Patent ID: 7692339
Filing Date: 2010-04-06
Classification: F01B,F02G,F25B,H02K

Abstract:
1. A Stirling cycle machine comprising of a cylinder, a piston which is reciprocable in said cylinder and an electromagnetic mechanism comprised of a stator and a mover, wherein said mover is comprised of an inner yoke made of magnetic flux conducting material and a permanent magnet provided outside said inner yoke, said mover of said electromagnetic mechanism and said piston being disposed adjacently to each other in an axial direction and in an axial alignment, said mover having an outer diameter which is equal to or smaller than the outer diameter of said piston, said stator having an inner diameter, which is equal to or greater than the inner diameter of said cylinder, and said stator of said electromagnetic mechanism and said cylinder being disposed in an axial alignment.