Heating and cooling machine
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United States of America Patent
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-
Feb 10, 1998
Grant Date -
N/A
app pub date -
Jan 16, 1996
filing date -
Aug 28, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heating and cooling machine, operating according to a regenerative gas cycle process with a working medium, has a pressure-tight housing and a heat source connected inside the housing. Two linearly moveable pistons are positioned inside the housing. The two pistons delimit therebetween a warm working volume and are driveable by a control unit. The first piston together with the housing delimits a hot working volume loaded with heat from the heat source. The second piston together with the housing delimits a cold working volume. Regenerators as well as a warm heat transfer element and a cold heat transfer element are positioned in the housing. The three working volumes communicate with one another through the regenerators and the warm and cold heat transfer elements. A partition for transmitting heat energy generated by the heat source to the hot working volume, has the shape of a radially symmetrical dome and is connected to the housing so as to be heat-insulated relative to the housing.
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