Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate
2005-09-20
2005-09-20
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
C060S605200
Reexamination Certificate
active
06945240
ABSTRACT:
In an exhaust gas recirculation apparatus for an internal combustion engine mounted with a turbocharger in which a turbine is disposed in an exhaust passage and a compressor is disposed in an intake passage, when the exhaust gas recirculation is carried out, a port formed at the intake passage on the downstream side of the compressor is opened. As a result, since an intake air on the downstream side of the compressor is released to the atmosphere and a negative pressure in the exhaust passage is lowered, a differential pressure between an exhaust pressure in the intake passage and the negative pressure in the intake passage is increased, to improve an exhaust gas recirculation rate, so that a NOx discharge amount can be reduced.
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Kaise Nozomi
Kobayashi Nobuhiro
Kobayashi Shigemi
Matsumoto Takaaki
Castro Arnold
Gimie Mahmoud
Laubscher, Jr. Lawrence E.
Nissan Diesel Motor Co., Ltd.
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