TRAVEL TRANSMISSION OF COMBINE HARVESTER

PROBLEM TO BE SOLVED: To provide a travel transmission of a combine harvester, which can quickly accelerate the backward travel speed of the combine harvester and can thereby improve the efficiency of works, for example, when a forward reaping travel and a backward non-reaping travel are repeated. S...

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Bibliographische Detailangaben
Hauptverfasser:	OKIMOTO AKIRA, TAKAGI SHIN, NIIMI SHIZUO, SATOJI HISAYUKI
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 BLASTING ENGINEERING ELEMENTS AND UNITS FISHING FORESTRY GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HARVESTING HEATING HUMAN NECESSITIES HUNTING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING MOWING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING TRAPPING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a travel transmission of a combine harvester, which can quickly accelerate the backward travel speed of the combine harvester and can thereby improve the efficiency of works, for example, when a forward reaping travel and a backward non-reaping travel are repeated. SOLUTION: This travel transmission of the combine harvester includes a hydraulic variable speed transmission 3 composed of a variable volume type hydraulic pump 1 and a variable volume type hydraulic motor 2, and a connection means is provided for increasing the oil delivery quantity of the hydraulic pump 1 in response to the increase of a forward or rearward travel speed-changing operation quantity from the neutral region of a speed-changing operation tool to accelerate the output rotation of the hydraulic motor 2 in the normal or adverse rotation direction, and for accelerating the output rotation of the hydraulic motor 2 in relation to the backward operation of the speed-changing operation tool in the reverse rotation direction in a larger acceleration quantity than an acceleration quantity due to the increase in the oil delivery quantity of the hydraulic pump 1. COPYRIGHT: (C)2007,JPO&INPIT