Exhaust gas recirculation control system
Patent
·
OSTI ID:6062371
A multiple spark plug ignition internal combustion engine is equipped with an EGR control system which consists of an EGR control valve disposed in an EGR passageway connecting an exhaust gas passageway and an intake passageway. The EGR control system is arranged to control EGR rate in accordance with venturi vacuum and in accordance with the exhaust gas pressure in the EGR passageway upstream of the EGR control valve. The EGR control system comprises a device for decreasing the EGR rate under a suburban area cruising condition of a motor vehicle on which the engine is mounted.
- Assignee:
- Nissan Motor Co., Ltd.
- Patent Number(s):
- US 4165722
- OSTI ID:
- 6062371
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330101 -- Internal Combustion Engines-- Spark-Ignition
330700* -- Advanced Propulsion Systems-- Emission Control
AUTOMOBILES
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
EXHAUST RECIRCULATION SYSTEMS
EXHAUST SYSTEMS
FLOW REGULATORS
INTERNAL COMBUSTION ENGINES
POLLUTION CONTROL EQUIPMENT
SPARK IGNITION ENGINES
VALVES
VEHICLES
330101 -- Internal Combustion Engines-- Spark-Ignition
330700* -- Advanced Propulsion Systems-- Emission Control
AUTOMOBILES
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
EXHAUST RECIRCULATION SYSTEMS
EXHAUST SYSTEMS
FLOW REGULATORS
INTERNAL COMBUSTION ENGINES
POLLUTION CONTROL EQUIPMENT
SPARK IGNITION ENGINES
VALVES
VEHICLES