Injector EGR valve and system

Details Injector EGR valve and system Injector EGR valve and system

1998-06-30

2000-08-01

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

12356818, 12356821, F02M 2507

Patent

active

060951222

ABSTRACT:
An internal combustion engine has multiple combustion chambers each having intake and exhaust valves for controlling intake and exhaust flows into and from the combustion chamber, an induction system to the intake valves, an exhaust system from the exhaust valves, and an EGR system for controlling recirculation of exhaust flow to the combustion chambers. The EGR system has an individual electric-actuated EGR valve associated with each respective combustion chamber for controlling the exhaust recirculation to the respective combustion chamber independent of the exhaust gas recirculated to any other combustion chamber. The EGR valves are mounted in an exhaust gas recirculation rail assembly that is assembled to the engine. Each EGR valve is operated according to mapped EGR requirements for the respective combustion chamber.

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patent: 4463740 (1984-08-01), Sagisaka et al.
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patent: 5494255 (1996-02-01), Pearson et al.
patent: 5669364 (1997-09-01), Everingham
patent: 5746189 (1998-05-01), Kuzuya et al.
patent: 5746190 (1998-05-01), Honda
patent: 5749563 (1998-05-01), Hosaka et al.

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