Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David W. Boehm0
James B. Klassen0
Date of Patent
March 17, 2009
0Patent Application Number
117423510
Date Filed
April 30, 2007
0Patent Citations Received
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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