Intake system of internal combustion engine

Details Intake system of internal combustion engine Intake system of internal combustion engine

1983-01-25

1984-05-01

Lazarus, Ronald H.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

123308, 123556, F02M 3100

Patent

active

044454805

ABSTRACT:
An intake system of an internal combustion engine including a power cylinder having an intake valve and a fuel injection nozzle, comprising: a throttle chamber upstream open to the atmosphere; primary and secondary throttle valves provided in parallel with each other in the throttle chamber; primary and secondary air passageways leading from the throttle chamber past the primary and secondary throttle valves, respectively, and conjoined together upstream of the intake valve, the secondary passageway being larger in cross sectional area than the primary air passageway and having a reservoir chamber portion larger in cross sectional area than the remaining portion of the secondary passageway; and air heating means provided in the primary air intake pipe and operative to preheat the air to be passed through the primary air intake pipe.

REFERENCES:
patent: 4086885 (1978-05-01), Noguchi
patent: 4232640 (1980-11-01), Matsumoto
patent: 4253432 (1981-03-01), Nohira
patent: 4271795 (1981-06-01), Nakagawa
patent: 4323041 (1982-04-01), Endo

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