Seal structure of belt cover for internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America
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Jul 16, 2024
Grant Date -
N/A
app pub date -
Apr 25, 2022
filing date -
Apr 25, 2022
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a seal structure of a belt cover for an internal combustion engine having excellent sealability on the composite mating surfaces of an upper cover, a lower cover, and an inside cover constituting the belt cover. The seal structure of the belt cover for the internal combustion engine according to the present invention includes: an inside cover member disposed on a side of the body of the internal combustion engine; and an outside cover member disposed on a side opposite to the body of the internal combustion engine, and accommodating a timing belt TB in a liquid-tight state together with the inside cover member. The outside cover member is divided into an upper outside cover 4 and a lower outside cover 5. A first seal is formed between the upper outside cover 4 and the inside cover member. A second seal is formed between the upper outside cover 4 and the lower outside cover 5. At a boundary between the first seal and the second seal, a seating portion 36 on which a lower end 32a of a seal member 32 of the first seal is seated is formed by an end upper surface of a male portion 33 of the lower outside cover 5 and an end upper surface of a projecting portion 35 of the inside cover member flush with the end upper surface of the male portion 33.
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