Abstract

The present invention provides a fuel heating system for preheating a vegetable oil based fuel for use in a diesel engine, said fuel heating system comprising a fuel tank (l), a heating device (3), a heat carrier arrangement (4, 6) comprising a liquid heat carrier, and a heat exchanger (6) arranged inside said fuel tank (1), wherein said heating device (3) is arranged to use (5) vegetable oil based fuel from said fuel tank (1) for heating the heat carrier, said heat carrier arrangement allows transport of hot heat carrier from said heating device (3) to said heat exchanger (6) and transport of cold heat carrier from said heat exchanger (6) back to said' heating device (3), and said heat exchanger is arranged to allow heat transfer from said heat carrier to said vegetable oil based' fuel in said fuel tank.

IPC Classes  ?

• F02M 31/16 - Other apparatus for heating fuel
• F02M 31/10 - Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants
• F02N 19/04 - Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines

Abstract

The present invention provides a fuel heating system for preheating a vegetable oil based fuel for use in a diesel engine, said fuel heating system comprising a fuel tank (1), a heating device (3), a heat carrier arrangement (4,6) comprising a liquid heat carrier, and a heat exchanger (6) arranged inside said fuel tank, wherein said heating device is arranged to use vegetable oil based fuel from said fuel tank for heating the heat carrier, said heat carrier arrangement allows transport of hot heat carrier from said heating device to said heat exchanger and transport of cold heat carrier from said heat exchanger back to said heating device, and said heat exchanger is arranged to allow heat transfer from said heat carrier to said vegetable oil based fuel in said fuel tank.

IPC Classes  ?

• F02M 31/16 - Other apparatus for heating fuel
• F02M 31/10 - Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants
• F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
• F02N 19/04 - Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines

Abstract

The present invention relates to a fuel for a diesel engine, comprising more than 60 % by weight of a vegetable oil and 1-5 % by weight of a vegetable based organic solvent comprising a terpene compound, a method for producing a vegetable based fuel, use of a vegetable based fuel in a diesel engine, a method for operating a diesel engine using a vegetable based fuel, and a fuel system for providing a diesel engine with a vegetable based fuel.

IPC Classes  ?

• C10L 1/02 - Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
• C10L 1/18 - Organic compounds containing oxygen
• C10L 10/02 - Use of additives to fuels or fires for particular purposes for reducing smoke development