Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1990-02-02
1992-02-04
Oberleitner, Robert J.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
267219, B60G 1504
Patent
active
050854135
ABSTRACT:
A rubber mounting which has a hydraulic damping device for damping vibrations of a predetermined frequency including a working and equalization chamber (6, 4) joined by a connecting passage (10) and filled with a hydraulic liquid. The connecting passage (10) is channel-like configured and dimensioned such that when subject to vibrations of the frequency to be damped the enclosed liquid volume can be made to resonate and such that the connecting passage (10) is narrowed to a throttle (12) only in the area of a point which is narrowly defined in axial direction.
REFERENCES:
patent: 4570911 (1986-02-01), Konishi
patent: 4709779 (1987-12-01), Takehara
patent: 4709898 (1987-12-01), Yoshida et al.
patent: 4739962 (1988-04-01), Morita et al.
patent: 4836512 (1989-06-01), Lun
patent: 4836515 (1989-06-01), Franz et al.
patent: 4858899 (1989-08-01), Saotome et al.
Freudenberg Tillman
Freudenberg Ulrich
Firma Carl Freudenberg
Oberleitner Robert J.
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