Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1978-02-06
1980-01-01
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
60276, 261 42, F02M 1100
Patent
active
041811089
ABSTRACT:
The system is comprised of an electromagnetically operated valve for controlling the supply of air to the main and idle ducts of each carburetor stage to vary the fuel-air mixture in response to a signal from an oxygen concentration probe disposed upstream of the catalytic converter in the exhaust system of an internal combustion engine. The device is mounted on the vehicle structure rather than the engine and is comprised of a rotary cam disposed in operative relation with the plurality of metering valves to control the air supply from a single conduit leading from the air filter to a plurality of conduits leading to the various carburetor ducts.
REFERENCES:
patent: 2909031 (1959-10-01), Kiekhaefer
patent: 3906910 (1975-09-01), Szlaga, Jr.
patent: 4072137 (1978-02-01), Hattori et al.
patent: 4084563 (1978-04-01), Hattori et al.
patent: 4085176 (1978-04-01), Minami
patent: 4094273 (1978-06-01), Hattori et al.
patent: 4103657 (1978-08-01), Minami
patent: 4114372 (1978-09-01), Ikeura
patent: 4114578 (1978-09-01), Hattori et al.
Edoardo Weber - Fabbrica Italiana Carburatori S.p.A.
Myhre Charles J.
Nelli R. A.
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