Patent ID: 7677039
Filing Date: 2010-03-16
Classification: F02G

Abstract:
1. A stirling engine comprising: (a) at least two fluid chambers; (b) a rotary displacer in each of the at least two fluid chambers; (c) a movable seal separating the at least two fluid chambers; and (b) each displacer includes a motion-converting feature adapted to convert motion of the movable seal to rotary motion of the displacer, the motion-converting feature comprising at least one guide pin and at least one groove pin, wherein any one of the: (i) at least one guide pin communicates with a feature of the movable seal; (ii) at least one groove pin is attached to a housing of a chamber; (iii) at least one guide pin is movable within a groove of the at least one groove pin; (vi) at least one guide pin is capable of motivating a displacer; (v) at least one guide pin and the at least one groove pin comprise a wear-resistant material; or (vi) any combination of any two or more of any of the preceding.