Motor vehicles – Power – Having specific motor-to-body-frame relationship
Patent
1982-01-28
1984-04-03
Spar, Robert J.
Motor vehicles
Power
Having specific motor-to-body-frame relationship
180297, 248585, 248638, B60K 500
Patent
active
044402570
ABSTRACT:
A bearing arrangement for mounting a drive unit on a supporting framework of a vehicle is designed so that vibrations from the drive unit are isolated from the vehicle. The arrangement includes at least one torque bracing device for counteracting the reaction moment created by the output shaft of the drive unit by transmitting these torques to the framework. Supporting bearings intercept inertial forces of the drive unit, but in order to accomplish the vibration insulation the torque bracing device is made flexible with respect to inertial forces so as to prevent their transmission to the framework by said torque bracing device. Thus, these static or quasi-static inertial forces do not overload a spring element with a progressive characteristic that is provided in the arrangement. Inertial forces can be converted into torques by proper location of the support bearings away from the centroidal axis of the drive unit. Further, by mounting elongated elements of the torque bracing devices at points that are free of transverse vibrations, the torque bracing can be rendered free of inertial vibrations.
REFERENCES:
patent: 3825090 (1974-07-01), Runkle et al.
patent: 4240517 (1980-12-01), Harlow et al.
Spar Robert J.
Underwood Donald W.
Volkswagenwerk Aktiengesellschaft
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