Land vehicles – Wheeled – Running gear
Patent
1995-05-23
1996-07-23
Rice, Kenneth R.
Land vehicles
Wheeled
Running gear
B60G 1126
Patent
active
055382762
ABSTRACT:
A tunable air spring/shock absorber comprises a cylinder, a piston rod extending out of the cylinder through a lower end thereof, and rod guide provided on the lower end of the cylinder for guiding the piston rod, a seal mounted on the rod guide and piston containing valving components to deliver desired force-velocity characteristics for rebound and compression mounted on the piston rod. The piston is submerged in oil during the complete stroke of the air spring/shock absorber. On top of the piston, a spacer is provided which separates a sealing disk or piston that hermetically separates a counter spring chamber and a main spring chamber. The tunable air spring/shock absorber has an upper closure on the cylinder with a valve that allows pressurization of the main spring chamber.
REFERENCES:
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patent: 2769632 (1956-11-01), Bourcier de Carbon
patent: 2856035 (1958-10-01), Rohacs
patent: 2959410 (1960-11-01), Fullam et al.
patent: 2992864 (1961-07-01), Bourcier de Carbon
patent: 3854710 (1974-12-01), Nicholls
patent: 4219190 (1980-08-01), Nagase
patent: 4360192 (1982-11-01), Ishida
patent: 4596513 (1986-06-01), Carlson et al.
patent: 4805882 (1989-02-01), Veaux et al.
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