Work vehicle

A work vehicle includes a drive unit, a fan motor, a fan configured to be driven by the fan motor, an overrun state detecting unit configured to detect an overrun state of the drive unit, and a control unit. The control unit is configured to control a rotational speed of the fan to reach a first fan...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hino, Yoshiaki, Kirino, Kazuyuki, Iwasawa, Tomoyuki
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL DREDGING ENGINE PLANTS IN GENERAL FIXED CONSTRUCTIONS FOUNDATIONS HEATING HYDRAULIC ENGINEERING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS SOIL SHIFTING STEAM ENGINES TRAILERS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A work vehicle includes a drive unit, a fan motor, a fan configured to be driven by the fan motor, an overrun state detecting unit configured to detect an overrun state of the drive unit, and a control unit. The control unit is configured to control a rotational speed of the fan to reach a first fan rotational speed by increasing the rotational speed of the fan when a detection value detected by the overrun state detecting unit becomes greater than or equal to a first threshold. The control unit is configured to control the rotational speed of the fan to reach a second fan rotational speed higher than the first fan rotational speed when the detection value becomes greater than or equal to a second threshold greater than the first threshold.