Height control system in automotive suspension system with hunti

Details Height control system in automotive suspension system with hunti Height control system in automotive suspension system with hunti

1991-07-02

1993-06-15

Lall, Parshotam S.

Boots, shoes, and leggings

280 612, 280707, B60G 17015

Patent

active

052205053

ABSTRACT:
A height control system in an automotive suspension system has a pressure supply network for adjusting pressure in a plurality of height adjusting actuator in respective suspension systems for adjusting relative distance between the vehicle body and suspension members at portions where the suspension systems are provided. The height control system includes a communication control valve provided in the pressure supply network so as to selectively establish and block fluid communication between the pressure supply network and one of the height control actuator. The communication control valve is to be operated to open for establishing fluid communication between one of the at least two actuators and the communication passage means when at least one of the height levels at the at least two portions is out of a predetermined target height range, and to close the communication control valve while all of the height levels monitored are within the predetermined target height range. By presence of the communication control valve, the hunting in height adjustment can be successfully eliminated.

REFERENCES:
patent: 4377299 (1983-03-01), Fujii
patent: 4593931 (1986-06-01), Shiratori et al.
patent: 4659104 (1987-04-01), Tanaka et al.
patent: 4669749 (1987-06-01), Tanaka et al.
patent: 4697237 (1987-09-01), Tanaka et al.
patent: 5047938 (1991-09-01), Yokote et al.

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