Air suspension system

Details Air suspension system Air suspension system

1992-12-24

1993-10-26

Tyson, Karin L.

Land vehicles

Wheeled

Running gear

280711, B60G 1512, B60G 1130

Patent

active

052559351

ABSTRACT:
An air suspension system includes a rotary valve 3 disposed to selectively establish and interrupt communication between an air spring 1 and a plurality of subchambers of an air chamber 2, and a motor 4 by which the rotary valve 3 is rotated. The rotary valve 3 is composed of a hollow outer cylindrical member 21 having openings opened to each subchamber of the air chamber 2, and an inner cylindrical member 22 having air holes. The openings of the outer cylindrical member 21 have different lengths in the direction of rotation of the inner cylindrical member 22. By this arrangement, the number of the subchambers of the air chamber 2, which may be communicated with the primary air chamber 1 through the openings and the air holes, is adjusted in response to angular position of the inner cylindrical member 22.

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