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U.S. Department of Energy
Office of Scientific and Technical Information

Internal combustion engine

Patent ·
OSTI ID:6474559
In an opposed piston two cycle engine of the type having a cylinder and a pair of pistons operating in counter movement within said cylinder, there being an exhaust port from said cylinder controlled by one of said pistons and a charging port controlled by the other of said pistons, said pistons having main heads defining between them a combustion chamber, and there being an air inlet port adjacent said charging port and closer to said combustion chamber than said charging port; the improvement comprising an auxiliary air inlet port located near the end of the path of said one piston on the opposite side of said exhaust port from said combustion chamber and controlled by said one piston, and means for supplying compressed air to each of said air inlet ports whereby air is admitted to said cylinder first in a region between the products of combustion from said combustion chamber and said charging port when exhaust flow initiates through said exhaust port and further air is admitted to said cylinder in a region on the opposite side of said exhaust port from said combustion chamber.
Assignee:
IMS; EDB-93-083914
Patent Number(s):
A; US 5213067
Application Number:
PPN: US 7-808865
OSTI ID:
6474559
Country of Publication:
United States
Language:
English