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

Turbocharged two-stroke internal combustion engine with four-stroke capability

Patent ·
OSTI ID:6986870

This patent describes, in a turbocharged two-stroke internal combustion engine without crankcase scavenging and having means for operating the exhaust valves in accordance with either two-stroke or four-stroke operation, a means for enabling the intake of combustible gas into cylinders of the engine during four-stroke operation through a port in each cylinder from a combustible gas source. It comprises: a valve mounted on each port responsive to pressure within the cylinder.

Assignee:
Southwest Research Inst., San Antonio, TX
Patent Number(s):
A; US 4907544
Application Number:
PPN: US 7-334449A
OSTI ID:
6986870
Country of Publication:
United States
Language:
English