Vibration insulating device

Details Vibration insulating device Vibration insulating device

1995-12-13

2000-05-16

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

180312, F16F 1300

Patent

active

060625503

ABSTRACT:
A fluid sealed type vibration insulating device provided with an actuator for generating an active supporting force. The vibration insulating support device includes a main fluid chamber defined by a cylindrical elastic support and a movable plate connected to a non-linear type plate spring. The main fluid chamber is fluidly communicated with a variable-volume auxiliary fluid chamber through an orifice. The actuator moves the movable plate to change a dynamic spring characteristic and a damping characteristic of a fluid resonance system constituted by a mass of fluid in the orifice and a spring of an expanding direction of the elastic support and the plate spring. Therefore, a required output of the actuator is suppressed.

REFERENCES:
patent: 5042786 (1991-08-01), Freudenberg et al.
patent: 5052662 (1991-10-01), Doi
patent: 5277409 (1994-01-01), Goto et al.
patent: 5366211 (1994-11-01), Hamada et al.
patent: 5388812 (1995-02-01), Kojima et al.
patent: 5601280 (1997-02-01), Nagaya et al.

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