Patent ID: 8539764
Filing Date: 2013-09-24
Classification: F02G

Abstract:
1. A system comprising: a first cylinder having an internal hot working space and a second cylinder having an internal cold working space, the first cylinder and the second cylinder are axially aligned; the first cylinder further comprising: a first piston located inside the first cylinder and reciprocates along a length of the first cylinder; the second cylinder further comprising: a regenerator located between the first cylinder and the second cylinder separating the first cylinder hot working space and the second cylinder cold working space; a working gas which is transferred between the hot working space and the cold working space in accordance with the reciprocating movement of the first piston and the second piston; a first connecting rod connecting the first piston to a first crankshaft, the first crankshaft having a first timing pulley located thereon; a second connecting rod connecting the second piston to a second crank shaft, the second crankshaft having a second timing pulley located thereon, wherein the first crankshaft and the second crankshaft are respectively located at the ends of the first cylinder and second cylinder not separated by the regenerator; a timing belt connecting the first timing pulley to the second timing pulley; a first idler pulley and a second idler pulley in contact with the timing belt at a position between the first timing pulley and the second timing pulley, wherein the first pulley and the second pulley are mounted on a linear slide, the position of the first pulley and second pulley are slidably adjusted perpendicularly to one side or the other side of a centerline drawn between the end of the first crankshaft and the end of the second crankshaft thereby altering the length of the timing belt that is above or below the centerline to facilitate adjustment of axial rotation of the first crankshaft and rotation of the second crankshaft to adjust a timing relationship between rotation of the first crankshaft and the second crankshaft and thereby control the speed with which the first piston and second piston reciprocate, wherein the respective position of the first idler pulley and second idler pulley are slidably adjusted during reciprocation of the first piston and the second piston.