Exhaust gas recirculation system for crankcase scavenged two cycle engine

Patent · Tue Jul 28 04:00:00 EDT 1987

OSTI ID:6395175

Kaufman, V R; Geringer, M S

This patent describes a two cycle crankcase scavenged engine comprising: a cylinder having a piston reciprocable disposed, the piston and cylinder forming a combustion chamber; a crankcase; an exhaust port opening into the combustion chamber; exhaust system means connected to the exhaust port for conducting exhaust gas away from the engine and cooling the exhaust gas; means for forming an air-fuel mixture and introducing the mixture into the crankcase through an intake opening; a transfer passage connecting the crankcase to the combustion chamber; an exhaust recirculation port opening into the crankcase; and exhaust gas recirculation means connected to the exhaust system means for recirculating exhaust gas into the crankcase through the recirculation port.

• Assignee: Tecumseh Products Co., Tecumseh, MI
• Patent Number(s): US 4682571
• OSTI ID: 6395175
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330700* -- Advanced Propulsion Systems-- Emission Control
COMBUSTION CHAMBERS
COOLING
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
EXHAUST GASES
EXHAUST RECIRCULATION SYSTEMS
EXHAUST SYSTEMS
FLUIDS
FUEL-AIR RATIO
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OPERATION
PISTONS
POLLUTION CONTROL EQUIPMENT
WASTES