Suspension device

Details Suspension device Suspension device

2007-08-07

2007-08-07

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Having means controlling or attenuating shock vibration,...

Reexamination Certificate

active

10540010

ABSTRACT:
A suspension device is for at least one drive part (10) that is to be cushioned. The drive part can be connected to an accumulator device (12) by a first valve unit (28) and to a tank connection (46) by a second valve unit (34) to transport fluid. The device is provided with a pressure compensation device (50), which when actuated compares the respective prevailing pressures in the drive part (10) and the accumulator device (12) to generate a common pressure level. This comparison permits the pressure level to be rapidly compensated in advance when the actual suspension is enabled in the form of the accumulator device, in such a way that the suspension pressure employed exactly matches the pressure of the respective drive part in the form of a hydraulic or working cylinder that prevails in the later as a result of the preceding load actuation operations.

REFERENCES:
patent: 5733095 (1998-03-01), Palmer et al.
patent: 6167701 (2001-01-01), Hatcher et al.
patent: 6279316 (2001-08-01), Vigholm
patent: 6357230 (2002-03-01), A'Hearn et al.
patent: 196 52 684 (1998-06-01), None
patent: 100 60 430 (2001-06-01), None
patent: 0 482 248 (1992-04-01), None
patent: 1 157 963 (2001-11-01), None
patent: 63265023 (1988-11-01), None

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