Which air compressor type involves the use of rotating blades for compression?

The type of air compressor that utilizes rotating blades for compression is the rotary compressor. This design involves a mechanism where rotors or blades continuously move and create a pressure differential that compresses the air. The rotating action helps in efficiently compressing large volumes of air while maintaining a relatively low operational noise level and consistent airflow.

Rotary compressors are often used in various applications, including HVAC systems and industrial operations, due to their ability to provide a steady and continuous supply of air. Their design allows for less pulsation and smoother airflow compared to other types of compressors, which is a key advantage in many operational scenarios.

The mention of other options highlights that while reciprocating compressors use pistons that create compression through linear movement, and centrifugal compressors utilize a different mechanism involving rotation but primarily focus on high-speed flow dynamics rather than rotating blades, they do not utilize the blade system as effectively as rotary compressors do. Additionally, solar does not relate to air compression technology as it refers to energy derived from sunlight.