skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: 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):
US 4907544; A
Application Number:
PPN: US 7-334449A
OSTI ID:
6986870
Resource Relation:
Patent File Date: 6 Apr 1989
Country of Publication:
United States
Language:
English