Motor vehicles – Transmission mechanism – Transmission support
Patent
1990-02-05
1991-11-26
Kashnikow, Andres
Motor vehicles
Transmission mechanism
Transmission support
74607, 180381, B60K 1722
Patent
active
050675826
ABSTRACT:
A drive assembly for motor vehicles comprises a front power unit which is elastically supported at the vehicle body and which is rigidly connected with a rear drive unit by means of a center tube through which a drive shaft extends. The front area of the center tube has a low bending stress and is connected to the power unit. This front area of the center tube has at least one longitudinal slot which is axially limited in its length and which is arranged in a vertical longitudinal center plane of the center tube. The slot causes a reduction of the torsional rigidity while, at the same time, the bending rigidity of the center tube is maintained. As a result, the torsional natural frequency of the assembly is reduced so that torsional resonance and vibrations at the transmission line are avoided during the driving operation.
REFERENCES:
patent: 1243862 (1917-10-01), Olson
One sheet from the European Patent Office, 11/1985.
One-Page Office Action with Cited References: W. Hanisch, K. Stehle, Der Antriebsstrang des Porsche 928, in: ATZ 79 (1977), Heft 10, S. 459-462 and R. Sivers, R. Muller, Der Antriebsstrang des Posche 924, in: ATZ 78 (1976), Heft 6, S. 259-262.
Eisenhauer Egon
Muller Robert
Dr. Ing. h.c.F. Porsche AG
Kashnikow Andres
Mar Michael
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