Passive mechanical damping system for a truck

Details Passive mechanical damping system for a truck Passive mechanical damping system for a truck

1990-06-12

1991-03-12

Marmor, Charles A.

Motor vehicles

Bodies

Tractor and similar vehicle cabs

180300, 248562, 248636, 296 351, B62D 3310

Patent

active

049985922

ABSTRACT:
A passive mechanical damping system, particularly for the suspension of a cab from a truck frame, provides a minimal level of damping force to impede the free movement of a truck cab about its nominal height and also provides higher levels, progressively or in discrete steps, of damping as the movement of the cab exceeds preset limits of displacement defined by a lost motion connection to provide maximum vibration isolation while providing additional damping to control cab movement when the preset displacement limits are exceeded. The system provides a low rate viscous damper continuously connected between the cab and the truck frame and a high rate viscous damper connected therebetween through a lost motion connection.

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patent: 4438970 (1984-03-01), Boucher
patent: 4671227 (1987-06-01), Holloweger et al.
patent: 4871189 (1989-10-01), Van Breeman

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