Compressor surge is a disaster to the compressor and the whole machine. Rotary Vane compressors are, with piston compressors one of the oldest of compressor technologies. An air compressor for powering pneumatic tools is included. This cooling air comes from an air compressor. The inlet to a centrifugal compressor is typically a simple pipe. It is also used in a rotary-screw air compressor. A combustion chamber is fabricated and plumbed between the compressor and turbine sections. It has a starter motor which has a high torque transmitted to the compressor unit. The main part of a centrifugal compressor is the impeller. Another example is a pressure switch on an air compressor. The air then entered the engine compressor. The next key component to the simple centrifugal compressor is the diffuser. Such a system may be powered by high pressure air provided by a compressor. The reciprocating natural gas compressor was developed by Sertco. An approach for reducing the exhaust compressor parasitic power loss is as follows.