What is the main purpose of an oil pump in a semi-hermetic compressor?

The primary function of an oil pump in a semi-hermetic compressor is to circulate lubrication throughout the system. Proper lubrication is essential in maintaining the performance and longevity of the compressor components, including the moving parts such as the crankshaft and bearings. The oil pump ensures that adequate lubrication is delivered to these parts, reducing friction and wear during operation.

In addition, circulating the oil helps to maintain the proper temperature within the compressor, preventing overheating and ensuring efficient operation. Oil also plays a crucial role in sealing the internal components, further enhancing the effectiveness of the compressor.

Understanding this function is vital because efficient lubrication directly impacts the reliability and efficiency of the entire refrigeration system. Proper oil circulation minimizes downtime and maintenance costs, ensuring the compressor operates smoothly over its lifespan.