Engine-Driven Systems

Motor Driven Systems

Natural gas, gasoline, propane engines can be used to drive compressors for refrigerating machines. Variable speed compressor produces flexible capacity. There are a relatively low cost of operation. Such units are available in four 75 tons capacity. The motor-compressor units of one to five tons available for use on trucks units. They are also used for air conditioning.

Pressure regulators are typically used. Pressure control, connected to the engine gas. He is the low side of the suction line. The connection is that, as the suction pressure is increasing the engine's throttle is opened. This increases the speed of rotation of the compressor in order to increase the cooling rate. As the temperature drops in the evaporator, the engine will slow down. This should result in a balance between engine speed and low-pressure side. This will give the desired temperature in the refrigerated space...

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Motor Driven Systems