Roll control system for a motor vehicle

Details Roll control system for a motor vehicle Roll control system for a motor vehicle

2007-06-26

2007-06-26

Dickson, Paul N. (Department: 3616)

Land vehicles

Wheeled

Running gear

C280S124152, C267S220000

Reexamination Certificate

active

10483166

ABSTRACT:
(57) A roll control system (20) for installation between axially aligned wheels of a motor vehicle, the roll control system comprising a torsion bar (22); a damper (24) attached to one end (28) of the torsion bar and attachable to one of the wheels; and attachment means (25) attached to the other end (29) of the torsion bar and attachable to the other wheel; wherein the damper comprises an axially extending cylindrical housing (52); a piston (34) slidably mounted inside the housing; a piston rod (58) connected to the piston, extending out of one end (55) of the housing, and movable in an axial direction relative to the housing; a floating piston (35) slidably mounted in the housing between the piston and the other end of the housing; a compensation chamber (37) between the floating piston and the other end (54) of the housing containing a first pressurised fluid; a compression chamber (30) between the floating piston and the piston containing a second pressurised fluid; a rebound chamber (32) between the piston and the one end of the housing containing the second pressurised fluid; valve means (36) on the piston allowing restricted flow of the second pressurised fluid between the compression chamber and the rebound chamber; a rebound stop (60) positioned in the rebound chamber between the piston and the one end of the housing and providing a spring-effect on the movement of the piston towards the one end of the housing; and a compression stop (62) providing a spring-effect on the movement of the piston towards the floating piston. Provides an improved passive roll controle system.

REFERENCES:
patent: 1445615 (1923-02-01), Ferres
patent: 5549321 (1996-08-01), Novak et al.
patent: 5749596 (1998-05-01), Jensen et al.
patent: 6276693 (2001-08-01), Oakley et al.
patent: 6318524 (2001-11-01), Lutz et al.
patent: 2422825 (1975-01-01), None
patent: 2697474 (1994-05-01), None

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