Importance

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Abstract

A breathing system includes a breathing mask including a coupler and a module coupled to the coupler of the breathing mask and configured to provide heated gas to the breathing mask. The module includes: a housing including an outer surface with at least one intake slot formed therein and an output port that is coupled to the coupler of the breathing mask, the housing defining an enclosed space therein and the output port defining a port cross-section; a fan disposed in the enclosed space and configured to blow gas towards the output port; and a heater disposed in the enclosed space between the fan and the inner housing, the heater including at least one heating element configured to heat blown gas from the fan towards the output port. The at least one intake slot, fan, and heater all overlap with the port cross-section.

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First Claim