Patent ID: 8936010
Filing Date: 2015-01-20
Classification: F02M,F02N

Abstract:
1. A fuel heater for cold ignition systems in vehicles provided with a reservoir, a fuel supply pump, feeding pipes to supply alcohol to a fuel rail for fuel distribution to intake manifold ducts, the fuel heater comprising: a connector ( 11 , 111 ) housing a set of terminals ( 112 ) to receive electric energy from a battery and controlled by an electronic control unit by a power module with switching function; a heating element ( 17 ); an inner metal rod ( 14 ) to conduct electric current from the terminals ( 112 ) to the heating element ( 17 ); an insulating gasket ( 12 ) of the inner metal rod ( 14 ); a main metal body ( 13 ) for protection of the inner metal rod ( 14 ); and an external metal tube ( 18 ) involving an electric insulator ( 16 ) and the heating element ( 17 ), wherein the fuel heaters ( 1 , 8 ) are positioned axially inside a rail body ( 5 ) of the fuel rail ( 203 ) and at one or both of its ends, and wherein the heating element ( 17 ) of each fuel heater ( 1 , 8 ) presents a fuse effect.