Fuel System for Improved Fuel Efficiency Utilizing Glycols in a Spark Ignition Engine

a fuel system and spark ignition technology, applied in the direction of fuels, machines/engines, mechanical equipment, etc., can solve the problems of limited use of techniques to increase engine efficiency, severe damage to engines, and modestly alleviating the tendency to knock
US20090107031A1Inactive Publication Date: 2009-04-30THE PROCTER & GAMBLE COMPANY
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
THE PROCTER & GAMBLE COMPANY
Publication Date
2009-04-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

A fuel system for improved fuel efficiency which can be contained in a single fuel source, such as a fuel tank of a vehicle, having a gasoline phase comprises gasoline or gasohol; and an anti-knock phase comprising a glycol anti-knock subagent, water and one or more of a second anti-knock subagent selected from the group of methanol, ethanol and mixtures thereof; such that the anti-knock agent phase is substantially immiscible with the gasoline phase.
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Description

CROSS REFERENCE TO RELATED APPLICATION

[0001] The present application claims priority to provisional U.S. application Ser. No. 61 / 001177, filed Oct. 31, 2007.FIELD OF THE INVENTION

[0002] A fuel system for improved fuel efficiency which can be contained in a single fuel source, such as a fuel tank of a vehicle, having a gasoline phase comprises gasoline or gasohol; and an anti-knock phase comprising an anti-knock agent comprising a glycol anti-knock subagent, water and one or more of a second anti-knock subagent selected from the group of methanol, ethanol and mixtures thereof; such that the anti-knock agent phase is substantially immiscible with the gasoline phase.BACKGROUND OF THE INVENTION

[0003] This invention relates to spark ignition gasoline engines utilizing an antiknock agent which is immiscible with gasoline to improve engine efficiency while being stored in the same containment area / volume or tank of a vehicle.

[0004] It is known that the efficiency of gasoline engines can be inc...

Claims

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