Cooling structure of water-cooled engine
First Claim
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1. A cooling structure of a water-cooled engine, comprising:
- a plurality of cylinders arranged in a cylinder block; and
a water jacket formed around the plurality of cylinders,whereinthe water jacket includes a pair of main flow paths formed in a state of extending in a cylinder arrangement direction outside the cylinders, and inter-bore flow paths formed between adjacent cylinders in a state of connecting the pair of main flow paths, andguide walls, capable of guiding the cooling water flowing in the main flow paths to the inter-bore flow paths, are formed in the cylinder block and in a cylinder outer frame portion that surrounds the water jacket in the cylinder block, andat least some of the guide walls are formed as arc-shaped rib walls along circumferential directions of the cylinders.
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Abstract
A cooling structure of a water-cooled engine includes: a plurality of cylinders 2 arranged in a cylinder block 1; and a water jacket W formed around the plurality of cylinders 2. The water jacket W includes a pair of main flow paths 7, 8 formed in a state of extending in a cylinder arrangement direction outside the cylinders, and inter-bore flow paths 9, 10 formed between adjacent cylinders 2 in a state of connecting the pair of main flow paths 7, 8. Guide walls 11h, 13h, capable of guiding the cooling water flowing in the main flow paths 7, 8 to the inter-bore flow paths 9, 10, are formed in the cylinder block 1.
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3 Claims
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1. A cooling structure of a water-cooled engine, comprising:
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a plurality of cylinders arranged in a cylinder block; and a water jacket formed around the plurality of cylinders, wherein the water jacket includes a pair of main flow paths formed in a state of extending in a cylinder arrangement direction outside the cylinders, and inter-bore flow paths formed between adjacent cylinders in a state of connecting the pair of main flow paths, and guide walls, capable of guiding the cooling water flowing in the main flow paths to the inter-bore flow paths, are formed in the cylinder block and in a cylinder outer frame portion that surrounds the water jacket in the cylinder block, and at least some of the guide walls are formed as arc-shaped rib walls along circumferential directions of the cylinders. - View Dependent Claims (2, 3)
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Specification