Fire suppression system

A fire suppression system comprising:

• at least one suppressant tank configured to store a gaseous fire suppressant agent;
• at least one tubular member in fluid communication with the at least one suppressant tank and extending proximate a component or area that the fire suppression system serves;
• and
• an activation member comprising a housing and a shuttle positioned within an inner volume of the housing, wherein the at least one tubular member comprises a first section extending from the at least one suppressant tank to an inlet of the activation member, and a second section extending from an outlet of the activation member to proximate the component or area that the fire suppression system serves;
• wherein the shuttle is movable between a closed position in which the outlet of the activation member is covered by the shuttle such that the fire suppression system does not provide the gaseous fire suppressant agent to the component or area that the fire suppression system serves, and an open position in which a fluid flow path between the outlet of the activation member and the inlet is defined through the inner volume such that the fire suppression system provides the gaseous fire suppressant agent to the component or area that the fire suppression system serves;
• wherein the shuttle is movable between the closed position and the open position in response to a change in a pressure differential across the shuttle due to a fire event or thermal event occurring at the component or area that the fire suppression system serves.

An activation unit for a fire suppression system, the activation unit comprising:

• a body defining an inner volume, the body configured to couple with a fire suppression agent source at an inlet, an outlet conduit at an outlet, and further including a pressure port;
• and
• a shuttle disposed within the inner volume, the shuttle translatable between a first position and a second position, wherein in the first position the outlet is sealed shut and in the second position, the outlet is fluidly coupled with the fire suppression agent source through the inlet and the inner volume;
• wherein the shuttle is configured to transition out of the first position and into the second position responsive to a decrease in pressure at the pressure port, the pressure port fluidly coupled with a chamber defined by the shuttle and the inner volume.