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Thermo-acoustic converter and electrical energy generator comprising a thermo-acoustic converter

An acoustic converter and converter technology, applied in solar thermal power generation, machines/engines, indirect heat exchangers, etc., can solve the problems of complex industrial maintenance and reduced reliability, and achieve the effect of reliable operation and elimination of leakage.

Inactive Publication Date: 2011-07-06
SOC TECH POUR LENERGIE ATOMIQUE TECHNICATOME
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The repeated use of these structures results in a severe loss of reliability and complicates industrial maintenance

Method used

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  • Thermo-acoustic converter and electrical energy generator comprising a thermo-acoustic converter
  • Thermo-acoustic converter and electrical energy generator comprising a thermo-acoustic converter
  • Thermo-acoustic converter and electrical energy generator comprising a thermo-acoustic converter

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Embodiment Construction

[0059]The electrical generator according to the present invention comprises a thermoacoustic transducer CTA that generates sound waves from heat and a magnetohydrodynamic transducer CMHD that generates electricity from sound waves generated by the thermoacoustic transducer (cf. figure 1 ).

[0060] The thermoacoustic transducer includes a heating source (see Figure 2A , 2B and 3) and cooling source (refer to Figure 5 and 6A -6B). Heat sources include:

[0061] - a monolithic metal part consisting of a cylindrical wall 1 in which the heating tube 2 is embedded and a transverse wall 7 which divides the cylindrical wall 1 into a first part 1a of the cylindrical wall and a second part of the cylindrical wall 1b;

[0062] - window 3, and;

[0063] - Thermal protection layer 4, in which is inserted a group 5 of heat conducting elements capable of generating sound waves in the thermodynamic fluid under the effect of a pressure gradient.

[0064] The system formed by the tran...

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Abstract

The present invention relates to a thermo-acoustic converter comprising a hot source (1, 2, 7, 3) and a cold source, in which the hot source (1, 2, 7, 3) comprises a one piece metal component consisting of a cylindrical wall (1), heat pipes (2) incorporated into the cylindrical wall (1) and a transverse wall (7) which divides the cylindrical wall into a first cylindrical-wall part (1a) and a second cylindrical wall part (1b), the transverse wall (7), the first cylindrical-wall part and an additional wall (3) located facing the transverse wall (7) with respect to the first cylindrical-wall part (1a) delimiting a volume containing a heat source. The thermo-acoustic converter provided by the present invention applies to the production of electricity (electricity generators, car motors, power stations, etc.).

Description

technical field [0001] The invention relates to a thermoacoustic transducer. The invention also relates to a generator comprising a thermoacoustic converter according to the invention and a power plant comprising a generator according to the invention. Background technique [0002] In general, generators according to the invention can be used in numerous applications (automotive engines, on-board electrical generators, power stations, etc.). [0003] The power plant of the invention is used, for example, to equip isolated sites and / or inhospitable areas. [0004] Thermoacoustic conversion devices that generate sound waves, connected to benches that convert the mechanical energy of the sound waves into electrical energy, are currently the object of work in quite a few research laboratories. Currently known devices use, in addition to the known phenomenon of thermoacoustic conversion, transducers integrating some moving elements or vibrating metal foils, or even a combinatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02G1/04F28D15/02H02K44/08F01P3/22
CPCF28D15/0275Y02E10/46F02G1/04H02K44/08Y02E10/41F02G2243/54H02K7/1884F24J2/07F01P2003/2278F24S20/20
Inventor 让-埃德蒙·谢
Owner SOC TECH POUR LENERGIE ATOMIQUE TECHNICATOME
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