HYBRID DRIVE SYSTEM FOR WORKING VEHICLE

PROBLEM TO BE SOLVED: To solve a problem that a conventional hybrid drive system for a working vehicle in which the motive power of an electrically operated motor is assembled to the motive power of an engine to drive a vehicle shaft and a PTO shaft (power take-off shaft) causes a large difference i...

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Bibliographische Detailangaben
1. Verfasser:	ISHII NOBUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY 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 CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES FISHING FORESTRY HUMAN NECESSITIES HUNTING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT SOIL WORKING IN AGRICULTURE OR FORESTRY TRANSPORTING TRAPPING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To solve a problem that a conventional hybrid drive system for a working vehicle in which the motive power of an electrically operated motor is assembled to the motive power of an engine to drive a vehicle shaft and a PTO shaft (power take-off shaft) causes a large difference in an operation feeling in the operation of the transmission before and after switching over motor drive and engine drive, because only a gear type stepped variable transmission is interposed in a train from the engine to the vehicle shaft and the PTO shaft when driving the engine although a generator and electrically operated motor line operates as a kind of a stepless transmission when driving the motor.SOLUTION: A main transmission 14 as the stepless transmission is interposed in a traveling drive train 52 for transmitting the motive power from the engine 3 to the rear wheels 7, 7. A motor generator 4 is provided in the most upstream position of a power transmission path in both trains of the traveling drive train 52 and the PTO system train 53 for transmitting the motive power from the engine 3 to the PTO shaft 11.