"According to the company, the compressor integrates an ultra-high-speed electric motor exceeding 160,000 rpm combined with an oil-free foil bearing system. The architecture is designed to deliver reduced package size, lower weight and lower noise levels compared with conventional scroll compressors. Garrett states that the system is up to 50% smaller, 30% lighter and 10 dB quieter than traditional scroll-based solutions. The compressor is engineered for compatibility with 400V to 800V heat pump systems and supports low-pressure, low-GWP refrigerants."
"The oil-free configuration is validated for up to 45,000 hours of maintenance-free operation, based on testing conducted during 2025 by both Garrett and Cling. The core technologies are developed for automotive-grade, scalable production targeting electric vehicle and industrial applications. Garrett Motion, headquartered in Plymouth, Michigan, and Rolle, Switzerland, operates six R&D centers and 13 manufacturing facilities globally, employing approximately 8,700 people across more than 20 countries."
Cling selected Garrett's oil-free, foil bearing-based centrifugal compressor, E-Cooling, for integration into next-generation electric bus and truck thermal management systems in China, with production starting in 2027. The compressor combines an ultra-high-speed electric motor exceeding 160,000 rpm with an oil-free foil bearing system to reduce package size, weight and noise compared with conventional scroll compressors. The design claims up to 50% smaller volume, 30% lower mass and 10 dB less noise, and is compatible with 400V–800V heat pump systems using low-pressure, low-GWP refrigerants. Testing in 2025 validated up to 45,000 hours maintenance-free operation for automotive-grade scalable production.
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