Vehicle fluid suspension circuit with equalized supply and disch

Details Vehicle fluid suspension circuit with equalized supply and disch Vehicle fluid suspension circuit with equalized supply and disch

1988-05-31

1989-08-22

Oberleitner, Robert J.

Spring devices

Vehicle

Comprising compressible fluid

267DIG1, 280714, B60G 1700, B60G 1126

Patent

active

048588954

ABSTRACT:
A vehicle fluid suspension circuit has an efficient cross-sectional area of the high pressure supply line is smaller than that of the low pressure exhaust line. The fluid supply and discharge speed can be equalized so that the vehicle height increasing speed and the vehicle height decreasing speed are equalized with each other, and the ride comfort is improved. Furthermore, the vehicle suspension circuit has two lines from fluid suspension to low pressure reserve tank are provided during fluid exhaust. A simplified construction can vary a speed of exhausted fluid from fluid suspension. Feeding and exhausting speeds, computation for the valve opening and closing time intervals is improved to be quite simple, and quick control is attained.

REFERENCES:
patent: 3874692 (1975-04-01), Ono
patent: 4345661 (1982-08-01), Nismikawa
patent: 4462610 (1984-07-01), Saito et al.
patent: 4625994 (1986-12-01), Tanaka et al.
patent: 4695074 (1987-09-01), Kobayashi et al.
patent: 4718695 (1988-01-01), Kawagoe

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