| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump driving structure for an engine, capable of being simplified by reducing the number of parts. SOLUTION: The engine 11 into which a plurality of fluids including a lubricating oil and cooling water are supplied by respective rotary pumps comprises a driving chain 28 connecting a crankshaft 15 to a camshaft 27, a first rotary pump 45 having a first rotational shaft 46 which is arranged in parallel to the crankshaft 15, on which the driving chain 28 is wound, and which is to be rotated with the rotation of the crankshaft 15, for supplying the first fluid to the engine 11 with the rotation of the first rotational shaft 46, and a second rotary pump 51 having a second rotational shaft 55 which is connected and fixed coaxially to the first rotating shaft 46 of the first rotary pump 45, for supplying the second fluid to the engine 1 with the rotation of the second rotational shaft 55. Thus, one driving chain 28 is used for rotating the camshaft 27 and the two rotary pumps 45, 51. COPYRIGHT: (C)2004,JPO
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