Actively controlled suspension system with improved layout of pr

Details Actively controlled suspension system with improved layout of pr Actively controlled suspension system with improved layout of pr

1989-03-22

1990-03-27

Bertsch, Richard A.

Land vehicles

Wheeled

Running gear

280714, 280DIG1, B60G 1708

Patent

active

049114697

ABSTRACT:
An actively controlled suspension system arranges a pressure control valve so arranged as to longitudinally direct a valve bore in which a movable valve spool for establishing and blocking fluid communication between a fluid pressure source and a working chamber in a hydraulic cylinder, is disposed. The longitudinal force to be exerted on the vehicle body is smaller in comparison with the lateral and vertical force. Therefore, a force of spring for restricting movement of the valve spool can be minimized.

REFERENCES:
patent: 1522243 (1925-01-01), Hughes
patent: 3029089 (1962-04-01), Nashman
patent: 3124368 (1964-03-01), Corley et al.
patent: 3258258 (1966-06-01), Hanna
patent: 4639014 (1987-01-01), Tanaka et al.
patent: 4702490 (1987-10-01), Yamaguchi et al.
patent: 4732408 (1988-03-01), Ohlin
patent: 4819771 (1989-04-01), Britze
patent: 4828283 (1989-05-01), Ishii et al.
patent: 4834419 (1989-05-01), Kazaki et al.

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