F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/143
F02M 67/14 (2006.01) F02D 19/10 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1213484
A B S T R A C T A system for use of gas, like LPG, as secondary fuel in diesel engines is concerned. Normally aspirated and pressure charged engines with exhaust gas driven charging, with End- speed or All-speed governors or with common-rail-fuel injection systems are all included. A signal proportional to the momentary effective fuel consumption controls the gas supply to the engine. A valve in the gas supply is connected to the control lever of the engine governor to allow gas supply only in a load range above approximately 25% and up to a maximum of approximately 40% of the full load total fuel consumption. In the lower load range uncomplete combustion of the gas thus is avoided, in the higher load range both detonation and overload are avoided and the opacity of the exhaust is improved. The consumption of liquid fuel is reduced and the exhaust gas composition is improved. An adjustable stop limits the maximum injectable liquid fuel quantity when the engine is operated in the dual- fuel-mode. The system is designed to be both retrofittable to existing engines and fittable to factory new engines.
434250
Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschap
Ridout & Maybee Llp
LandOfFree
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