WORKING VEHICLE

A working vehicle includes: a power transmission device which selects a four-wheel drive state and a two-wheel drive state; a hydraulic continuously variable transmission device which includes a trunnion armi displaceable to a forward movement position, a neutral position, and a backward movement po...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TSUJI, HIDEKAZU, TANI, YOSHITAKA
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRAILERS TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A working vehicle includes: a power transmission device which selects a four-wheel drive state and a two-wheel drive state; a hydraulic continuously variable transmission device which includes a trunnion armi displaceable to a forward movement position, a neutral position, and a backward movement position; a pedaling operation detection unit which detects a pedaling operation for a brake pedal; and a control unit which performs a process of moving the trunnion arm to the neutral position by controlling an actuator when the pedaling operation detection unit detects the pedaling operation and which sets the operation speed of the actuator to be slow in the fourv-heel drive state during the process compared to the two-wheel drive state, BRAKE PEDAL STEPPING NO OPERATION IS DETECTED? CURRENT MODE IS NO0 FOUR-WHEEL DRIVE MODE? YES ST3 ST4 MOVE TRUNNION ARM TO NEUTRAL MOVE TRUNNION ARM TO NEUTRAL POSITION AT LOW SPEED POSITION AT REFERENCE SPEED BRAKE PEDAL N -STEPPING OPERATION IS : N NOT DETECTED ? SUB-TRANSMISSIO N IS AT SPEED OTHER THA N H IG H SP EED ? iilllllllllilllllillliillliilllllo YES SST7 , ST8 RETURN TRUNNION ARM A T HIGH SPEED RETURN TRUNNION ARM AT REFERENCE