Hydraulic radial bearing

Details Hydraulic radial bearing Hydraulic radial bearing

2006-08-29

2006-08-29

Williams, Thomas J. (Department: 3683)

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

C267S219000, C267S141200

Reexamination Certificate

active

07097167

ABSTRACT:
A work chamber is filled with a hydraulic liquid and is disposed between the legs of the spring body of a hydraulic radial bearing. The work chamber is connected to a compensating chamber via a transfer channel. The desired absorption of disturbing noises in the region of 130 Hz is obtained with a special dimensioning of the cross-sectional area of the work chamber, the dynamic swell stiffness of the spring body and the length (L) and the total cross-sectional area (A2) of the transfer channel. The ratio of the effective cross-sectional area (A1) of the work chamber to the cross-sectional area (A2) of the channel lies preferably between 0.1 and 10 while the ratio of the length (L) of the transfer channel to the total cross-sectional area (A2) of the transfer channel is in the range of 0.1 to 4.0.

REFERENCES:
patent: 5007304 (1991-04-01), Ide
patent: 5076550 (1991-12-01), Mayama et al.
patent: 5184803 (1993-02-01), Tanabe et al.
patent: 5333847 (1994-08-01), Kanda
patent: 5370376 (1994-12-01), Ishiyama
patent: 5427361 (1995-06-01), Suzuki et al.
patent: 5725202 (1998-03-01), Nakamura et al.
patent: 6598863 (2003-07-01), Kato
patent: 2192968 (1988-01-01), None

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