Automatic control device for the gearshift of industrial vehicles

An automatic control device for the gearshift of industrial vehicles, in particular of the type suitable for automatically controlling a two-speed gearshift with engagement under torque actuated by a hydraulic motor. In order to avoid undesirable rapid decelerations of the vehicle while shifting fro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HURTH, FRITZ C. A
Format:	Patent
Sprache:	eng
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:	An automatic control device for the gearshift of industrial vehicles, in particular of the type suitable for automatically controlling a two-speed gearshift with engagement under torque actuated by a hydraulic motor. In order to avoid undesirable rapid decelerations of the vehicle while shifting from the second to the first gear, an element (35) for delaying the engagement of the related gear is inserted between the electronic control system (6), generating the activation pulses for the solenoids (K1, K2) which actuate the engagement of the clutches related to the two gears, and at least the control solenoid (K1) of the first gear. The delay is preferably preset according to the characteristics of the vehicle and of the gearshift.