As a power source, compressed air is widely used.

Drive the cylinder to produce linear motion; drive the pneumatic motor to produce rotary motion; drive the jet element for calculation and control.

Use it to carry certain substances to complete the work. For example, blast cleaning; spraying; water spray cleaning; painting.

It can be used as a buffer and spring by its compressibility. Gas spring; cushion, etc.

And the above derived applications. For example, the cylinder can derive air bag, air cushion, etc.

Military field

The gas produced by the explosion of gunpowder is compressed air. But one kind of torpedo is powered by compressed air. In addition, there are air guns. In addition, the operational control system of the early unmanned reconnaissance aircraft in the United States was composed of jet components. The reason may be that the computer was not good at that time or it was resistant to electromagnetic interference.

Marine function: salvage the buoys and pontoons for sunken ships and gas cylinders for shallow diving.

Life field

Air pump, inflatable advertisement at the gate of shopping mall.

Entertainment: air guns, large inflatable toys.

Uncle miner is mining coal with a drill like machine on his shoulder. The machine "Pa Pa Pa" to ring, large pieces of coal fly down. The rod of this kind of drill is not rotating, but "slapping". This is a pneumatic pick operated by compressed air.

In the construction of the bridge, countless steel frames should be connected by rivets. A large steel bridge should be riveted with millions of rivets. The worker's uncle used a fast and fierce rivet gun. This kind of gun is also operated by compressed air.

The architect cut a rubber tube in half, sealed the two ends of the semicircular tube, inserted them into the ground, and then pumped in again. When the semicircular rubber tube stood up, it became a circular bow pillar. If you put a lot of such pillar license plates together, and then cover them with a layer of plastic film, a very light house will be built. This kind of house is very fast to build. As long as you press the inflatable prop with something, connect the ventilator and blow the air, it can be built in dozens of minutes. The air cushion used to protect people from injury during descent also uses compressed air to inflate rapidly.