Power plants – Motor operated by expansion and/or contraction of a unit of... – Unit of mass is a gas which is heated or cooled in one of a...
Reexamination Certificate
2008-11-10
2010-11-16
Denion, Thomas E (Department: 3748)
Power plants
Motor operated by expansion and/or contraction of a unit of...
Unit of mass is a gas which is heated or cooled in one of a...
C060S525000, C062S006000
Reexamination Certificate
active
07832209
ABSTRACT:
Miniaturised device, which can operate as an engine or a cooler according to a Stirling thermodynamic cycle, comprising an expansion chamber and a compression chamber, which are interconnected by means of a regenerator enabling the working fluid to flow through from the expansion chamber to the compression chamber, and vice versa, under the effect of the movement of a displacing mechanism, a fraction of the compression chamber being mobile and operating as a piston in order to modify the volume of the said compression chamber, characterized in that it also comprises a complementary chamber which is connected to the compression chamber by means of a complementary connection channel, the said complementary chamber being at an intermediate temperature between the temperature of the compression chamber and the temperature of the expansion chamber, the complementary chamber being separated from the expansion chamber by means of the displacing mechanism.
REFERENCES:
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patent: 5749226 (1998-05-01), Bowman et al.
patent: 5941079 (1999-08-01), Bowman et al.
patent: 6385973 (2002-05-01), Moran
patent: 62-248857 (1987-10-01), None
patent: 97/13956 (1997-04-01), None
Burr & Brown
Commissariat a l''Energie Atomique
Denion Thomas E
Jetton Christopher
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