To Disinfect a Police Car in a Pandemic, Software Cranks Up the Heat 2020 06 16
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At that temperature, the study concluded, the protein that is a crucial component of the viruss structure unravels. Of all the materials we tested, we were never able to recover infectious viruses for any, he said.Bill Gubing, Fords product line manager for S.U.V.s and passenger vehicles, said the automaker heard of the problem of decontaminating police vehicles in March as the coronavirus began spreading rapidly across the country.Our engineers thought about how an autoclave is used to sterilize medical instruments, Mr. Gubing said, referring to the heated containers used at high temperatures and pressures. The engineers envisioned a way to do something like that with a vehicle, he said, because we have a perfect heat source right there, the engine.The company developed an update for the vehicles engine-control software that creates a sanitation mode that can be activated by pressing a series of buttons on the steering wheel. The software checks whether there is enough gasoline to keep the engine running for the 80-minute process, and prompts officers to ensure that no one is in the vehicle and no sensitive electronics remain inside.With the doors and windows closed, the software heats the interior to 133 degrees. After 15 minutes at that temperature, the vehicles air-conditioning comes on to cool off the interior.Mr. Gubing said the process should not damage interior parts. Metal would be unaffected by 120-degree heat, he said, and plastics typically melt at 212 degrees or higher.
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