Driveshaft with additional masses

Rotary shafts – gudgeons – housings – and flexible couplings for ro – Shafting – Particular vibration dampening or balancing structure

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Details

464183, B60K 1722, F16C 302

Patent

active

053464320

ABSTRACT:
The invention has a driveshaft (6, 8a, 8b and 10), especially used in the drive line of a motor vehicle (1), with a tubular shaft which has a central tube region (R.sub.m) and end pieces (11 and 12) formed on both ends. For optimizing the torsional characteristics of the driveshaft (6, 8a, 8b and 10), it includes at least one mass element (13) which is formed by reducing the inner diameter (D.sub.i) and/or increasing the outer diameter (D.sub.a) of the shaft wall. These additional mass elements (13) may be arranged symmetrically or asymmetrically in the axial direction of the driveshaft (6, 8a, 8b and 10). If the additional mass elements are arranged asymmetrically, the center of gravity is displaced, thereby optimizing the driveshaft 6, 8a, 8b and 10) of certain vehicle types with respect of its natural frequencies.

REFERENCES:
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patent: 4614506 (1986-09-01), Sakata
patent: 4747799 (1988-05-01), Kato
patent: 4838833 (1989-06-01), Coursin
patent: 4895551 (1990-01-01), Fritz

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