发明名称 |
SHOCK ABSORBER WITH VARIABLE DAMPING CHARACTERISTICS DEPENDING UPON STROKE SPEED |
摘要 |
A shock absorber is provided a piston stroke dependent variable shock absorbing characteristics by means of a first and second flow restriction valves associated with a piston. The first and second flow restriction valves are arranged in a fluid path for communicating first and second working chambers defined within a shock absorber cylindrical housing in series. The first flow restriction valve is associated with an orifice forming a part of the fluid path and has variable flow restriction rate in response to a pressure difference between the first and second chambers greater. The second flow restriction means is disposed in tandem fashion with the first flow restriction valve for providing a predetermined constant flow restriction rate in response to the pressure difference smaller than a predetermined criterion and providing a variable flow restriction as a function of the piston stroke speed in response to the pressure difference greater than the predetermined criterion. |
申请公布号 |
CA1310989(C) |
申请公布日期 |
1992.12.01 |
申请号 |
CA19890595728 |
申请日期 |
1989.04.05 |
申请人 |
ATSUGI MOTOR PARTS CO. LTD. |
发明人 |
YAMAURA, TAMOTSU;YAMAOKA, FUMIYUKI;SASAKI, MITSUO |
分类号 |
F16F9/348 |
主分类号 |
F16F9/348 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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