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US 2017/0284498 A1Published application
Shock absorber and damping force generator
AssigneeShowa Corporation
InventorsKoji TOKUNAGA, Tadashi UOTANI
Life of this patent
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Abstract
One embodiment provides a damping force generator. The damping force generator includes: a valve body having a compression-side inlet port into which the oil pushed by the piston flows; and a compression-side damping valve provided so as to block a port outlet and elastically deformed according to pressure of the oil flowing into the compression-side inlet port to thereby exhibit damping force. An opening cross-sectional area of a port inlet opening is larger than a passage cross-sectional area of the compression-side inlet port.
Claims7
A shock absorber comprising:
- a cylinder in which oil is sealed;
- a piston rod of which one end is inserted into the cylinder and the other end is extended outside the cylinder;
- a piston which is connected to the one end of the piston rod and is provided in the cylinder so as to be slidable along a central axis direction of the cylinder;
- and
- a damping force generating unit which controls flow of the oil occurring when the piston slides in the cylinder according to a displacement of the piston rod, to generate damping force,
- wherein the damping force generating unit includes:
- a valve body having a port into which the oil pushed by the piston flows;
- and
- a damping valve provided so as to block an outlet opening of the port and elastically deformed according to pressure of the oil flowing into the port to thereby exhibit damping force, and
- wherein an opening cross-sectional area of an inlet opening of the port is larger than a passage cross-sectional area of the port.
7 more elements
A damping force generator comprising:
- a valve body having a port into which oil flows when a piston slides inside a cylinder of a shock absorber;
- and
- a damping valve which is provided so as to block an end of the port and is elastically deformed according to pressure of the oil flowing into the port to thereby open and close the port,
- wherein an opening cross-sectional area of an inlet opening of the port through which the oil flows into the port is larger than a passage cross-sectional area of the port on a side on which the damping valve is disposed.
1 more element
Dependencies are inferred from the claim text.