クランクシャフトの回転方向がアイドル振動に与える影響 [in Japanese] Rotation Direction of Crankshaft Affects Idle Shake on a FWD Car [in Japanese]
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This paper discusses a theoretical and experimental idle shake affected by a direction of crankshaft rotation of Engine on a Front Wheel Drive passenger car. On the left-side view of the FWD car, counter clockwise rotation direction of the crankshaft is best for Idle Shake. A tuned radiator damper built in the front-end of the engine compartment is effective to reduce the body bending vibration. The tuned damper has an additional phase-shift effect to cancel the responses of the body vibration caused by the two excitation forces which are rolling moment and vertical force of the engine.
- Transactions of the Society of Automotive Engineers of Japan
Transactions of the Society of Automotive Engineers of Japan 36(5), 199-204, 2005-09-15