Method and apparatus for controlling vehicular suspension

Details Method and apparatus for controlling vehicular suspension Method and apparatus for controlling vehicular suspension

1991-02-08

1992-08-25

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

36442405, B60G 1126

Patent

active

051412462

ABSTRACT:
A discriminating value approximately corresponding to the amount of a change in mean effective pressure is calculated on the basis of the revolution period of an internal combustion engine, and a cause for the vibration of the vehicle and conditions in driving on a rugged road are indirectly detected from a misfire-originated change in engine torque. The natural frequency of the suspension of the vehicle with the internal combustion engine mounted thereon is adjusted based on the result of the detection, thereby automatically preventing comfortable riding from being deteriorated by a misfire-originated change in torque or by a drive on a rugged road.

REFERENCES:
patent: 4826205 (1989-05-01), Kouda et al.
patent: 4938499 (1990-07-01), Kawabata
Dr. R. Latsch et al, "Experiences with a New Method for Measuring the Engine Roughness", 1979, pp. 305 (1-15).

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