INTERNAL COMBUSTION ENGINE WITH TWO CYLINDER ROW
PURPOSE: To guide a cooling water flow concentratively in a case portion of an internal combustion engine and simultaneously cool by providing a cooling water supply passage in a lower wall part of each cylinder bank, and providing a discharge passage extending parallel to the supply passage in an u...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To guide a cooling water flow concentratively in a case portion of an internal combustion engine and simultaneously cool by providing a cooling water supply passage in a lower wall part of each cylinder bank, and providing a discharge passage extending parallel to the supply passage in an upper wall portion. CONSTITUTION: A cooling water supply passage 16 is provided in a lower wall part 18, 19 of each cylinder bank 1, 2, and a calibrated first connecting part 20 having a designated cross section area is connected to a cooling water jacket 10, and connected to a cooling water passage 11 through a second connecting part 21. On the other hand, a discharge passage 30 is provided in parallel to the longitudinal axis A in an upper wall portion 28, 29 of each cylinder bank 1, 2, thereby connecting the cooling water jacket 10 of a cylinder head 7 to the cooling water passage 11. Thus, the cooling water flow is concentratively guided in a case porton of the internal combustion engine and simultaneously cooling is achieved. |
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