Rotary engine with rotor land
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United States of America Patent
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Feb 20, 2018
Grant Date -
Jun 18, 2015
app pub date -
Dec 17, 2013
filing date -
Dec 17, 2013
priority date (Note) -
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Abstract
A rotary internal combustion engine with a rotor body made at least in major part of a first material, including at least one land protruding axially from each of its end faces and defining a contact surface extending at a fixed position with respect to the end faces. The contact surface frictionally engages a portion of the inner surface of the internal cavity of the engine, and at least the outer surface of the land includes a second material. The second material has a greater wear resistance than that of the first material with respect to frictional engagement with the portion of the inner surface of the internal cavity contacting the land. A method of axially positioning a rotor of a rotary engine within an internal cavity of an outer body of the engine are also discussed.
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