Ford Motor Company has filed a patent for a gasoline particulate filter system, Ford Authority has learned.
The patent was filed on May 7th, 2019, published on March 8th, 2022, and assigned serial number 11268413.
The Ford Authority Take
Last month, Ford Authority reported that over 13,000 new Ford vehicles in Australia have been fitted with gasoline particulate filters since 2018, including the current-gen Ford Escape, Puma, Focus/Focus ST, and Fiesta/Fiesta ST. For some time, the filters couldn’t be used in that country because the fuel there contains a high level of sulfur content. To rectify the problem, Australian officials mandated premium unleaded fuel containing 50 parts per million of sulfur, which is far less than the 150 PPM present in regular Aussie unleaded. Following that change, automakers were able to start using particulate filters, and several have. Ford officially recommends that owners use 95-octane fuel in these vehicles, as 91-octane contains far too much sulfur, which can damage the filters over time.
Petrol particulate filters work essentially the same way as diesel particular filters, which have been around for a number of years now. The filters are placed in a vehicle’s exhaust system to trap pollutants and keep them from exiting the vehicle and harming the environment.
This new Ford patent depicts a filter system for a gasoline particulate filter that deposits a layer of ash on the filter to increase the efficiency of the system by reducing the number of pores clogged up by soot. Conventional methods can lead to a drop in pressure that can increase exhaust backpressure and subsequently decrease fuel efficiency and performance, problems that this new Ford patent aims to rectify.
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