STRUCTURE OF CYLINDER BLOCK AND MANUFACTURE THEREOF

PURPOSE:To perform effective cooling of a wall between a cylinder bores as a distance between the cylinder bores is shortened. CONSTITUTION:An interbore cooling water passage 5 through which main cooling water passages 4 and 4 on both sides of a water-cooled jacket are intercommunicated is formed in...

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1. Verfasser: MUNETOKI HIROSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To perform effective cooling of a wall between a cylinder bores as a distance between the cylinder bores is shortened. CONSTITUTION:An interbore cooling water passage 5 through which main cooling water passages 4 and 4 on both sides of a water-cooled jacket are intercommunicated is formed in a wall 3 between cylinder bores 2 and 2. A plate chaplet 7 the two side parts of which are protruded in the main cooling water passage 4 is arranged in a cooling water passage 5 between bores. A window 9 spanning a space between the main cooling water passages 4 on both sides is formed in the plate chaplet 7. A strength against a molten cast pressure is ensured by the plate chaplet 7 and a distance between the cylinder bores 2 and 2 is shortened in a way that a part of the interboore cooling water passage 5 consists of the window 9.