Counter vibration generating power unit mounting device

Details Counter vibration generating power unit mounting device Counter vibration generating power unit mounting device

1994-01-25

1997-05-13

Graham, Matthew C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714015, F16F 910

Patent

active

056284993

ABSTRACT:
An active type of mounting device for mounting a power unit to a vehicle body includes a vibratory member which generates vibrations so as to damp external vibrations applied to the mounting device from the power unit. The resonance frequency of the vibratory member is regulated by varying of the supporting stiffness or flexibility of the vibratory member or by varying of a variable mass attached to the vibratory member to obtain a specific frequency within a frequency band of external vibrations according to engine speed and/or vehicle speed.

REFERENCES:
patent: 4638983 (1987-01-01), Idigkeit et al.
patent: 4693455 (1987-09-01), Andra
patent: 4869474 (1989-09-01), Best et al.
patent: 4869477 (1989-09-01), Hoying et al.
patent: 5145156 (1992-09-01), Muramatsu et al.
patent: 5344129 (1994-09-01), Ioe et al.
patent: 5388812 (1995-02-01), Kojima et al.

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