发明名称 |
HYDRAULIC PREHEATING APPARATUS FOR HYDRAULIC OIL COOLERS IN A LARGE HYDRAULIC EXCAVATOR |
摘要 |
An apparatus for preheating hydraulic oil which is located at low temperatures in at least one air-cooled hydraulic oil cooler, wherein at least one hydraulic oil cooler is arranged outside an engine compartment, in particular of a large hydraulic excavator, characterized in that the oil, in particular hot oil, coming from a tank is fed to the inlet box of the hydraulic oil cooler and is passed on via connecting lines and an interposed pressure relief valve or a non-return valve to the outlet box of at least one hydraulic oil cooler, wherein the outlet box and the cold oil located therein can be heated and fed to the tank.
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申请公布号 |
WO2012016668(A1) |
申请公布日期 |
2012.02.09 |
申请号 |
WO2011EP03823 |
申请日期 |
2011.07.29 |
申请人 |
BUCYRUS HEX GMBH;EMMINGER, REINHARD;BUSSE, WILFRIED |
发明人 |
EMMINGER, REINHARD;BUSSE, WILFRIED |
分类号 |
F01M5/00;F28F27/00 |
主分类号 |
F01M5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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