Brakes – Internal-resistance motion retarder – Resistance alters relative to direction of thrust member
Patent
1995-02-16
1997-01-21
Young, Lee W.
Brakes
Internal-resistance motion retarder
Resistance alters relative to direction of thrust member
188317, 18832215, F16F 950
Patent
active
055952690
ABSTRACT:
A damping valve, in particular for a vibration damper for a motor vehicle, has a damping valve body with at least one admission channel for each direction of flow through the valve body. The admissions channel connectes a top side and a bottom side of the damping valve body to one another. There can also be a valve plate on a valve seat surface, whereby the valve plate can lift up from the valve seat surface, and the admission channels from the top side and bottom side of the damping valve can have an initial choke inside the connection path. The cross section of the initial choke is defined by the width of an influx opening of the admission channel and the average radial distance between an edge, which determines the valve plate contour, and the inflow opening.
REFERENCES:
patent: 3113644 (1963-12-01), Wossner
patent: 4685545 (1987-08-01), Fannin et al.
patent: 4905799 (1990-03-01), Yamaoka et al.
patent: 5042624 (1991-08-01), Furuya et al.
patent: 5072812 (1991-12-01), Imaizumi
patent: 5154263 (1992-10-01), Lizell
patent: 5207300 (1993-05-01), Engel et al.
Fichtel & Sachs AG
Young Lee W.
LandOfFree
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