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WORK VEHICLE WITH TRACTION GEARBOX COOLING
专利权人:
发明人:
申请号:
EP15157332.6
公开号:
EP2915686B1
申请日:
2015.03.03
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
The present invention is related to a work vehicle, such as a combine harvester or a forage harvester, equipped with a main engine, a main engine gearbox and a main engine cooling circuit for circulating an engine coolant, the cooling circuit comprising at least one sub-portion comprising a radiator (23) for heating the drivers cabin of the work vehicle. According to the invention, a heat exchanger is configured for heat exchange between said engine coolant and a lubricant flowing in a circuit into and out of a gearbox other than the engine gearbox. In a preferred embodiment, this latter gearbox is the traction gearbox driven by a hydrostatic motor that is in turn powered by main-engine driven pump. In this way, the traction gearbox oil is cooled by the engine coolant, which is especially advantageous when the work vehicle is driving on the road, when the temperature difference between the engine coolant and the traction gearbox oil is higher than when the work vehicle is in active operation in the field.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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