Damping valve for shock absorber
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United States of America Patent
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Jun 4, 1996
Grant Date -
N/A
app pub date -
Nov 10, 1994
filing date -
Nov 13, 1993
priority date (Note) -
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Abstract
A shock absorber comprising an outer tube; an inner tube positioned inside the outer tube; a rod guide closing one end of the inner tube and the outer tube; a compensation valve assembly closing the other end of the inner tube; the other end of the outer tube being closed; a piston assembly slidably sealably positioned inside the inner tube and dividing the inner tube into a rebound chamber and a compression chamber; a piston rod connected to the piston assembly and extending through the rebound chamber and the rod guide; a compensation chamber formed between the inner tube and the outer tube; and a damping valve covering an aperture through the inner tube from the compression chamber, the damping valve being actuable by differential pressure above a predetermined level to allow flow of fluid in one direction only from the compression chamber through the aperture to the compensation chamber. Improved damping characteristics at slow speed damping.
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