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Class 180/244 - With means for braking either (1) one or more driven wheels or (2) structure transmitting drive to wheel


Subclass of Class 180 - Motor vehicles
Definition: Vehicle provided with means for either (a) applying a force
No. of patents: 127
Last issue date: 04/15/2008


1        
NumberTitleIssue Date
7357214Four-wheel drive combine with slip control
An agricultural combine has a variable displacement pump connected to four drive motors that drive four wheels. An electronic controller monitors the speed of each wheel and reduces the torque of the motor that drives the wheel when the wheel slips. The controller r...
04/15/2008
7328955Control device for four-wheel drive vehicle
When supplied with a signal for correcting a vehicle behavior is input from a brake controller, an electrically-driven parking brake controller releases actuation of an electrically-driven parking brake when the electrically-driven parking brake is actuated. When su...
02/12/2008
7322436Automatic axle traction control
An automatic axle engagement system utilizes wheel speed sensors, engine control, and braking control to provide optimal engagement of a front drive axle to provide all wheel drive under poor driving conditions. The system includes a transfer case that is coupled to...
01/29/2008
7281376Hydraulic hybrid powertrain system
A hydraulic hybrid powertrain system includes a power plant generating a high pressure fluid at an output, at least one drive motor responsive to the high pressure fluid for generating rotary motion at an output, and a mode selection device connected to the power pl...
10/16/2007
7278947Power transfer unit for four-wheel drive vehicle
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing...
10/09/2007
7274982Vehicle motion control system
A vehicle motion control system is provided. In a first state requiring understeer suppressing control, a controller determines, based on a yaw rate deviation, a first control amount of an actuator selected so as to generate an inward turning moment a vehicle. In a ...
09/25/2007
7266437Temperature dependent trigger control for a traction control system
A method a operating a traction control system using a traction controller (30) for an automotive vehicle (10) is provided. A slip target is first determined. Then, an operating temperature turning characteristic or slope of the slip curve may, in comb...
09/04/2007
7238134Torque vectoring drive axle assembly
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op...
07/03/2007
7220209Multimodal vehicle traction system
This invention relates to multiple driven axle vehicles, and particularly to all-terrain vehicles equipped for rear wheel drive, four wheel drive, and on-demand front wheel drive. The invention is directed toward a system of switchable traction options allowing the ...
05/22/2007
7204352Brake device for vehicle
A brake device includes a brake disk fixed to a power transmission shaft, and a brake caliper for braking the brake disk by a nipping action. The brake caliper includes a caliper bracket fitted to a final gear case, and a caliper body detachably fitted to the calipe...
04/17/2007
7198335Method and system for controlling regenerative braking of a four wheel drive electric vehicle
Controlling regenerative braking of front and rear motors of a four wheel drive electric vehicle equipped with front and rear motors and a manual transmission having a clutch, based on whether the clutch is engaged or not. ...
04/03/2007
7165644Method and apparatus of controlling an automotive vehicle using brake-steer as a function of steering wheel torque
A method of controlling an automotive vehicle having a turning radius includes determining a hand wheel torque and applying brake-steer as a function of hand wheel torque. ...
01/23/2007
7147076Drive system for off-road vehicle
An off-road vehicle has front and rear wheels. An engine unit powers the wheels. The engine unit has an output shaft. A front differential is coupled with the front wheels. The front differential has a front input shaft. A front drive connects the output shaft and t...
12/12/2006
7109857Brake light warning system for safety helmets and method of operation
A brake light warning system for safety helmets includes a transmitter module adapted for mounting to a vehicle, such as a motorcycle, and a receiver module adapted for mounting to a safety helmet. The transmitter module is configured to continuously transmit a tran...
09/19/2006
7059991Torque vectoring limited slip differential assembly
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing...
06/13/2006
7059990Torque vectoring drive axle assembly
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op...
06/13/2006
7044259Hydraulic transmission for driving and steering wheels
In a hydraulic transmission for driving and steering wheels of a vehicle, which has at least a first pair of laterally disposed wheels, a first hydraulic pump is operatively connected to a driving source with inlet/outlet ports respectively and fluidly connected to ...
05/16/2006
7028801Multi-wheel-drive vehicle with a front transaxle device
A multi-wheel-drive vehicle has at least six wheels, a transmission with a first brake, and a transaxle device for the front drive wheels. The transaxle device includes a drive axle, an input shaft rectangular to the drive axle for receiving power from the transmiss...
04/18/2006
7004876Torque vectoring limited slip differential assembly
A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing...
02/28/2006
6976553Multimodal vehicle traction system
This invention relates to multiple driven axle vehicles, and particularly to all-terrain vehicles equipped for rear wheel drive, four wheel drive, and on-demand front wheel drive. The invention is directed toward a system of switchable traction options allowing the ...
12/20/2005
6935455Drive system control method and drive power transmission control system for vehicle
A drive system control method and a drive power transmission control system for a four-wheel drive vehicle are provided for enabling the vehicle to operate selectively in an ordinary mode and an anti-vibration mode. In the ordinary mode, the connection force of a co...
08/30/2005
6904992Four-wheel-drive all terrain vehicle
Disclosed is a four-wheel-drive all terrain vehicle capable of smoothly braking wheels in braking operation of rear wheels and having simplified structures of a drive force disconnecting device and a 2WD/4WD switching device. The drive force disconnecting device is ...
