Bridgewire initiator
First Claim
Patent Images
1. A bridgewire initiator comprising;
- an electrically conductive cylindrical header having a radial flange at one end thereof;
a first connector electrically connected to said header;
a second connector;
a bridgewire having one end electrically connected to said header and an opposite end electrically connected to said second connector;
a cylindrical charge holder telescoped over said header and having a radial flange abutting the radial flange of said header;
an ignition composition disposed internally of said cylindrical charge holder and juxtaposed against said bridgewire, wherein said ignition composition disposed within said cylindrical charge holder has a length to diameter ratio of approximately one; and
a cylindrical output cup having an open end and a concave end, the open end of said output cup being telescoped over said cylindrical charge holder, and having a truncated conical radial flange abutting the radial flange of said header, the concave end of said output cup closing said charge holder and maintaining a bias on said ignition composition.
1 Assignment
0 Petitions
Accused Products
Abstract
The disclosure relates to a bridgewire initiator used to ignite a booster charge in an airbag inflator. A pair of connectors are electrically connected to a bridgewire disposed within a charge holder containing an ignition composition. The ignition composition is biased against the bridgewire by an output cup having a concave end telescoped over the charge holder. When firing current is applied to the connectors the bridgewire is electrically heated thereby igniting the booster charge.
-
Citations
2 Claims
-
1. A bridgewire initiator comprising;
-
an electrically conductive cylindrical header having a radial flange at one end thereof; a first connector electrically connected to said header; a second connector; a bridgewire having one end electrically connected to said header and an opposite end electrically connected to said second connector; a cylindrical charge holder telescoped over said header and having a radial flange abutting the radial flange of said header; an ignition composition disposed internally of said cylindrical charge holder and juxtaposed against said bridgewire, wherein said ignition composition disposed within said cylindrical charge holder has a length to diameter ratio of approximately one; and a cylindrical output cup having an open end and a concave end, the open end of said output cup being telescoped over said cylindrical charge holder, and having a truncated conical radial flange abutting the radial flange of said header, the concave end of said output cup closing said charge holder and maintaining a bias on said ignition composition. - View Dependent Claims (2)
-
Specification