External combustion engine with rotary piston controlled valve
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United States of America Patent
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Feb 21, 2012
Grant Date -
N/A
app pub date -
Apr 20, 2010
filing date -
Apr 20, 2010
priority date (Note) -
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Abstract
The present invention provides an engine comprising a housing that defines a chamber. The engine also includes a driveshaft positioned within the housing such that the driveshaft extends from the chamber and passes through a wall of the housing such that devices may couple to the engine. The engine includes a rotatable piston positioned within the housing, coupled to the driveshaft, and configured to rotate about the driveshaft axis. A backstop valve couples to the housing such that the backstop valve directs expansive gas toward the rotatable piston. The housing further defines an exhaust outlet configured to exhaust used expansive gas. Finally, the engine includes ignition and timing controls coupled to the housing and configured to combust a fuel.
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