U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6637829

Decorative Jeweled Wheel Cover

An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 180/245 - Including separate mechanical assemblies for transmitting drive to each of two wheels at one end of vehicle


Subclass of Class 180 - Motor vehicles
Definition: Vehicle which includes one group of mechanical elements
No. of patents: 73
Last issue date: 11/01/2011


1    
NumberTitleIssue Date
8047322Optionally connectable four-wheel drive vehicle
An optionally connectable four-wheel drive vehicle provided with an engine having a drive shaft, two main drive wheels, a main power train permanently connecting the drive shaft to the main drive wheels, and in turn comprising a transmission and a main differential,...
11/01/2011
8002070Motor vehicle having a switchable four wheel drive
A motor vehicle is provided that has an engine, front and rear wheels and a clutch system for selectively distributing engine torque to the front and rear wheels. A controller judges in real time the state of motion of the vehicle and controls the torque distributio...
08/23/2011
7806219Axle drive unit for a drive train
An axle drive unit for an all-wheel drive train comprises an input element which is connectable to an input shaft, such as a cardan shafts. The input shaft extends in a longitudinal direction. The drive unit comprises a power-split device, of which the input member ...
10/05/2010
7766116Vehicle with optimized on-demand front drive system
A vehicle that includes front and rear wheels, an engine, an engine-driven rear angle drive for supplying torque to the rear wheels, and a power train for supplying torque from the engine to the front wheels. The power train includes driving and driven members and a...
08/03/2010
7610982Front and rear drive power distribution control device for vehicle
A drive power distribution control section calculates an engaging torque of clutch means including an input torque sensitive transfer torque, a steering angle/yaw rate sensitive transfer torque, and a tack-in prevention transfer torque. The input torque sensitive tr...
11/03/2009
7575084Automobile and control apparatus, and power train system of automobile
An automobile is equipped with a gear type transmission having a first torque transfer path between input and output shafts formed by mesh type clutches and a second torque transfer path between input and output shafts formed by transfer torque variable systems, and...
08/18/2009
7383910Drive force control method for four-wheel drive vehicle
A drive force control method for a four-wheel drive vehicle having front wheels as main drive wheels always connected to a driving source, rear wheels as auxiliary drive wheels whose drive torque is adjustable, and a mechanism capable of adjusting a torque distribut...
06/10/2008
7377351Power train for a utility vehicle
A power train for a vehicle includes a gearbox with an input shaft and an output shaft and is configured such that the input shaft drives the output shaft at a single speed ratio in a first direction and a single speed ratio in a second direction. The output shaft i...
05/27/2008
7361113Torque distributing drive unit for motor vehicles
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively ...
04/22/2008
7357210Vehicle power transmission system
A vehicle power transmission system comprises: a prime mover mounted on a vehicle body frame; a first axle and a first transaxle for driving the first axle disposed at one of front and rear portions of a vehicle, the first transaxle having a first input part project...
04/15/2008
7319927Constant speed control system
A method is provided for controlling a low speed operation of a vehicle. A speed activation switch is activated. A target vehicle speed is calculated in response to an accelerator pedal demand as determined by an accelerator pedal position where each respective acce...
01/15/2008
7278948“Zero” lash spherical differential assembly using spring washers
A differential assembly includes a differential housing including a substantially spherically shaped chamber. A pair of spherically shaped side gears are rotatably positioned in the chamber in driving communication with a pair of spherically shaped pinion gears. A p...
10/09/2007
7264078Calibration method for inter-axle differential control system
A vehicle includes steerable front wheels, an interaxle differential for transmitting torque from an engine to the front wheels and to rear wheels. The differential includes a controllable clutch operable to control a ratio of front wheel speed to rear wheel speed. ...
09/04/2007
7258187Torque vectoring axle
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively...
08/21/2007
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
7234553Vehicle driving force control apparatus
A driving force control apparatus is provided to prevent shocks from being generated during clutch engagement or release. The clutch is maintained in an engaged state and shocks are prevented from accompanying clutch release during creep travel when the target motor...
06/26/2007
7229384Drive train and method for controlling a drive train
A method for controlling a drive train (40) of a motor vehicle (42), to a method for controlling a clutch device (46), and to a drive train of a motor vehicle (42), said drive train (40) being operated in a first operating mode, th...
06/12/2007
7223193Differential mechanism
A differential mechanism includes a casing having two opposite ends each having a cover longitudinally mounted thereon. A rotator assembly is mounted in the casing and has a seat received in the casing. A shaft is diametrically mounted in the seat. Two differential ...
05/29/2007
7152704Four-wheel drive work vehicle
A four-wheel drive work vehicle includes an engine, a pair of right and left steerable wheels rotatably driven by receiving power from the engine via a differential mechanism, a pair of right and left non-steerable wheels rotatably driven by receiving power from the...
12/26/2006
