compressed aircompressed air
The definition of compressed air is air that is under pressure greater than atmospheric pressure.
An example of compressed air is air used for braking systems on railroads.
air held under pressure in a container: the force generated when the air is released is used to operate machines, tools, etc.
Air under greater than atmospheric pressure, especially when used to power a mechanical device or to provide a portable supply of oxygen.
- With compressed-air machines which discharge the cold air direct into the insulated room or hold, a snow box is provided close to the outlet of the expansion cylinder to catch the snow and congealed oil.
- In such compressed-air machines as are now made there is no injection of water during compression, and the compressed air is cooled in a surface cooler, not by actual mixture with a shower of cold water.
- Among the new manufactories were a shipbuilding establishment at Groton near New London, which undertook contracts for the United States government, and a compressed-air plant near Norwich.
- In some instances electric motors have been substituted for compressed-air engines in such machines.
- Compressed-air Machines.-A compressed-air refrigerating machine consists in its simplest form of three essential parts -a compressor, a compressed-air cooler, and an expansion cylinder.