Supports – Resilient support – Including additional energy absorbing means – e.g. – fluid or...
Patent
1987-04-22
1988-04-26
Ramirez, Ramon O.
Supports
Resilient support
Including additional energy absorbing means, e.g., fluid or...
2671401, F16F 910
Patent
active
047399627
ABSTRACT:
A vibration isolator supports a vibrating body vibrating in a wide frequency range while isolating produced vibrations in the entire frequency range. The vibration isolator includes a first attachment member adapted to be connected to the vibrating body, a second attachment member adapted to be connected to the structural body, and an elastically deformable resilient member fixed to and interconnecting the first and second attachment members, the resilient member being elastically deformable in response to relative movement of the first attachment member with respect to the second attachment member. The vibration isolator has a first chamber defined at least partly by the resilient member and having a volume variable dependent on elastic deformation of the resilient member, and a second chamber communicating with the first chamber through a communication structure and having a volume variable dependent on variation of the volume of the first chamber, the first and second chambers being filled with a liquid. The communication structure includes a passage having an internal volume large enough to allow substantial resonance of a flow of the liquid in the passage to be induced by vibrations of the vibrating body based on both the mass of the liquid flowing in the passage and the difference between pressures in the first and second chambers.
REFERENCES:
patent: 1739838 (1929-12-01), Johnson
patent: 3805828 (1974-04-01), Panagrossi
patent: 4416445 (1983-11-01), Coad
patent: 4418897 (1983-12-01), Hartel
patent: 4483370 (1984-11-01), Talasz
patent: 4483521 (1984-11-01), Kakimoto
Arai Katsuyoshi
Koike Tetsuya
Morita Isamu
Honda Giken Kogyo Kabushiki Kaisha
Olson Robert A.
Ramirez Ramon O.
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