Brakes – Internal-resistance motion retarder – Thrust member or piston structure
Patent
1995-12-22
1998-06-23
Oberleitner, Robert J.
Brakes
Internal-resistance motion retarder
Thrust member or piston structure
18832215, 188319, 92192, F16F 900
Patent
active
057691932
ABSTRACT:
Telescoping vibration damper consisting of a work cylinder, a piston which is guided on a piston rod and divides the work cylinder into two work chambers, and passages in the piston which empty on at least one end into a ring-shaped chamber, the encircling control edges of which are covered by valve plates, whereby there is at least one additional valve plate located at some axial distance from the first valve plate, which together with a support element forms an additional ring-shaped chamber, whereby the first and additional ring-shaped chambers are connected to one another by means of a flow connection.
REFERENCES:
patent: 5148897 (1992-09-01), Vanroye
patent: 5248014 (1993-09-01), Ashiba
patent: 5277283 (1994-01-01), Yamaoka
patent: 5293971 (1994-03-01), Kanari
Bartz C. T.
Fichtel & Sachs AG
Oberleitner Robert J.
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