Variable volume crossover passage for a split-cycle engine
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United States of America Patent
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Apr 17, 2012
Grant Date -
Oct 21, 2010
app pub date -
Apr 14, 2010
filing date -
Apr 17, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An engine includes a crankshaft rotatable about a crankshaft axis. A compression piston is slidably received within a compression cylinder and operatively connected to the crankshaft such that the compression piston is operable to reciprocate through an intake stroke and a compression stroke during a single rotation of the crankshaft. An expansion (power) piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such that the expansion piston is operable to reciprocate through an expansion stroke and an exhaust stroke during a single rotation of the crankshaft. A variable volume crossover passage interconnects the compression and expansion cylinders, and includes a variable volume housing to controllably regulate the air flow from the compression cylinder to the expansion cylinder.
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