Flow control device for exhaust gas recycling system

Details Flow control device for exhaust gas recycling system Flow control device for exhaust gas recycling system

1979-11-30

1982-04-06

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2506

Patent

active

043230458

ABSTRACT:
Several embodiments of exhaust gas recirculation systems for internal combustion engines. In each embodiment an arrangement is provided for cooling at least a portion of the recirculated exhaust gases during at least some running conditions prior to reintroduction into the combustion chamber. In one embodiment, the cooled exhaust gases are mixed with uncooled exhaust gases to provide the desired temperature of exhaust gas recirculation. In another embodiment, the exhaust gases are cooled by a fan that is operated in response to the engine running condition. In addition, a device is incorporated for controlling the cooling of the exhaust gases in response to engine temperature.

REFERENCES:
patent: 1371397 (1921-03-01), Ricardo
patent: 2419747 (1947-04-01), Wassman
patent: 2421406 (1947-06-01), Bicknell
patent: 2645216 (1953-07-01), Campbell
patent: 2851021 (1958-09-01), Covone
patent: 2977940 (1961-04-01), Theriault
patent: 3512509 (1970-05-01), Daigh
patent: 3915133 (1975-10-01), Nohira
patent: 4071003 (1978-01-01), Aono
patent: 4147141 (1979-04-01), Nagano
patent: 4191147 (1980-03-01), Yuuki

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