Apparatus for supporting a vibrating object

Details Apparatus for supporting a vibrating object Apparatus for supporting a vibrating object

1986-11-17

1988-08-16

Reger, Duane A.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267121, F16F 300

Patent

active

047638842

ABSTRACT:
An apparatus for supporting a vibrating object (, e.g., a power unit of a vehicle) which can reduce a plurality of vibrations transmitted therethrough by changing the resonant frequency of a dynamic fluid damper constituted by the apparatus according to a frequency change of the vibrations. The apparatus comprises: (a) a first fluid chamber located on the vibrating object and having at least one elastic wall thereof; (b) a second fluid chamber located on another object and having at least one elastic wall thereof; (c) a partitioning member disposed between the first and second fluid chambers; (d) a plurality of communication passages disposed through the partitioning member in parallel with each other for communicating the first and second chambers; and (e) communication passage open/close envelope which opens or close at least one of the communication passages according to a difference between vibration amplitudes of vibrations transmitted thereinto, whereby a plurality of vibrations transmitted through the apparatus are suppressed.

REFERENCES:
patent: 4588174 (1986-05-01), Konishi
patent: 4667942 (1987-05-01), Bitschkus et al.

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