Patent ID: 9160009
Filing Date: 2015-10-13
Classification: F42C,H01M

Abstract:
1. An ignition system for a thermal battery, the ignition system comprising: a base plate for connection to the thermal battery; and two or more inertial igniters formed on the base plate, each of the two or more inertial igniters having a striker mass which ignites one or more pyrotechnic materials upon a predetermined acceleration profile, the base plate having an opening corresponding to each of the two or more inertial igniters for allowing a generated spark to pass into the thermal battery; wherein each of the inertial igniters comprises two or more posts connected to the base plate for guiding the striker mass towards the one or more pyrotechnic materials, each of the two or more posts further having a hole for housing a ball, the balls retaining the striker mass from striking the one or more pyrotechnic materials unless the predetermined acceleration profile is experienced by the base plate.