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Showing posts from June, 2012

Beginning of Air Compressors

The first air compressors created were not machines , like many people may think. In fact they were actually people themselves. Humans used their lungs to blow oxygen onto fires, thus creating the first air compressors. The air compressors we know today are both stronger and more efficient. A healthy pair of human lungs can produce.02 to.08 bar, where one bar equals 14.5 pounds per square inch. Around 3,000 BC metallurgy had made its day view, and humans had turned over a new leaf in air compressors. As metals were melted down, higher temperatures were needed, which lead to a need for more powerful compressors. Hand held bellows were soon created and in the 1,500 BC era foot bellows began to be produced. For 2,000 years bellows driven by foot were the primary choice when it came to compressed air. Soon blast furnaces were developed, which lead to John Smeaton 's design of a water wheel-driven blowing cylinder in 1762. Hand held and foot operated bellows become obsolete, and the