| 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. |