Supports – Resilient support – Including additional energy absorbing means – e.g. – fluid or...
Patent
1997-07-30
1999-03-30
Braun, Leslie A.
Supports
Resilient support
Including additional energy absorbing means, e.g., fluid or...
2671401, F16M 1300
Patent
active
058878440
ABSTRACT:
A fluid-sealed vibration isolating device comprises primary and secondary damping-fluid chambers, a fluid-flow restrictive plate or diaphragm for dividing the primary damping-fluid chamber into first and second main chambers and being responsive to an amplitude of input vibration for restricting a flow of damping fluid between the first and second main chambers when the amplitude of input vibration is greater than a predetermined amplitude, the secondary damping-fluid chamber including first and second sub-chambers, and first, second and third orifice passageways for defining respective flow restrictive passages between the first main chamber and the first sub-chamber, between the second main chamber and the first sub-chamber, and between the second main chamber and the second sub-chamber. The fluid-flow restrictive plate or diaphragm associated with the second and third orifice passageways for creating at least three resonant vibration systems required to damp three different input vibrations including engine shake, idling vibration, and high-frequency vibrations.
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Fujiwara Yoshinari
Hatakeyama Shingo
Braun Leslie A.
King Anita M.
Kinugawa Rubber Ind. Co. Ltd.
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