drive system of an electrically driven dump truck that
| 05-21-2009 |
20090251090 | DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK - A drive system for an electrically driven dump truck is capable of preventing a prime mover from stalling and is also capable of enabling electric motors for traveling to make full use of the output horsepower of the prime mover up to an output limit of the prime mover. The target motor horsepower Mr | 10-08-2009 |
20100051359 | DUMP TRUCK - An electrically-driven dump truck | 03-04-2010 |
20100222951 | DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK - Engine driving characteristics are achieved for driving a hydraulic system during non-traveling and traveling in an electrically driven dump truck. | 09-02-2010 |
20120205961 | TRANSPORTER VEHICLE - Rear wheel tires of a vehicle body are spaced apart from each other in the vehicle width direction. A foreign object removing device is provided between an outer tire and an inner tire of the rear wheels on one side of the vehicle for removing foreign objects between the tires. The foreign object removing device includes a bar-shaped member inserted in a suspended state between the tires, and a shoe provided in a lower end side of the bar-shaped member to collide with foreign objects such as earth and sand, and stones getting in between the tires for flicking out the foreign objects from between the tires. The shoe is replaceably attached to the lower end side of the bar-shaped member by using a bolt. In a case where the shoe wears down, only the shoe is replaced. | 08-16-2012 |
Patent application number | Description | Published |
20140261152 | System for Indicating Parking Position and Direction of Dump Truck and Hauling System - The present invention provides a dump truck parking position/direction indication system and a hauling system that allow the operator of a loading machine to determine a parking position and a parking direction of a dump truck that let the operator easily perform the loading operation and to make the dump truck stop and park at the parking position and in the parking direction. The dump truck parking position/direction indication system in accordance with the present invention comprises: a bucket position detection device | 09-18-2014 |
20150032324 | MINING VEHICLE - A mining vehicle is provided, which is capable of appropriately recognizing a condition of a traveling road in front of the vehicle, preventing an obstacle on a roadside from being erroneously detected by a distance detector, and controlling the speed of the vehicle in a stable manner even when the vehicle is approaching a curved portion of the road from a linear portion of the road. | 01-29-2015 |
20150034441 | TROLLEY-TYPE TRUCK - A trolley-type truck is provided with a pantograph and travels in a trolley mode under electric power from an overhead wire and a non-trolley mode without obtaining electric power. The pantograph has a base frame, a bottom frame and a top frame rockably attached to the base frame, and a collector shoe supported by the top end portion of the top frame. A fixing member is disposed on the top end side of the top frame for fixing the pantograph, a hook device is disposed on the base frame, and a hook receiver is disposed on the base frame in order to receive the fixing member. When a frame assembly formed of the bottom frame and the top frame is folded, the fixing member becomes seated in the hook receiver and is pressed by means of the hook device, thereby securely fixing the frame assembly to the base frame. | 02-05-2015 |