Internal combustion engine with dual induction system and with E

Details Internal combustion engine with dual induction system and with E Internal combustion engine with dual induction system and with E

1978-11-07

1980-05-06

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

042011655

ABSTRACT:
A spark ignition reciprocatory internal combustion engine with dual induction system and with EGR system is provided in which under engine operating conditions when only a primary throttle valve opens, a fluid charge from a primary induction system will swirl around the cylinder axis, while, under engine operating condition when both the primary and secondary throttle valves open, a fluid charge from a secondary induction system will impede and reduce swirling motion of fluid charge from the primary induction system. With the EGR system, the recirculation of exhaust gas is effected through the primary induction system under the engine operating condition with low and intermediate loads. At high loads, the recirculation of exhaust gas is effected not only through the primary induction system but also through the secondary induction system. For this end the EGR system includes a load responsive valve which will permit admission of exhaust gas into the secondary induction system at a position downstream of the secondary throttle valve in response to loads of the engine.

REFERENCES:
patent: 3294073 (1966-12-01), Bressan
patent: 3766896 (1973-10-01), Buehler et al.
patent: 3786793 (1974-01-01), Bohls
patent: 3908618 (1975-09-01), Tange
patent: 3978834 (1976-09-01), Arnaud
patent: 4020808 (1977-05-01), Yagi et al.
patent: 4030464 (1977-06-01), Yamaguchi et al.
patent: 4047509 (1977-09-01), Arnaud
patent: 4068637 (1978-01-01), Takamiya
patent: 4106471 (1978-08-01), Nakajima et al.
patent: 4137879 (1979-02-01), Kageyama et al.

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