Patent attributes
The discloser describes a respirator that uses a face mask connected to a wearable device through two air tubes. The wearable device has an air inlet assembly to pull in air from the environment, an exhaust assembly, and an oxygen tank with a regulator. The regulator receives oxygen from the oxygen tank, injects it into the air inlet assembly to be mixed with the air from the environment, and to be delivered into the face mask. The regulator uses a sensor to measure the oxygen pressure within the regulator and an airbag to maintain the pressure and amount of oxygen exiting the regulator. The airbag is inflated or deflated automatically or manually to control the oxygen pressure within the regulator. The exhaust assembly receives the contaminated air from interior of the mask and filter it before releasing to the environment.
