F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 31/00 (2006.01) F02D 11/10 (2006.01) F02D 19/02 (2006.01) F02D 41/00 (2006.01) F02D 41/14 (2006.01) F02M 21/04 (2006.01)
Patent
CA 2305984
A method for controlling the air-fuel ratio in a natural gas engine having an air-fuel mixing device, comprises: determining a speed set-point and an actual engine speed, determining a fuel command based on said speed set-point and said engine speed and controlling the fuel flow to the air-fuel mixing device in response to said fuel command. An air-fuel control system for natural gas engines, comprises: means to determine a speed set- point and an actual engine speed, a governor control unit for generating a fuel command based on said speed set-point and said actual engine speed and a fuel flow regulator coupled to said governor control unit for regulating the flow of fuel to an air-fuel mixing device in response to said fuel command.
Keast Leslie Allan
Malm Howard Leigh
Gowling Lafleur Henderson Llp
Rem Technology Inc.
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