NEWS | US Honeywell

MicroVCS Cooling for Electric Aircraft

Honeywell unveils Micro Vapor Cycle System (MicroVCS), a lightweight, low-maintenance and energy-efficient thermal management system that uses advanced technology to generate cold air or liquid to cool cabins, electronic components and batteries for electric aircraft

MicroVCS Cooling for Electric Aircraft
Honeywell, June 23, 2020 - PHOENIX - As interest in urban air mobility grows, Honeywell is helping passengers, vehicles and cargo keep cool with its new Micro Vapor Cycle System (MicroVCS).

The MicroVCS is a lightweight, low-maintenance and energy-efficient thermal management system that uses advanced technology to generate cold air or liquid to cool cabins, electronic components and batteries. The new system is specifically designed for emerging air taxi, vertical takeoff and electric aircraft.

In July 2020, the MicroVCS will be incorporated into Eviation’s Alice aircraft, where it will be used to cool the cabin and avionics of the all-electric plane. In 2019, Alice was named among the best inventions of the year by Time magazine, and it is intended to be the world’s first commuter aircraft that will run entirely on electric power.

“In an all-electric aircraft, every ounce counts, so we needed an efficient way to provide cooling comfort for passengers in our fleet without adding excessive weight,” said Omer Bar-Yohay, CEO at Eviation. “Our adoption of the MicroVCS will ensure better aircraft uptime and reduce our overall operating costs while enhancing our passengers’ experience.”

Today’s aircraft vapor cycle systems comparable to the MicroVCS are heavier and oil-based, while also requiring periodic maintenance. This can contribute to aircraft being out of service — a challenging dynamic when aircraft are expected to be available on-demand, take off, fly and land dozens of times each day. The MicroVCS is lighter and completely oil-free with fewer moving parts, so it needs virtually no maintenance over the life of the system.

“Aircraft in the emerging Urban Air Mobility (UAM) or all-electric categories will need to be lightweight and avoid significant downtime for maintenance. It will also be extremely important to maintain battery temperature and ensure passenger comfort,” said Tom Hart, vice president and general manager, Air & Thermal Systems, Honeywell Aerospace. “Our new MicroVCS is up to 35% lighter and 20% more efficient than existing systems, which helps address these major concerns.”

Thousands of passenger, cargo and military aircraft worldwide are currently flying with Honeywell environmental, air and thermal systems onboard. Now, Honeywell is building upon its decades of experience developing these systems to help bring about a new generation of aircraft while maintaining the same emphasis on safety and onboard comfort.

The MicroVCS is the latest in a series of products Honeywell is developing specifically for urban air mobility and electric aircraft. Others include the Compact Fly-by-Wire System, the RDR-84K Radar, actuators, and lightweight inertial navigation systems.

About Honeywell Aerospace: Honeywell Aerospace products and services are found on virtually every commercial, defense and space aircraft. The Aerospace business unit builds aircraft engines, cockpit and cabin electronics, wireless connectivity systems, mechanical components and more. Its hardware and software solutions create more fuel-efficient aircraft, more direct and on-time flights and safer skies and airports.

About Honeywell: Honeywell (NYSE: HON) is a Fortune 100 technology company that delivers industry-specific solutions that include aerospace products and services; control technologies for buildings and industry; and performance materials globally. Our technologies help aircraft, buildings, manufacturing plants, supply chains, and workers become more connected to make our world smarter, safer, and more sustainable.

MicroVCS Cooling for Electric Aircraft

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