Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David W. Boehm0
James B. Klassen0
Date of Patent
September 6, 2011
Patent Application Number
12368097
Date Filed
February 9, 2009
Patent Primary Examiner
Patent abstract
An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed or rotating outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotational axis. Circumferentially expandable projections from the outer housing and rotor mesh with each other to define variable volume chambers.
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