DOUBLE-AXLE PNEUMATIC BUS SUSPENSION Russian patent published in 2023 - IPC F16F9/00 

FIELD: vehicle suspensions.

SUBSTANCE: double-bridge pneumatic suspension of the bus contains a frame, levers, shock absorbers, air springs. Support pad brackets are fixed on the frame. Trailing levers are installed on the platforms with the help of hinges. The levers are placed in pairs along the sides of the frame, on which the attachment points of the front and rear axles with axles, the hinges of the lower bases of the front and rear shock absorbers and the hinges of the lower supports of the front and rear air springs are sequentially placed. The upper shock absorber mounts are fixed to the frame. The upper bearings of the hinges of the lower bearings of the front and rear air springs are also fixed to the frame. The outer ends of the trailing arms are not interconnected. In places where the axles are fixed on the attachment point of the front and rear axles, one rectangular elastic gasket is installed at the top and bottom. The thickness of the gasket is not less than 0.2d, where d is the diameter of the axle axis.

EFFECT: increase in the reliability of the air suspension is achieved by eliminating excessive kinematic links.

1 cl, 3 dwg