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Micro Vapor Cycle System

Lightweight Cooling for Urban Air Mobility

Honeywell’s Micro Vapor Cycle System (VCS) is the ideal cooling solution for urban air mobility aircraft and military & civil helicopters where reduced size and weight are priorities. The system uses advanced technology such as a high-speed centrifugal compressor, next generation refrigerant and power electronics with Silicon Carbide switches, to generate cold air or liquid that can be used to cool heat-generating electronic components, batteries, and the cockpits and cabins of UAM vehicles and helicopters. 

Honeywell already is working with several UAM market innovators to apply the Micro VCS technology in their air mobility platforms.

Our innovative Micro VCS is up to 35 percent lighter and 20 percent more efficient than conventional vapor cycle systems with comparable cooling capacity. The system is highly reliable and virtually maintenance free, thanks to its unique oil-free technology and small number of moving parts, resulting in low total cost of ownership. The Honeywell VCS design experience is based on mature, fielded units that have performed reliably in demanding environments such as the Airbus 350, Boeing 707, F-22 and E2-C/D. Our product comes with Honeywell’s Forge – Connected Maintenance, a solution for health monitoring and predictive analytics to minimize operating costs and downtime.

Honeywell has extensive experience in VCS technology for aerospace applications and is an innovative and well-proven provider of high-speed centrifugal compressors, the critical component of the system. For more information please contact us. 

  Honeywell Micro VCS Company A Company B Company C
Cooling capacity: 20 Kw @ 50/160deg F
Existing aircraft applications
HVDC Architecture 270-900VDC 115 VAC or 28 VDC 115 VAC or 28 VDC
Oil-less compressor using Air Bearings Heavy / Oil-based compressors Heavy / Oil-based compressors Heavy / Oil-based compressors
*Environment friendly Low GWP Solstice ZD r134a r134a r134a
Silicon carbide-based controllers IGBTs IGBTs IGBTs

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