Hydraulic damper with a hydraulic stop arrangement
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United States of America Patent
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May 23, 2017
Issued Date -
N/A
app pub date -
Oct 10, 2014
filing date -
May 14, 2014
priority date (Note) -
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Abstract
A hydraulic damper (1) includes a tube (3) filled with working liquid, wherein at least one end of the tube (3) is provided with a narrower section (31) of a smaller diameter provided with at least one axial groove (12). The damper (1) includes at least one additional piston assembly (13) having diameter (D3) smaller than diameter (D1) of the main section of the tube (3), displaceable along with the main piston assembly (4) and apt to be introduced in the narrower section of the tube (3) to generate additional damping force. The narrower section (31) extends through a conical section (32) into the main section (33) of the tube (3) and the conical section (32) of the tube (3) is internally shaped to form axial bridges (15) defining said axial grooves (12) extending along the length of said conical section (32), each comprising a cylindrical section (151).
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