Switching valve device in an air suspension

Details Switching valve device in an air suspension Switching valve device in an air suspension

1986-05-08

1988-04-05

Kashnikow, Andres

Spring devices

Vehicle

Comprising compressible fluid

267 35, 267 6421, 267220, 251118, 13762541, 280714, B60G 1126, B60G 1162, B60G 1510, F16K 4708

Patent

active

047354011

ABSTRACT:
A switching valve device in an air suspension system for such vehicles as automobiles, wherein a plurality of primary air chambers are provided above a shock absorber, which are connected or disconnected with each other to adjust the air spring constant for such vehicles as automobiles rotary valve is provided in the course of the path connecting the respective primary air chambers, and a decompression intercommunicating cushioning air chamber is formed between the rotary valve and a flow restriction stopper holding the rotary valve in place, such that the communication of the cushioning air chamber with one primary air chamber is opened and closed or controlled through the rotary valve, on the one hand, and such that its communication with another primary air chamber is through the flow restriction stopper, on the other hand, whereby a swish sound is prevented by the decompressing action of the cushioning air chamber.

REFERENCES:
patent: 974790 (1910-11-01), Heuser
patent: 2132011 (1938-10-01), Bennett et al.
patent: 4616811 (1986-10-01), Buma

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