Spring devices – Vehicle – Parallel depression
Patent
1986-02-06
1987-10-06
Reger, Duane A.
Spring devices
Vehicle
Parallel depression
2671401, F16F 500
Patent
active
046977953
ABSTRACT:
A hydraulically damped mounting device has two bushes connected together by an elongate bar. Each bush has a housing containing an anchor point connected to the housing by a resilient spring. Each spring, and part of the corresponding housing defines a working chamber for hydraulic fluid, the working chambers being interconnected by a passageway in the bar. The working chambers are positioned in the housing so that movement of the anchor points in opposing directions causes a decrease in size of one working chamber and an increase in size in the other. This change in size causes fluid movement through the passageway, and this exerts damping on the movement of the anchor points. Thus, when the device is connected between two objects with each anchor point connected to a corresponding one of the objects, relative vibration of the objects, and in particular torsional vibration may be damped.
REFERENCES:
patent: 1823694 (1931-09-01), Moorhouse
patent: 1957529 (1934-05-01), Deutsch
patent: 2705118 (1955-03-01), Beck
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