Mechanical inertial igniter with high-height drop safety feature for thermal batteries and the like
First Claim
Patent Images
1. An inertial igniter comprising:
- a striker mass movable towards one of a percussion cap or pyrotechnic material;
an element movable with the striker mass for releasing the striker mass to strike the percussion cap or pyrotechnic material upon an acceleration time and magnitude greater than a first threshold; and
at least one member configured to be movable into a path of the element to prevent the element from releasing the striker mass only where the acceleration time and magnitude is greater than a second threshold, the second threshold being greater than the first threshold.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for initiating a thermal battery including: releasing an engagement between an element and a striker mass upon an acceleration time and magnitude greater than a first threshold; and moving at least one member into a path of the element to prevent the element from releasing the striker mass only where the acceleration time and magnitude is greater than a second threshold, the second threshold being greater than the first threshold.
7 Citations
15 Claims
-
1. An inertial igniter comprising:
-
a striker mass movable towards one of a percussion cap or pyrotechnic material; an element movable with the striker mass for releasing the striker mass to strike the percussion cap or pyrotechnic material upon an acceleration time and magnitude greater than a first threshold; and at least one member configured to be movable into a path of the element to prevent the element from releasing the striker mass only where the acceleration time and magnitude is greater than a second threshold, the second threshold being greater than the first threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification