A LOCKING DIFFERENTIAL CONTROL SYSTEM

A differential lock control system includes an hydraulically-operated differential lock operated by a solenoid valve. Energization of the solenoid valve is controlled by a circuit which includes a normally open latching relay and series-connected switches which open and unlock the differential in re...

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Bibliographische Detailangaben
1. Verfasser:	KITTLE, CARL EDWIN
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A differential lock control system includes an hydraulically-operated differential lock operated by a solenoid valve. Energization of the solenoid valve is controlled by a circuit which includes a normally open latching relay and series-connected switches which open and unlock the differential in response to sensed vehicle speed and brake application. The differential may be locked by closing a normally open momentary contact switch. A multiple relay circuit is coupled to the latching relay and is operable to automatically re-lock the differential when certain conditions relating to vehicle functions, such as steering pressure, wheel slip and draft force, are met.