Motorcycle fuel tank
First Claim
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1. A motorcycle fuel tank comprising:
- an upper shell; and
a lower shell including fixing portions, the lower shell being bonded to the upper shell and defining a fuel storage space with the upper shell, the fixing portions arranged to attach the lower shell onto a motorcycle body;
whereinthe lower shell is made of a first composition of one of a cast aluminum and a cast aluminum alloy such that the fixing portions are integral with the lower shell;
the upper shell is made of a second composition of one of a press-formed aluminum and a press-formed aluminum alloy material; and
the first composition is different from the second composition.
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Abstract
A motorcycle fuel tank according to a preferred embodiment of the present invention includes an upper shell, and a lower shell including a body and fixing portions. The lower shell body is bonded to the upper shell and arranged to define a fuel storage space with the upper shell. The fixing portions are used to fix the lower shell body onto a motorcycle body. The lower shell is made of an aluminum alloy and the lower shell body and the fixing portions are formed by a casting process such that the fixing portions are integral with the lower shell.
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Citations
20 Claims
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1. A motorcycle fuel tank comprising:
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an upper shell; and a lower shell including fixing portions, the lower shell being bonded to the upper shell and defining a fuel storage space with the upper shell, the fixing portions arranged to attach the lower shell onto a motorcycle body;
whereinthe lower shell is made of a first composition of one of a cast aluminum and a cast aluminum alloy such that the fixing portions are integral with the lower shell; the upper shell is made of a second composition of one of a press-formed aluminum and a press-formed aluminum alloy material; and the first composition is different from the second composition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A motorcycle fuel tank comprising:
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an upper shell; and a lower shell including fixing portions, the lower shell being bonded to the upper shell and defining a fuel storage space with the upper shell, the fixing portions arranged to attach the lower shell onto a motorcycle body;
whereinthe upper and lower shells are made of aluminum or an aluminum alloy and have mutually different compositions; and at least the lower shell is made of an aluminum alloy containing silicon and a weight percentage of silicon in the lower shell is greater than a weight percentage of silicon in the upper shell. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification