초록

The present invention is directed to an improved igniter for airbags wherein the igniter is combined with an airbag assembly fixedly making metal-to-metal communication.

대표청구항 ▼

An igniter comprising: (a) a metal housing having a first open end and a second open end, (b) a metal cup containing a pyrotechnic charge attached solely to a forward portion of said housing adjacent the first open end, (c) twin axial wires extending through the second end of the housing and in cont

An igniter comprising: (a) a metal housing having a first open end and a second open end, (b) a metal cup containing a pyrotechnic charge attached solely to a forward portion of said housing adjacent the first open end, (c) twin axial wires extending through the second end of the housing and in contact with the pyrotechnic charge at the first end, (d) a bridge wire affixed to each of the twin axial wires, said bridge wire contacting said pyrotechnic charge, (e) said twin axial wires being held in place within the housing by a glass to metal seal, and (f) a body of insulating material attached to the second open end of the housing and having an open cavity adjacent said housing, said twin axial wires extending through said body and said open cavity, a metal element within said cavity and in contact with the second open end of the housing, at least one of said twin axial wires being bent towards said metal element, said metal element controlling electrostatic discharges said metal element positioned away from the pyrotechnic material and forming a discharge gap defined by the distance between said at least one bent twin axial wire and the metal element, said discharge gap being smaller than a gap between the twin axial wires and the housing in the area adjacent to the pyrotechnic material.