Power unit supporting apparatus for automobile

Details Power unit supporting apparatus for automobile Power unit supporting apparatus for automobile

1990-08-02

1991-12-24

Rice, Kenneth R.

Motor vehicles

Frame

With structure adapted to receive or support a motor,...

180300, 280716, B62D 2100

Patent

active

050743740

ABSTRACT:
A power unit supporting apparatus for an automobile for supporting on a vehicle body a power unit including an engine portion having a crankshaft directed in a longitudinal direction of the vehicle body and a drive shaft extended in a lateral direction of the vehicle body for driving wheels, and further including a first elastic support device for elastically supporting on the vehicle body a first end of the power unit which is far from a compartment, a second elastic support device for elastically supporting on the vehicle body that intermediate portion of the power unit which sandwiches the center of gravity of the power unit between the first end and the intermediate portion of the power unit, and a displacement defining device provided between the second end of the power unit close to the vehicle room and the vehicle body to resiliently restrain a vertical displacement of the second end in an amount more than a predetermined level, wherein the spring constants of the first and second elastic support devices are set to be relatively large in the vertical direction of the power unit and relatively small in a rolling direction of the power unit. The rolling vibration of the power unit is effectively absorbed during idling and the pitching amplitude of the power unit is effectively restrained during load operation to exhibit a reliable proof against floating up of the power unit.

REFERENCES:
patent: 2084080 (1937-06-01), D'Aubarede
patent: 4420060 (1983-12-01), Kakimoto
patent: 4667764 (1987-05-01), Sawada et al.

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