Rebreather

Rebreather

A Rebreather is a type of breathing set that provides a breathing gas containing oxygen and recycled exhaled gas. This recycling reduces the volume of breathing gas used, making a rebreather a good tool for underwater diving and space travel.

History

The concept of re-breathing has been around for several centuries. The first rebreather, designed by Henry Fleuss in 1878, was used to help divers stay underwater for longer periods of time.

Types of Rebreathers

There are three main types of rebreathers: oxygen rebreather, semi-closed circuit rebreather, and closed circuit rebreather.

Oxygen Rebreather

An oxygen rebreather is a rebreather that uses pure oxygen as the only source of oxygen.

Semi-Closed Circuit Rebreather

A semi-closed circuit rebreather uses a gas mix of oxygen and an inert gas, such as nitrogen or helium.

Closed Circuit Rebreather

A closed circuit rebreather uses a gas mix that is typically one third oxygen and two thirds inert gas.

Advantages and Disadvantages

Rebreathers have several advantages over other breathing sets. They are more gas efficient, produce no bubbles, and allow for longer dive times. However, they are also more complex and expensive.

See Also

• Scuba diving
• Underwater diving
• Breathing apparatus

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