Land vehicles – Wheeled – Running gear
Patent
1977-12-07
1979-07-24
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
B60G 1126
Patent
active
041620917
ABSTRACT:
A wheel suspension apparatus for a vehicle of the strut type, comprising a hydraulic damper disposed between the body and a wheel of the vehicle and including an inner cylinder and an outer cylinder slidably fitted thereover to define a main hydraulic chamber; an auxiliary cylinder is slidably fitted over the outer peripheral surface of the outer cylinder to define an auxiliary hydraulic chamber therebetween in communication with the main chamber, said auxiliary cylinder is urged in one axial direction under the hydraulic pressure in said third hydraulic chamber. A suspension coil spring is disposed under compression between the auxiliary cylinder and the outer cylinder for resiliently biasing the former in the other axial direction. The apparatus affords a freedom in designing the coil spring particularly in respect of the disposition space, length and diameter thereof in accordance with specific conditions required. The apparatus further includes a vehicle-height adjusting valve for adjusting the length of the damper to a predetermined constant level.
REFERENCES:
patent: 3563566 (1971-02-01), Weber
patent: 3589933 (1971-06-01), Pitcher
Bertsch Richard A.
Honda Giken Kogyo Kabushiki Kaisha
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