Stirling Thermodynamic cycle rotary thermal machine
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United States of America Patent
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Issued Date -
May 29, 2008
app pub date -
Nov 28, 2007
filing date -
Nov 29, 2006
priority date (Note) -
Abandoned
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Abstract
A Stirling thermodynamic cycle rotary thermal machine includes an eccentric shaft rotatably supported in a stator housing, a plurality of double piston carriers each carrying a plurality of pairs of oppositely arranged pistons, and a rotor having a number of cylinders each accommodating one of the pistons. Hot and cold corridors, separated from one another by a thermally separating wall, are defined around the rotor. Some of the cylinders in the rotor are associated with the hot corridor and the remaining ones with the cold corridor in a heat-exchange relationship therewith. Conduits with regenerators interposed in them connect the hot and cold corridor pistons with one another such that the respective hot corridor cylinder is ahead of the associated cold corridor cylinder by 90.degree. as considered in the direction of rotation of the rotor. A transmission with a transmission ratio of 1:2 is interposed between the eccentric shaft and the rotor so that the eccentric shaft always rotates at twice the speed of rotation of the rotor.
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