Browse Publications Technical Papers 2000-01-1632
2000-05-01

Elimination of Roll, Squat, and Dive Through Biased Suspension Response 2000-01-1632

Conventionally sprung vehicles are subject to rolling and pitching of the sprung load as the vehicle corners and accelerates, respectively. Designs which incorporate active elements seek to control these movements, frequently resulting in compromised performance or reduced fuel economy.
This paper considers the possible replacement of conventional springs, shocks, and anti-sway bars with specified fluid spring components. The fluid spring components offer biased response to dynamic load variations in the following manner:
  • provide support of the sprung load equal to the magnitude of the load at each moment, and either
  • compressing readily to absorb upward forces originating in the wheel assembly which exceed the magnitude of the load at that moment, or
  • extending rapidly to provide support equal to the magnitude of the load at that moment, in the event the wheel assembly tracks through a hole.
The fluid spring's biased response ensures the suspension's load supporting function does not compromise its function in isolating the load from road irregularities.

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