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The free-piston Stirling cooler (FPSC) is a completely sealed heat transfer system that has only two moving parts (a piston and a displacer), and which can use helium as the working fluid. The piston is typically driven by an oscillating magnetic field that is the source of the power needed to drive the refrigeration cycle.
The Joule-Thomson (JT) cooler was invented by Carl von Linde and William Hampson so it is also called the Linde-Hampson cooler. It is a simple type of cooler which is widely applied as cryocooler or as the (final stage) of coolants. It can easily be miniaturized, but it is also used on a very large scale in the liquefaction of natural gas.
The Stirling engine (or Stirling's air engine as it was known at the time) was invented and patented in 1816. [19] It followed earlier attempts at making an air engine but was probably the first put to practical use when, in 1818, an engine built by Stirling was employed pumping water in a quarry . [ 20 ]
In most coolers gas is compressed and expanded periodically. Well-known coolers such as the Stirling engine coolers and the popular Gifford-McMahon coolers have a displacer that ensures that the cooling (due to expansion) takes place in a different region of the machine than the heating (due to compression). Due to its clever design, the PTR ...
Marlow Industries Incorporated was founded by Raymond Marlow in 1973. [1] It was focused on thermoelectric cooling technology, value-added systems for the aerospace, defense, medical, industrial, automotive, power and defense sectors.
The free-piston Stirling cooler is one such product that was developed jointly and under license to Global Cooling. [1] By 2002, Twinbird released the first ever consumer product utilizing the free-piston Stirling cycle process. [2]
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The Stirling cycle is a thermodynamic cycle that describes the general class of Stirling devices. This includes the original Stirling engine that was invented, developed and patented in 1816 by Robert Stirling with help from his brother, an engineer .