Exhaust gas recirculation system for internal combustion engines

Patent · Tue Oct 07 00:00:00 EDT 1980

OSTI ID:6575337

Ina, T; Kawai, H; Kobashi, K; Kohama, T; Matsui, T; Nishimatsu, A; Nohira, H

In an exhaust gas recirculation system for an internal combustion engine, the flow quantity of exhaust gases recirculated from an exhaust pipe into an induction pipe through a recirculation pipe is controlled in relation to exhaust pressure in the recirculation pipe in accordance with pneumatic pressure defined by a value calculated in a digital computer taking account of negative pressure in the induction pipe and rotational speed of the engine.

• Assignee: Nippon Soken Inc (Japan); Toyota Jidosha Kogyo K K (Japan)
• Patent Number(s): US 4226222
• OSTI ID: 6575337
• Resource Relation: Patent Priority Date: Priority date 14 Apr 1978, Japan
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
EXHAUST RECIRCULATION SYSTEMS
DESIGN
INTERNAL COMBUSTION ENGINES
CONTROL SYSTEMS
PIPES
PRESSURE DEPENDENCE
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
HEAT ENGINES
POLLUTION CONTROL EQUIPMENT
330700* - Advanced Propulsion Systems- Emission Control
330100 - Internal Combustion Engines