September 29, 2020

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Cummins Inc. and Oak Ridge National Laboratory Collaboration Enables Capability to Produce Millions of Face Masks

COOKEVILLE, Tenn.–(BUSINESS WIRE)–A collaboration between Cummins Inc. (NYSE: CMI) and the Carbon Fiber Technology Facility (CFTF) at the Department of Energy’s Oak Ridge National Laboratory (ORNL) has resulted in the ability to produce enough filter media to supply more than a million face masks and respirators per day to U.S. healthcare facilities.

As a leading manufacturer of air, fuel and lube filtration products for heavy-duty diesel engines, Cummins began exploring ways to use their filtration production technology to support healthcare providers as they addressed the COVID-19 pandemic.

“Because of our expertise in the automotive filtration industry, we believed we could adapt to supply the filter media used in the face masks worn by healthcare providers, which are also in high demand across the nation,” said Christopher Holm, Director of Filter Media Technology & IP at Cummins.

At the same time, ORNL was searching for ways to scale up production of face masks with equipment used to mass produce precursor material for carbon fiber production at the CFTF.

ORNL’s research team had been working with the inventor of N95 filter media, Dr. Peter Tsai, to develop a novel in-line charging device that could be placed on the precursor production line to electrostatically charge the melt-blown material made of polypropylene or PP. Melt blowing is a nonwoven process that makes microfibers into a fabric by extruding, drawing and scattering a polymer resin with high velocity air and making a randomly deposited sheet of fibrous material applicable for filtration. By electrostatically charging the material with millions of microfibers layered on top of each other, the filter can remove more than 95 percent of submicron particles and viruses like COVID-19.

“We reached our target goal in only a few weeks on pilot scale melt blowing capability at the CFTF and had the capability to produce filter media for 9,000 masks per hour when we connected with Cummins for potential technology transfer and scale up,” said ORNL’s Merlin Theodore, Director of the CFTF. “Cummins was an ideal partner to scale what we had accomplished and helped us produce material that passed all required testing for filter media.”

With a filtration site in Cookeville, Tennessee just a short drive from the CFTF’s Oak Ridge location, Holm said that ORNL was the right fit not only in proximity, but also in research expertise.

“We had the nation’s experts in material science and fiber technology located about an hour from our primary production location,” said Holm. “And, as fate would have it, ORNL was already working with the inventor of N95, Dr. Peter Tsai. Their research has made it possible to be where we are today. We can manufacture material that has passed all the required testing for N95 filter media.”

Cummins and ORNL have a long collaborative history, having partnered to develop a method that repairs a diesel engine cylinder head on heavy-duty engines by additive manufacturing and creating a probe to optimize the engine efficiency among other projects.

The filter media project marks the first time Cummins has collaborated with the CFTF at ORNL.

Just two months ago, Cummins had never produced filter media for face masks and today the company has shipped material to multiple customers across the country for the production of millions of masks.

“We knew melt blowing, but we could not have gotten up-to-speed without the interactions with ORNL and Dr. Tsai,” Holm said. “Their technical guidance helped us become operational in a short amount of time so that we could meet the demand and supply our customers with material during a time of crisis.”

ORNL’s research team designed and manufactured a custom electrostatic charging device for Cummins at the DOE’s Manufacturing Demonstration Facility at ORNL and assisted in the installation of the device on the company’s Cookeville facility production line.

“We’re now looking for opportunities to expand the scope and performance of the materials we’re making, so we can serve even broader needs in the future,” Holm said.

According to CFTF Director Theodore, industry collaborations like this are the reason national lab user facilities exist.

“Our goal is to transfer our technology to industry partners to increase U.S. competitiveness in manufacturing,” she said. “This in turn supplies a critical need for our country, creates job growth and stimulates the economy. We are the catalyst that help industry bring technology to the consumer.”

About Cummins Inc.

Cummins Inc. is a global technology company designing, manufacturing, distributing and servicing a broad portfolio of reliable, clean power solutions; including diesel, natural gas, hybrid, electric and other alternative solutions. Established in 1919 and headquartered in Columbus, Indiana (U.S.), Cummins serves customers in more than 190 countries and territories around the world. More information about the projects discussed in this news release can be found here: https://www.cumminsfiltration.com/respirator-media.

About Oak Ridge National Laboratory

ORNL’s COVID manufacturing efforts are conducted in coordination with the U.S. Department of Health and Human Services and funded in part by the DOE Office of Science through the National Virtual Biotechnology Laboratory, a consortium of DOE national laboratories focused on response to COVID-19, with funding provided by the Coronavirus CARES Act. DOE’s Carbon Fiber Technology Facility at ORNL is supported by the Office Energy Efficiency and Renewable Energy’s Advanced Manufacturing Office and the Vehicle Technologies Office. UT-Battelle manages ORNL for DOE’s Office of Science. The Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of the most pressing challenges of our time. For more information, please visit https://energy.gov/science/. Contact: Jennifer Burke, burkejj@ornl.gov, 865-414-6835.

Contacts

Jon Mills

Cummins Inc.

Phone: 317-658-4540

Email: jon.mills@cummins.com

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