C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/22 (2006.01) C10L 1/18 (2006.01) C10L 1/224 (2006.01) C10L 1/233 (2006.01) C10L 10/04 (2006.01)
Patent
CA 2294728
A fuel composition of improved lubricity comprises a lubricity-increasing amount of a lubricity aid dissolved in low sulfur diesel fuel and spark ignition fuels. The lubricity aid is an alkanolamide of a fatty acid, an alkanolamide of a modified fatty acid or a mixture thereof. If the lubricity aid is other than an alkanolamide of an aryl- substituted fatty acid, the composition further necessarily comprises a haze-inhibiting amount of a dehazer. The lubricity of such fuels may be enhanced without acceptably increasing the tendency of the fuel to become hazy upon contact with water.
L'invention concerne une composition de carburant à pouvoir lubrifiant amélioré qui comprend une quantité, augmentant le pouvoir lubrifiant, d'un agent lubrifiant dissous dans un carburant diesel à faible teneur en soufre et des carburants à allumage par étincelle. L'agent lubrifiant est un alcanolamide d'un acide gras, un alcanolamide d'un acide gras modifié ou leur mélange. Si l'agent lubrifiant est autre qu'un alcanolamide d'un acide gras à substitution aryle, la composition renferme aussi, nécessairement, une quantité inhibant la brume d'un agent anti-brume. Le pouvoir lubrifiant de ces carburants peut être renforcé sans augmenter, dans des limites acceptables, la tendance du carburant à devenir brumeux au contact de l'eau.
Gentry David R.
Stehlin Mark P.
Weers Jerry J.
Baker Hughes Inc.
Sim & Mcburney
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