Lubricating System for a Two-Stroke Engine
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United States of America Patent
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Issued Date -
Oct 27, 2011
app pub date -
Apr 21, 2011
filing date -
Apr 22, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A lubricating system for a two-stroke engine is provided in which oil is more reliably pumped into the two-stroke engine. The oil travels through passages that are integrally cast into the cylinder and/or crankcase. The oil may be injected directly into the crankcase chamber or intake passage. The oil pump may be a rotary pump mounted on the crankcase concentric to the crankshaft. It is also possible to not use an oil pump, and have the oil drawn into the engine by vacuum created in the crankcase.
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