F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
123/135
F02B 35/00 (2006.01) F02B 7/06 (2006.01) F02D 19/06 (2006.01)
Patent
CA 1335343
There is disclosed an electronic dual-fuel injection system for an internal combustion engine having a cylinder block with driving cylinders. The system has an intake manifold which is connected to the driving cylinders to feed fuel mixtures to the cylinders and an air supply assembly including a shuttle-valve body con- nected to the manifold for feeding air into it. A high grade fuel supply assembly, which includes an injector mounted on the output section of the air supply assembly, serves for feeding high grade fuel to the manifold. A similar but low grade fuel assembly, which includes a plurality of injectors each of which is mounted on the manifold, serves for feeding low grade fuel to one of the driving cylinders. The injection system also includes a computer, connected to the two fuel supply assemblies, and temperature sensors connected to the computer and to the cylinder block to measure its temperature. The computer is programmed first to cause actuation of the high grade fuel injector for starting and warming the engine up to a predetermined temperature as measured by the temperature sensor and corresponding to the combustion temperature of the low grade fuel. It is also programmed to cause actuation of the low grade fuel injectors to supply low grade fuel to the cylinders after the com- bustion temperature has been reached and, thereafter, cut-off the high grade fuel supply system.
608188
Langlois Gerard
Robic
LandOfFree
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