Fuel compositions for lessening valve seat recession

Patent · Tue Apr 21 00:00:00 EDT 1987

OSTI ID:6636032

Johnston, T E; Dorer, Jr, C J

A fuel composition is described for internal combustion engines comprising a major amount of a liquid hydrocarbon fuel and a minor, property improving amount sufficient to reduce valve seat recession when the fuel is used in an internal combustion engine of (A) at least one hydrocarbon-soluble alkali or alkaline earth metal containing composition containing at least 8 aliphatic carbon atoms and (B) at least one hydrocarbon-soluble ashless dispersant wherein (A) is the alkali metal or alkaline earth metal salt of a sulfur acid, a carboxylic acid or a phenol.

• Assignee: The Lubrizol Corporation, Wickliffe, OH
• Patent Number(s): US 4659338
• OSTI ID: 6636032
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
023000 -- Petroleum-- Properties & Composition
33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
330800 -- Emission Control-- Alternative Fuels
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
AROMATICS
AUTOMOTIVE FUELS
CARBON
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CONTROL EQUIPMENT
ELEMENTS
ENGINES
EQUIPMENT
FLOW REGULATORS
FUELS
HEAT ENGINES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INORGANIC ACIDS
INTERNAL COMBUSTION ENGINES
NONMETALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHENOL
PHENOLS
SOLUBILITY
SULFURIC ACID
VALVES