Intake and exhaust system of internal combustion engine

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United States of America Patent

PATENT NO 9995249
SERIAL NO

15710037

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An intake and exhaust system of an internal combustion engine includes an exhaust gas recirculation passage (35) communicates a part of an exhaust passage (7) downstream of a turbine with a part of an intake passage (6) upstream of a compressor and a cooling circuit (51), the cooling circuit including a first evaporator (52) provided in a part of the exhaust passage downstream of the turbine and upstream of a junction with the exhaust gas recirculation passage and storing a medium, an ejector pump (54) using vapor from the first evaporator as a driving flow, a condenser (57) for cooling and condensing the vapor ejected from the ejector pump and returning the condensed medium to the first evaporator, and a second evaporator (55) provided in the exhaust gas recirculation passage to cool the exhaust gas passing through the exhaust gas recirculation passage by evaporating a medium stored therein with a negative pressure created by the ejector pump.

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Patent Owner(s)

  • HONDA MOTOR CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takahashi, Nobu Wako, JP 5 53

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