7111702Steering angle control of independent rear clutches in a four-wheel drive vehicle
A method and apparatus for a four-wheel drive motor vehicle provides improved cornering by disengaging drive torque to the inside rear wheel during significant steering maneuvers. The apparatus includes a primary front wheel drive motor vehicle driveline having a ce...
09/26/2006
7091842Four wheel drive alert
An apparatus is disclosed comprising an audio alert device, a timer, a processor; and a four-wheel drive device for a subject vehicle. The processor may activate the timer when the four-wheel drive device indicates that the subject vehicle has been placed in a four-...
08/15/2006
7080707Torque vectoring drive axle assembly
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively...
07/25/2006
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
7059992Power transfer assembly for four-wheel drive vehicle
A power transfer assembly for a four-wheel drive vehicle includes first and second output shafts and a drive mechanism operable to selectively transfer drive torque from a driven input shaft to the output shafts. The drive mechanism includes a differential assembly,...
06/13/2006
7051619Vehicle axle assembly with internally-splined input shaft
A motor vehicle axle assembly includes a hollow cylindrical, internally-splined input shaft that is adapted to be connected to an externally-splined shaft of an end fitting of a driveshaft assembly. By using the mass centerline or center of balance of the end fittin...
05/30/2006
6962227Torque vectoring drive axle assembly
A drive axle assembly includes a pair of axleshafts connected to a pair of wheels, and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively...
11/08/2005
6945347Drive power controller for hybrid vehicle
A drive power from an engine is transferred to front wheel drive systems and rear wheel drive systems via a central differential. A torque distribution ratio between front and rear wheels defined by the central differential is set to one for the front wheels being m...
09/20/2005
6932033System and method for improving VCT closed-loop response at low cam torque frequency
Known method suitable for implementation in a computer program product for VCT closed-loop control system generally includes an integrator to eliminate the steady state error. A novel method suitable for implementation in a computer program product includes a set po...
08/23/2005
6907953Driving force distribution control device and driving force distribution method for four-wheel drive vehicle
An ECU, which functions as a driving force distribution control apparatus for a four-wheel drive vehicle, includes a CPU. The CPU controls a coupling for changing torque distribution of front and rear wheels. The CPU determines either of first and second torque dist...
06/21/2005
6896085Power switching apparatus
In a power switching apparatus which switches a power transmitting state from a drive member to left and right two driven members, a circumferential connection surface of the drive member and each of circumferential connection surfaces in both of the driven members ...
05/24/2005
6883634Tractor
The present invention provides a tractor 1 constructed so that an engine 2 is mounted on the front portion of a traveling vehicle body having front wheels 19 and rear wheels 11, a transmission case 3 is provided at the rear portion...
04/26/2005
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
6805217Power transmission mechanism of four-wheel drive vehicle
A power transmitting mechanism for a four-wheel drive vehicle. In the mechanism, a power unit is mounted between a front wheel and a rear wheel; each of a differential gear for front wheels and a final speed reducer for rear wheels locates centrally relative to a wi...
10/19/2004
6789639Carrier vehicle
To provide a carrier vehicle capable of restraining an increase in cost of a power train, the carrier vehicle is constructed by front axles provided respectively steerably on left and right sides of a front portion of the vehicle and mounted with wheels, a first eng...
09/14/2004
6557659Driveline assembly with vibration dampener
A driveline assembly for interconnecting one driveline component to another driveline component includes a vibration dampening mechanism. The vibration dampening mechanism is installed between a universal joint member and a companion flange. The universal...
05/06/2003
6550559System and method for controlling hub locks in a four-wheel drive vehicle
A control system or apparatus (10) is provided which is deployed within a four-wheel drive vehicle (12) and which is adapted to automatically control the activation and deactivation (i.e., locking and unlocking) of hub locks (44) according to a certain co...
04/22/2003
6547025All wheel drive system for a motor vehicle
An all wheel drive system for a motor vehicle having a front differential and rear differential, a pair of front and rear halfshaft assemblies, a power takeoff unit, a constant velocity joint connected to the power takeoff unit, a first proshaft, a plungi...
04/15/2003
6512972Torque distribution on four wheel drive vehicles
A four wheel drive vehicle, which has an automatic four wheel drive mode, includes a trailer tow detection strategy. If a trailer tow situation is encountered while in automatic four wheel drive mode, then the duty cycle of a clutch in a transfer case can...
01/28/2003
6470988Differential assembly with synchronizing preload
A differential assembly having a preload or biased differential case. A beveled thrust washer is disposed between each side gear and the differential case. The beveled thrust washer induces a preload between the side gear and differential case to help ens...
10/29/2002
6464032Worm drive axle traction assembly
A traction drive axle is provided for providing an all-wheel drive operating mode. The traction drive axle includes a unique double enveloping worm/worm gear transmission. A worm is driven by a propshaft which is meshingly engaged with an enveloping worm ...
10/15/2002
1    
 
Sign InRegister
Username  
Password   
forgot password?