Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-03-30
1977-12-06
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 32EE, 123 4131, 60276, 204195S, F02D 3500, F02D 7510
Patent
active
040611175
ABSTRACT:
In an internal combustion engine having a catalytic converter arranged in the exhaust system, a mixture control system is provided to control the air-to-fuel ratio of the mixture to be produced in the mixture supply system toward a predetermined level which is optimum for enabling the converter to operate to its capacity, wherein the control system includes an exhaust sensor which detects the concentration of a predetermined type of chemical component of the exhaust gases for monitoring the air-to-fuel ratio of the mixture delievered to the engine cylinders and which is located downstream of the branch portions of the exhaust manifold and upstream of the catalytic converter. The exhaust sensor may be provided with cooling means to be in play when the engine is operating under full-power conditions.
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patent: 3960693 (1976-06-01), Weyl et al.
Felming et al., "Sensor for On-Vehicle Detection of Exhaust Gas Composition" May, 1973, by Society of Automotive Engineers Inc.
Burns Wendell E.
Nissan Motor Co,. Ltd.
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