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The HSE definition for breathing apparatus is that they use a supply of breathing quality gas from an independent source, such as air compressors or compressed gas cylinders. In this case compression of the supply gas at some stage is implied. Both respirators and breathing apparatus are classed as respiratory protective equipment by the HSE. [2]
Breathing apparatus usually add some mechanical dead space to increase the total dead space of the system of breathing apparatus and user. demand valve A demand valveis a flow control mechanism that detects a pressure drop on the downstream side and opens the valve to compensate for the pressure drop. In supplied gas breathing apparatus this ...
Self-contained breathing apparatus – Breathing gas supplied respirator carried by the user; Smoke hood – Device to protect the user from smoke inhalation in an emergency; Surgical mask – Mouth and nose cover against bacterial aerosols; Ventilator – Device that provides mechanical ventilation to the lungs
Paul Hashagan also notes that, in 1863, A. Lacour developed and patented the "improved breathing apparatus". This system provided air to the wearer from two canvas and rubber balloon-like bags which were carried on the wearer's back. A pair of bellows would then allow the wearer to pump air to a mouthpiece.
A ventilator is a type of breathing apparatus, a class of medical technology that provides mechanical ventilation by moving breathable air into and out of the lungs, to deliver breaths to a patient who is physically unable to breathe, or breathing insufficiently.
Respiratory protective equipment (RPE), also called protective breathing equipment (PBE) in the US, [1] is a form of personal protective equipment designed to protect the wearer from a variety of airborne hazards in the form of a gas, fume, mist, dust or vapour. Respirators filter the air to remove harmful particles and alongside the breathing ...
A single piece of fire apparatus that can operate as either a rescue or an engine. This apparatus normally is outfitted with heavy rescue equipment, hoselines, pump, water tank, etc. Rex Tool A twenty-four inch bar with a U-shaped head, designed for grabbing and pulling lock cylinders. The other end is a chisel tip. Rig See apparatus. Ringdown ...
A supplied-air respirator (SAR) or air-line respirator is a breathing apparatus used in places where the ambient air may not be safe to breathe. It uses an air hose to supply air from outside the danger zone.