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US 10,946,317 B2Granted
Fuel filter having high resistance to icing
AssigneeSafran Aircraft Engines
InventorsBellal Waissi, Thomas Chauveau, Philippe Vertenoeuil, José Rodrigues
Life of this patent
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Abstract
A cartridge for a filtering device, includes a cylindrically arranged pleated cloth, the pleats being parallel to the generatrix of the cylinder, wherein the cylinder includes a non-pleated region which is to be placed across from a fuel inlet into the filtering device.
Claims4
A system comprising a cartridge and a fuel filtering device, the fuel filtering device including a fuel inlet, the cartridge comprising a cylindrically arranged pleated cloth, the pleats being parallel to a generatrix of a cylinder defined by the cylindrically arranged pleated cloth, wherein:
- the cylinder comprises a non-pleated zone, the non-pleated zone being positioned facing the fuel inlet, and
- the cylinder comprises a zone with a first pleat density opposite to the non-pleated zone, intermediate zones between the non-pleated zone and the zone with the first pleat density having a second pleat density that is smaller than said first pleat density, said second pleat density being a density comprised between the first pleat density and a zero pleat density.
Dependencies are inferred from the claim text.