Method and device for converting thermal energy into...

F - Mech Eng,Light,Heat,Weapons – 02 – G

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F02G 5/02 (2006.01) F01K 23/10 (2006.01) F01K 25/02 (2006.01) F01K 25/08 (2006.01) F01K 27/00 (2006.01)

Patent

CA 2652928

The invention relates to a method for converting thermal energy into mechanical work. Said method comprises the following steps which are performed as a cycle: A liquid work medium is fed from a supply reservoir (1) to a work container (3); the work medium in the work container (3) is heated by a first heat exchanger (5); a sub-amount of the work medium flows from the work container (3) to a pneumatic-hydraulic-converter (8), a hydraulic medium from the pneumatic-hydraulic-converter (8) is compressed in a work machine (9) in order to convert the hydraulic work of the hydraulic medium into mechanical work; the work medium from the pneumatic-hydraulic-converter (8) is fed back into the supply reservoir (1) and the hydraulic medium is returned into the pneumatic-hydraulic-converter (8). The invention also relates to a device for carrying out said method.

L'invention concerne un procédé pour convertir de l'énergie thermique en énergie mécanique, ce procédé comprenant plusieurs étapes qui constituent un cycle. Ces étapes consistent : à faire circuler un fluide de travail, d'un réservoir (1) à un contenant à fluide de travail (3); à chauffer ce fluide de travail dans ledit contenant à fluide de travail (3) au moyen d'un premier échangeur de chaleur (5); à permettre l'écoulement d'une partie du fluide de travail, du contenant à fluide de travail (3) au convertisseur pneumatique-hydraulique (8), un fluide hydraulique du convertisseur pneumatique-hydraulique (8) étant comprimé par une machine de travail (9), pour convertir l'énergie hydraulique de ce fluide hydraulique en énergie mécanique; à refaire circuler le fluide de travail, du convertisseur pneumatique-hydraulique (8) audit réservoir (1), le fluide hydraulique étant réintroduit dans le convertisseur pneumatique-hydraulique (8). Cette invention concerne en outre un dispositif servant à la mise en oeuvre de ce procédé.

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