SUMMARY OF HYDRAULIC AND PNEUMATIC MACHINES
Hydraulic and pneumatic machines use similar principle to operate; this principle is in the ability of water and air to expand immensely when subjected to pressure.
Hydraulic machines use liquid to operate, while pneumatic machine uses air flow to operate. There are some among them that operate with use of both liquid and air.
Examples of hydraulic machines are Forklift, Hydraulic jack, Force pump, Water wheel, Hydraulic lift, Turbine, Garden sprinkler etc. These hydraulic machines have been fully discussed in this chapter.
The hydraulic system is composed of five components, namely: The energy device, The executive device, The control and regulation device, The auxiliary device and The liquid medium.
Pneumatic machines are mostly pumps for moving air to inflate a container, to move water or waste from one point to another through changes in air pressure within a cylinder or system.
Common examples of pneumatic machines include: Hand pump, Air compressor machine, Jack hammer and Vacuum pump. These pneumatic machines have been fully discussed in this chapter.
Components of pneumatic machines include: The single acting cylinder, The shuttle valves, A double-acting cylinder, A three-port valve, The five-port valve, and A flow regulator.
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