Title:  Surface Passivation and the Methods for the Reduction of Fuel Thermal Degradation Deposits

Issue Date:  December 6, 2011

Applicant:  Afton Chemical Corporation

Abstract:  In a specific embodiment of this invention, deposits and soot formation in a direct injection engine are reduced by passivating the injectors to within 0.1 mm of the injector nozzle. The fuel used with the inventive injectors comprises fuel-soluble additives.

Available at:  Patent No. 8,069,826

Downloadable copy:  [Patent No. 8,069,826 PDF]

U.S. Patent No. 8,069,826