Exhaust gas recycling arrangement with individual cylinder throt

Details Exhaust gas recycling arrangement with individual cylinder throt Exhaust gas recycling arrangement with individual cylinder throt

1998-07-20

2000-04-25

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

12356812, 1235682, F02M 2507

Patent

active

060531541

ABSTRACT:
Selective rich operation of an individual cylinder of an engine is accomplished by returning exhaust gas into an intake duct specific to the individual cylinder and providing an individual throttle flap in the intake duct. The exhaust gas is supplied either from a common exhaust duct or from a specific cylinder exhaust duct for the cylinder having a throttled intake duct.

REFERENCES:
patent: 4142492 (1979-03-01), Kobayashi et al.
patent: 4506633 (1985-03-01), Britsch
patent: 5121734 (1992-06-01), Grieshaber et al.
patent: 5517976 (1996-05-01), Bachle et al.
patent: 5562085 (1996-10-01), Kosuda et al.

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