Nanfeng Group’s Latest Innovation: Oil-Free Liquid-Cooled Scroll Air Compressor

In 2026, Nanfeng Group will introduce its latest Oil-Free Liquid-Cooled Scroll Air Compressor, an advanced electric air compressor engineered to deliver high-performance compressed air with exceptional purity and reliability. As a dedicated EV compressor, it meets the rigorous demands of modern electric vehicles while maintaining the core advantages of scroll technology.

Key Advantages

1. Zero Oil Contamination, High-Purity Air

Completely oil-free design eliminates the need for lubricating oil during compression, ensuring 100% oil-free compressed air output. As a true oilless air compressor, it requires no additional purification equipment.

2. High Efficiency, Low Operating Costs

Continuous scroll engagement delivers volumetric efficiency exceeding 95%, offering greater energy savings compared to piston or screw compressors. This efficiency is critical for extending the range of battery-powered applications.

3. Low Noise and Low Vibration

Smooth orbital motion minimizes mechanical impact. Optimized dynamic balance eliminates the need for complex vibration damping devices, making it ideal for quiet electric vehicle environments.

4. Simple Maintenance, Extended Service Life

Unique floating seal technology automatically compensates for material wear, ensuring consistent airflow throughout the product lifecycle. Scrolls are made from high-strength, wear-resistant materials for long-term durability.

Addressing Common Pain Points of Oil-Lubricated Brake Compressors

1. Oil Emulsification: 

In intermittent operation, oil temperature often fails to reach the level needed to expel moisture. Retained water mixes with the oil, causing emulsification. This leads to component corrosion, bearing wear, rotor scuffing or seizure, and eventual compressor failure. Alternative solutions that rely on idling to raise temperature result in energy waste.

2. Oil Leakage: 

Over time, lubricating oil seeps out, forming oil sludge and grime. This creates fire hazards and compromises vehicle cleanliness. Oil loss can also lead to overheating and shutdown.

3. Frequent Maintenance: 

Oil-lubricated compressors require regular oil changes, filter replacements, and dryer cartridge renewals—intervals that are misaligned with the longer maintenance cycles of other vehicle components, negatively impacting customer satisfaction.

Addressing Common Pain Points of Oil-Free Piston Compressors

1. High Vibration and Noise: 

Reciprocating motion generates significant vibration, particularly noticeable in quiet electric vehicles. Pulsating exhaust noise is abrupt and difficult to isolate, leading to customer complaints.

2. Short Service Life and High Failure Rates: 

Typical service life ranges from 3 to 4 years, with some units failing within 2 years—a major failure point in new energy vehicles.

3. Frequent Maintenance: 

Components such as piston rings require replacement approximately every two years, incompatible with the extended maintenance intervals expected in new energy vehicles.