Weld structure
AssigneeSubaru Corporation
InventorsYusuke Shirakawa, Takuya Maekawa, Hiroto Seto, Takamasa Tsuchiya
Life of this patent
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Abstract
A weld structure includes a fitting portion at which a first member and a second member are engaged, a weld portion at which the first member and the second member are welded together, and a space between the fitting portion and the weld portion. One of the first member and the second member has a communication passage whose one end is open to the space and whose other end is open to an outside at a position other than the space. The communication passage is blocked by an insertion member that has a predetermined function in addition to blocking the communication passage.
Claims15
A weld structure applicable to a differential device to be mounted in a vehicle, the weld structure comprising:
- a fitting portion at which a first member and a second member are engaged,
- a weld portion at which the first member and the second member are welded together, and
- a space between the fitting portion and the weld portion, wherein
- one of the first member and the second member has a communication passage whose first end is open to the space and whose second end is open to an outside at a position other than the space, and
- the communication passage is blocked by an insertion member that has a function in addition to a blocking function that blocks the communication passage, wherein the insertion member is inserted into the communication passage, after the first member and the second member are welded together.
A method of manufacturing a weld structure applicable to a differential device to be mounted in a vehicle, the weld structure comprising a fitting portion at which a first member and a second member are engaged, a weld portion at which the first member and the second member are welded together, and a space between the fitting portion and the weld portion, wherein
- one of the first member and the second member has a communication passage whose first end is open to the space and whose second end is open to an outside at a position other than the space, and
- after the first member and the second member are welded together, the communication passage is blocked by inserting an insertion member into the communication passage, wherein the insertion member that having a function in addition to a blocking function that blocks the communication passage.
Dependencies are inferred from the claim text.