Fire suppressant device and method, including expansion agent

A fire suppressant device, comprising:

• a housing defining a hollow cylinder;
• and
• a column disposed at least partially within the hollow cylinder, the column including a first end having a piercing end, a second end having an end cap, an expansion chamber, and an extinguishing agent chamber, the expansion chamber being located adjacent the second end having the end cap, and the extinguishing agent chamber being located adjacent the first end having the piercing end,
• wherein the expansion chamber is configured to receive an expansion agent, and the extinguishing agent chamber is configured to receive a fire extinguishing agent, and
• wherein the column is configured to extend from the housing upon activation of the expansion agent to enable the piercing end to pierce a container.

A method for delivering a fire extinguishing agent into a container to suppress a fire within the container, comprising:

• providing a device including a housing defining a hollow cylinder, a column disposed at least partially within the hollow cylinder and configured to extend from the hollow cylinder when activated, the column defining a piercing end, an expansion chamber configured to receive an expansion agent, and an extinguishing agent chamber configured to receive a fire extinguishing agent;
• igniting the expansion agent to extend the column from the hollow cylinder such that the piercing end pierces the container;
• and
• delivering the fire extinguishing agent to an interior of the container.