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High Temperature Diesel Fuel Test Apparatus and Method

Abstract: 

Tortuous passageways are provided in a substrate component that is retained within a holding chamber. Fuels and fuel mixtures to be comparatively tested are introduced into the holding chamber and into the tortuous passageways of the substrate component. The substrate component is controllably maintained at an elevated temperature during a specified number of defined test cycles. The substrate component is then removed and its after-test weight compared with an initial weight before the test. The tortuous passageways of the substrate component provide increased surface area subject to deposit formation and extended residence time for fuel to remain in contact with the substrate surface, thereby greatly enhancing the measured difference between tested fuels and fuel mixtures.

Patent Number: 
6,571,611
Date Of Issue: 
06/03/2003
Inventors: 

Paul Lacey;Jose De La Cruz;Eliazar H. Saucedo;Jack R. Compton