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Air Intake

AIR FILTERATION

Large capacity diesel engines and compressors suck air through an intake system, which filters air by removing rainwater, floating debris, coarse and fine dirt particles. Typical stages of filtration may include: Weather Louvers, Mist eliminators, Inertial separators, Oil bath filters, Prefilters, Fine filters, etc. Filtration efficiency of 99% down to One-micron particles is possible to achieve. Capacity from 10,000 to 60,000 CuM./Hr. can be handled. Units can be custom made with control panel meeting the individual customer needs. We are in a position to supply spares for maintenance of existing systems also.

An intake is an air intake for an engine. Because the modern internal combustion engine is in essence a powerful air pump, like the exhaust system on an engine, the intake must be carefully engineered and tuned to provide the greatest efficiency and power. An ideal intake system should increase the velocity of the air until it travels in to the combustion chamber, while minimizing turbulence and restriction of flow. This is usually accomplished by flow testing on a flow bench in the port design stage. Cars with turbochargers or superchargers which provide a pressurized intake system, usually have extensive tweaking of the intake system to improve performance dramatically.

A modern air intake system should have three main parts, an air filter, mass flow sensor, and throttle body. Many cars today now include a silencer to minimize the noise entering the cabin. Silencers impede air flow and create turbulence which reduce total power, so many performance enthusiasts often remove them.

Production cars have specific length air intakes to cause the air to vibrate and buffett at a specific frequency to assist air flow in to the combustion chamber. Aftermarket companies for cars have introduced larger throttle bodies and air filters to decrease restriction of flow at the cost of changing the harmonics of the air intake for a small net increase in power or torque.

BMW is unusual in that its M line of performance cars have one throttle body per cylinder, as opposed to one throttle body for four, six or even eight cylinders for regular production cars. This is done to increase flow characteristics and improve throttle response. Nissan also use this system in their high performance models.

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