Friday, March 19, 2010

Air Compressor Design and Basic Principles

Content Inside:

The Air compressor design and basic principles is a small handbook which contain information about the main principles of Air compressor design, diagram and schematic. An air compressor does most of its work during the compression stroke. This adds energy to the air by increasing its pressure. Compression also generates heat, however, and the amount of work required to compress a quantity of air to a given pressure depends on how fast this heat is removed. An air compressor operates by converting mechanical energy into pneumatic energy via compression. The input energy could come from a drive motor, gasoline engine, or power takeoff. Positive Displacement Compressors, Pressure Characteristics - A compressor with a positive displacement pumping mechanism has these important pressure characteristics: The pressure against which the compressor works rises to higher and higher values as pumping continues. It must be limited by some external pressure control device. Reciprocating Piston -This design (Fig. 11) is widely used in commercial air compressors because of its high pressure capabilities, flexibility, and ability to rapidly dissipate heat of compression. And it is oil-less. Typical reciprocating piston air compressor, Reciprocating motion of the piston compresses air with each revolution of the crankshaft. Typical diaphragm compressor. The heavy-duty diaphragm is made of heat-resistant elastomer with fabric reinforcement. Cross-section shows diaphragm flexing in response to up/down motion of connecting rod.