Active front steering actuator

Details Active front steering actuator Active front steering actuator

2008-01-29

2008-01-29

Lewis, Tisha (Department: 3681)

Planetary gear transmission systems or components

Steering by driving

With condition responsive steer control

C180S428000, C180S444000

Reexamination Certificate

active

11219499

ABSTRACT:
A steering system includes a differential transmission having an input shaft and an output shaft, a rotary input device attached to the input shaft, a movable steering effector in operable communication with the output shaft, an angular-to-linear converter which converts a rotative motion of the output shaft to a linear motion that acts to move the steering effector. The motion of the steering effector enables path alteration of a vehicle. The steering system also includes an electromotive actuator in operable communication with the differential transmission. An activated electromotive actuator provides an active alteration of a speed change between a speed of the input shaft and a speed of the output shaft and a deactivated electromotive actuator provides a default speed change between the speed of the input shaft and the speed of the output shaft.

REFERENCES:
patent: 4871040 (1989-10-01), Zuraski et al.
patent: 5119898 (1992-06-01), Eckhardt et al.
patent: 5265019 (1993-11-01), Harara et al.
patent: 5704446 (1998-01-01), Chandy et al.
patent: 6135233 (2000-10-01), Yamauchi
patent: 6896090 (2005-05-01), Kanda et al.
patent: 7063636 (2006-06-01), Augustine
patent: 2002/0029922 (2002-03-01), Richardson et al.
patent: 2006/0264290 (2006-11-01), Arbanas
U.S. Appl. No. 10/868,612, filed Jun. 15, 2004.

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