COMPOSITE CYLINDER BLOCK
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Oct 22, 2021
filing date -
Oct 22, 2021
priority date (Note) -
Published
status (Latency Note)
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Abstract
A cylinder block (1) includes a main block body (2) made of a metal material and an outer member (3) made of a resin material and welded to the main block body (2). The main block body (2) has a cylinder wall (13) defining therein a cylinder bore (16) and a second columnar part (14B) formed at a position apart from the cylinder wall (13). The outer member (3) has a second columnar part insertion hole (53) and defines a water jacket between the outer member (3) and the cylinder wall (13). The second columnar part (14B) is placed in the second columnar part insertion hole (53) with a predetermined clearance left between the second columnar part insertion hole (53) and the second columnar part (14B), in a state of being isolated from the water jacket, and extends to a cylinder head.
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