Spring devices – Vehicle – Comprising compressible fluid
Patent
1994-08-25
1996-04-16
Mitchell, David M.
Spring devices
Vehicle
Comprising compressible fluid
267126, 18832215, F16F 500
Patent
active
055074758
ABSTRACT:
An erector holds a leaf-flap in various opening settings relative to its frame, in particular for holding a motor-car hood. The erector has a continuously length-variable dynamic unit, which comprises, supported against the leaf-flap and frame, a hollow cylinder and a piston which is slidably guided in the hollow cylinder. The hollow-cylinder space is divided by the piston moved via a piston rod, into a two pressure-medium chambers which are overflow-connected, with a flow regulator being interposed therebetween. A control valve is disposed in one of two overflow ducts of the flow-regulator so that the assigned overflow duct, when the control valve is closed, is flow-blocked in both directions. The control valve is constantly flow-connected via a control duct to one of the pressure-medium chambers, and is acted upon by the pressure-medium column flowing through the control duct, so as to be transferred against a return force into a pass-through setting in which it is maintained up to a pressure level of the pressure-medium which is significantly lower than the control pressure of the control valve.
REFERENCES:
patent: 4732408 (1988-03-01), hlin
patent: 4973077 (1990-11-01), Kuwayama et al.
Schaible Kurt
Seel Holger
Mercedes-Benz AG
Mitchell David M.
Schwartz Chris
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