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    • 55. 发明授权
    • Piston-cooling arrangement for an internal combustion engine
    • 内燃机的活塞冷却装置
    • US07201118B2
    • 2007-04-10
    • US11324449
    • 2006-01-03
    • Ingo LenzDietmar LaufenbergCarsten WeberUrban Morawitz
    • Ingo LenzDietmar LaufenbergCarsten WeberUrban Morawitz
    • F01P1/04
    • F01P3/08F01M1/08F01M2001/086
    • The invention relates to an internal combustion engine having a piston-cooling arrangement (1) which has at least one spray device (2, 27; 2, 39) which is supplied with a coolant/lubricant via at least one supply passageway (3). The supply passageway (3) is arranged in a module (4) composed of a crankshaft-bearing structural element (6) and a crankshaft-bearing cap (7). The spray device (2, 27; 2, 39) is coupled to the crankshaft-bearing cap (7), a crankshaft-bearing shell (14) in the region of the supply passageway (3). Supply passageway (3) also connect to through-opening (16), so that coolant/lubricant can be directed via the supply passageway (3) to both the spray device (2, 27; 2, 39) and a crankshaft (17). The spray device (2) is designed as an oil-spray nozzle (27) or alternatively as a spray hole (39) integrated in the crankshaft-bearing cap (7).
    • 本发明涉及一种具有活塞冷却装置(1)的内燃机,该活塞冷却装置具有经由至少一个供应通道(3)供应有冷却剂/润滑剂的至少一个喷射装置(2,27; 2,39) 。 供给通道(3)布置在由曲轴轴承结构元件(6)和曲轴轴承盖(7)组成的模块(4)中。 喷雾装置(2,27; 2,39)在供给通道(3)的区域中连接到曲轴轴承盖(7),曲轴轴承壳(14)。 供应通道(3)还连接到通孔(16),使得冷却剂/润滑剂可以经由供应通道(3)被引导到喷雾装置(2,27,23)和曲轴(17) 。 喷射装置(2)被设计为喷油嘴(27),或者作为集成在曲轴轴承盖(7)中的喷孔39)设计。