STRATIFIED SCAVENGING TWO-CYCLE ENGINE
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United States of America Patent
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Issued Date -
Sep 20, 2012
app pub date -
Oct 21, 2009
filing date -
Oct 21, 2009
priority date (Note) -
Abandoned
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Abstract
A stratified scavenging two-cycle engine (10) comprising an engine body (11), a carburetor (12) equipped with a pivotable rotary valve (22) for switching between opening and closing of a single intake path, and an insulator (13) having heat insulating performance. The rotary valve (22) of the carburetor (12) is provided with a fuel injecting nozzle opening (26) open downward. Fuel from the nozzle opening (26) is injected in the directions corresponding to a mixed gas path (27) and to that portion of an air path (28) which is upstream in the mixed gas path (27).
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