SEAT SUSPENSION SYSTEM HAVING FAIL-SAFE FUNCTIONALITY

A suspension system for a mobile machine is disclosed. The suspension system may have a seat operatively connected to a cabin floor of the mobile machine, a cylinder connected between the seat and the cabin floor, and a spring associated with the cylinder. The suspension system may also have at leas...

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Bibliographische Detailangaben
Hauptverfasser:	CONTRATTO MICHAEL S, MARCU FLORIN M, SPANGLER, JR. JOHN C, GERSTNER KRISTEN A, LEWIS, II CHARLES E
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PERFORMING OPERATIONS PHYSICS SEATS SPECIALLY ADAPTED FOR VEHICLES TRANSPORTING VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A suspension system for a mobile machine is disclosed. The suspension system may have a seat operatively connected to a cabin floor of the mobile machine, a cylinder connected between the seat and the cabin floor, and a spring associated with the cylinder. The suspension system may also have at least one valve configured to regulate fluid flow into and out of the cylinder, and a controller in communication with the at least one valve. The controller may be configured to detect a failure condition of the suspension system. In response to detection of the failure condition, the controller may be further configured to cause the at least one valve to move to a default position at which fluid flow into and out of the cylinder is restricted by an amount that still allows fluid flow through the at least one valve.