Patent ID: 8151780
Filing Date: 2012-04-10
Classification: F02D,Y02T

Abstract:
1. A method for controlling a dual-fuel engine that has an evaporated gas providing device for providing an evaporated gas into the engine and is operable with non-hydrocarbon fuel or hydrocarbon fuel, alternatively, the method comprising: operating said engine with one of the fuels based on a driver's request; in response to a determination of a cold engine operation, operating said engine with non-hydrocarbon fuel for a specified period irrespective of a driver's request; determining that an evaporated fuel is to be provided into said engine; and if it is determined that the evaporated fuel is to be provided into said engine when the engine is operating with non-hydrocarbon fuel due to the determination of the cold engine conditions, then switching to operation with hydrocarbon fuel and thereafter providing evaporated fuel into the engine.