Land vehicles – Wheeled – Running gear
Patent
1983-10-07
1985-08-27
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Running gear
188297, 188314, 267 6411, 277103, 280698, 280709, B60G 1126
Patent
active
045374228
ABSTRACT:
A hydropneumatic suspension unit includes a large diameter flanged road arm spindle which is bolted to the vehicle hull; a road arm has one end rotatably mounted on the road arm spindle and another end mounting a road wheel; a gravity oriented oil barrier is defined with a free volume enclosed within the road arm to submerge a sealing system for an in-arm mechanically operated pneumatic spring which has a gas volume trapped behind the oil barrier to support the sprung mass of the vehicle; the seal system is defined by a pair of spaced O-rings and a packing ring which seals the outer surface of a reciprocating rod that displaces the seal oil barrier to vary gas compression and produce a resultant force equivalent to pressure times the area of the rod to counteract vertical forces on the road wheel.
REFERENCES:
patent: 3129948 (1964-04-01), Kendall
patent: 3879023 (1975-04-01), Pearce et al.
patent: 4447073 (1984-05-01), Brandstadter
Evans John C.
Ex-Cell-O Corporation
Peters Jr. Joseph F.
Rice Kenneth R.
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