06/14/2005
6904993Hydrostatic drive and method for operating such a hydrostatic drive
A hydrostatic drive (1) with a hydraulic pump (3) and a plurality of hydraulic motors (6-9) that are hydraulically linked with the hydraulic pump (3). One speed sensor (20; 21; 22; 23) each allocated to a respective hydraulic motor...
06/14/2005
6904994Horizontal transmission and oil system for telehandlers
A power train arrangement having a prime mover and a transmission coupled to the prime mover for driving a cooling system with the prime mover through the transmission. The transmission is positioned intermediate to the prime mover and the cooling system in a manner...
06/14/2005
6883630Inboard brake system for a straddle-type all-terrain vehicle
A brake system is provided for a straddle-type ATV. The brake system includes a brake caliper configured to mount to a gear box of the ATV and a brake disk configured to connect to a coupling member of the gear box coupled to a shaft and positioned in operative rela...
04/26/2005
6843749Apparatus and method to achieve multiple effective ratios from a fixed ratio transaxle
A motor vehicle drive train assembly for achieving multiple effective ratios from a single ratio transaxle enables application of a fixed ratio transaxle, such as used in electric vehicle drive trains, to a multi-speed requirement, for example, in airport ground sup...
01/18/2005
6840343Tire side slip angle control for an automotive vehicle using steering peak seeking actuators
A stability control system (24) for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The controller (26) is coupled to the sensors. The controller (26) determines a lateral force in response to...
01/11/2005
6829529Traction control system including setpoint slip adjustment
A method for providing traction control when starting off a vehicle on a road surface having different adhesive friction values between the right and left sides of the vehicle, the driven low-μ wheel being regulated to a specified setpoint slip pre-control value by...
12/07/2004
6823252Drive power distribution control method and device for four-wheel drive vehicle
A four-wheel drive vehicle is provided with a drive power transmission device for controlling the connection degree of a front wheel axle driven by an engine with a rear wheel axle. A drive power distribution control device is responsive to a vehicle speed, a rotati...
11/23/2004
6817434Active hydraulically actuated on-demand wheel end assembly
The vehicular axle assembly includes an input shaft, a drive gear assembly connecting the input shaft to a pair of output shafts, pair of opposite wheel ends mounted to the outboard ends of the output shafts, a pair of wheel end disconnect assembly disposed between ...
11/16/2004
6772864Motorized cycle having independent brake system
A motorized cycle includes a base board, a brake crank, a first operation member, a first drive plate, two front brake wires, an oil pump, a second operation member, a second drive plate, and a rear brake wire. Thus, the two rear wheels are braked independently, and...
08/10/2004
6687594Traction-slip control method with theoretical transversal acceleration and control circuit for carrying out such a traction-slip control method
The invention relates to a traction slip control method for an automotive vehicle wherein a traction slip control phase for a respective drive wheel is activated by way of a control strategy when the traction slip of said wheel exceeds a predeterminable s...
02/03/2004
6644428Automatic axle traction control
An automatic axle engagement system utilizes wheel speed sensors, engine control, and braking control to provide optimal engagement of a front drive axle to provide all wheel drive under poor driving conditions. The system includes a transfer case that is...
11/11/2003
6634446Multi-wheel-drive vehicle with a front transaxle device
A multi-wheel-drive vehicle has at least six wheels, a transmission with a first brake, and a transaxle device for the front drive wheels. The transaxle device includes a drive axle, an input shaft perpendicular to the drive axle for receiving power from ...
10/21/2003
6631320Electronic traction control system
An articulated work machine has a front frame and a rear frame connected for pivotal movement therebetween for steering the machine by an articulation joint. Each of the front and rear frames has two driven wheels, spaced laterally, each having a brake as...
10/07/2003
6587775Driving force control system for four-wheel drive vehicles
A driving force control system for a four-wheel drive vehicle, which is capable of preventing occurrence of a tight-turn braking phenomenon by relatively simple construction to thereby reduce the manufacturing cost thereof, and at the same time, enhancing...
07/01/2003
6587774Method and system for operating a brake system of a motor vehicle having traction control
A method and a system for operating a brake system of a motor vehicle having traction control are described. The brake system contains sensors which are assigned to the individual vehicle wheels and with which a quantity representing at least the driving ...
07/01/2003
6584398Method and device for exercising a differential blocking function for a vehicle
A method for implementing a differential lock function for a vehicle. The vehicle is an all-wheel drive vehicle, and the differential lock function produces an interaxle lock acting between the front axle and the rear axle of the all-wheel drive vehicle. ...
06/24/2003
6553303Driving force distribution control system and vehicle having the driving force distribution control system
A correction coefficient setting unit calculates as a difference in an actual revolution speed the difference between the actual revolution speed of a front driving axle and the actual revolution speed of a rear driving axle. Moreover, the correction coef...
04/22/2003
6470659Four wheel drive working vehicle
A four wheel drive working vehicle such as a front mower has a dual one-way clutch mechanism interlocked to right and left dirigible wheels. When the vehicle makes a turn in forward or backward running, the clutch mechanism breaks drive transmission only ...
10/29/2002
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