F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/60
F02M 7/00 (2006.01) F02M 69/22 (2006.01) F02M 69/26 (2006.01) F02M 69/38 (2006.01) F02M 69/44 (2006.01)
Patent
CA 1091521
ABSTRACT OF THE DISCLOSURE A fuel supply apparatus for internal combustion engines of the type having an air-fuel ratio control device which detects the quantity of intake air and controls the quantity of fuel to be fed to the intake conduit and mixed with the intake air in proportion to the detected quantity of intake air so as to maintain the air-fuel ratio at a constant value independently of operating conditions of the engine. In order to correct the air-fuel ratio only during acceleration and deceleration of the engine, the fuel supply apparatus of the above type further including a variable volume chamber defined by a cylinder and a piston slidably disposed within the cylinder and interlocked with the throttle valve for producing within the variable volume chamber pressure varied in response to the movement of the throttle valve. The ratio of the quantity of fuel to be fed to the intake conduit to the quantity of intake air is varied in response to the level of pressure produced within the variable volume chamber so as to correct the air-fuel ratio to optimum value corresponding to the degree of acceleration and deceleration of the engine.
307401
Ando Tsuneo
Minoura Mikio
Motosugi Katsuhiko
Sekiya Setsuro
Sumiyoshi Masaharu
Aisan Industry Co. Ltd.
Fetherstonhaugh & Co.
Toyota Jidosha Kabushiki Kaisha
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