Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...
Reexamination Certificate
2005-01-25
2005-01-25
Morris, Lesley D. (Department: 3611)
Motor vehicles
Having four wheels driven
With differential means for driving two wheel sets at...
C180S233000, C701S069000, C701S070000
Reexamination Certificate
active
06845838
ABSTRACT:
A four-wheel drive vehicle provides a torque distribution clutch mechanism which directly transmits the driving force generated from the engine to one of two front wheels or two rear wheels, and which transmits it to the other wheels therethrough in order to control the engaging force in accordance with a traveling status of the four-wheel drive vehicle. The vehicle further comprises a tight corner judging structure, a normal mode setting structure, a low friction road judging structure and a tight mode setting structure. The tight corner judging structure judges whether the vehicle travels at a large turning angle or not, and the normal mode setting structure sets a normal mode to control the engaging force when it is judged by the tight corner judging structure that the vehicle does not travel at the large turning angle. Further, the low friction road judging structure judges whether the vehicle travels on a low friction road or not, and the tight mode setting structure for setting a tight mode to control the engaging force in a condition that it is judged by the tight corner judging structure that the vehicle travels at the large turning angle when it is judged by the low friction road judging structure that the vehicle dose not travel on the low friction road.
REFERENCES:
patent: 5737714 (1998-04-01), Matsuno et al.
patent: 6094614 (2000-07-01), Hiwatashi
patent: 6208929 (2001-03-01), Matsuno et al.
patent: 6393351 (2002-05-01), Frediani et al.
patent: 6449552 (2002-09-01), Ohba et al.
patent: 6453228 (2002-09-01), Shimada
patent: 6604595 (2003-08-01), Sakakiyama
patent: 6634451 (2003-10-01), Sakakiyama
Imai Fukami
Wakao Hisaaki
Lum L.
Morris Lesley D.
Toyoda Koki Kabushiki Kaisha
LandOfFree
Four-wheel drive vehicle does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Four-wheel drive vehicle, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Four-wheel drive vehicle will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3414573