Inflator for airbag
First Claim
1. An air bag inflator, comprising:
- a cylindrical housing defining an internal space therein and having at least one convex portion protruding towards the internal space, said cylindrical housing including a first end that is closed and a second end opposite to the first end; and
a cup member including an open end and a closed end, and being disposed in a side of the second end and separating the internal space into a first chamber and a second chamber, the cup member having a cylindrical wall, provided with a vent hole that communicates the second chamber defined inside the cup member with the first chamber defined by said cup member and an inner surface of said cylindrical housing, the cup member being provided such that the cup member is in contact with the at least one convex portion and the vent hole is located in the side of the second end with respect to the at least one convex portion.
1 Assignment
0 Petitions
Accused Products
Abstract
An air bag inflator has a cylindrical housing defining an internal space therein and having a convex portion protruding towards the internal space, and a cup member provided inside the cylindrical housing and having a cylindrical wall, provided with a vent hole that communicates inside the cup member with a space defined by the cup member and an inner surface of the cylindrical housing, and an end wall closing a first end of the cylindrical wall. The cup member is supported inside the cylindrical housing by making contact with the convex portion. An inflator assembly method includes, forming the convex portion, providing the cup member, and inserting the cup member inside the internal space of the cylindrical housing, such that the cup member abuts the convex portion.
38 Citations
25 Claims
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1. An air bag inflator, comprising:
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a cylindrical housing defining an internal space therein and having at least one convex portion protruding towards the internal space, said cylindrical housing including a first end that is closed and a second end opposite to the first end; and a cup member including an open end and a closed end, and being disposed in a side of the second end and separating the internal space into a first chamber and a second chamber, the cup member having a cylindrical wall, provided with a vent hole that communicates the second chamber defined inside the cup member with the first chamber defined by said cup member and an inner surface of said cylindrical housing, the cup member being provided such that the cup member is in contact with the at least one convex portion and the vent hole is located in the side of the second end with respect to the at least one convex portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An inflator assembly method, comprising:
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providing a cylindrical housing including a first end that is closed and a second end opposite to the first end; forming at least one convex portion that protrudes toward an internal space of the cylindrical housing; providing a cup member including an open end, a closed end, and a cylindrical wall provided with a vent hole; and inserting the cup member inside the internal space of the cylindrical housing such that the cup member abuts the at least one convex portion and the vent hole is located in a side of the second end with respect to the at least one convex portion. - View Dependent Claims (24, 25)
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Specification