Linear generator with a swinging piston

Details Linear generator with a swinging piston Linear generator with a swinging piston

H - Electricity

02

K

H02K 7/18 (2006.01) H02K 35/00 (2006.01)

Patent

CA 2469417

An electromechanical energy converter for a gaseous or vaporous medium comprising a stator (1) with two pot-shaped stator members (1a, 1b), each open at one end face and adjoining each other at these end faces, said stator members surrounding a working space (12) and forming a common magnetically permeated air gap (7) in which a coreless armature coil (25) is displaceably arranged. Arranged in the working space (12) is a freely oscillating piston (14) linked to the armature coil (25). Furthermore, at least one source (21a, 21b) for the medium, two reaction chambers (66a, 66b) each assigned to a head (15a, 15b) of the piston (14) and control means (17a, 19a, 22a, 23a; 17b, 19b, 22b, 23b) assigned to the reaction chambers (66a, 66b) for self-control of the piston oscillations are provided, by means of which the reaction chambers (66a, 66b) may be opened to the source (21a, 21b) during the piston oscillations for accepting medium under pressure, and to the working chamber (12) for releasing expanded medium (Fig. 11).

L'invention concerne un convertisseur d'énergie électromécanique, pour un fluide sous forme de gaz ou de vapeur, comprenant un stator (1) qui présente deux éléments de stator (1a, 1b) cupuliformes, ouverts respectivement en direction d'une face et adjacents à cette dernière. Ces éléments de stator entourent une chambre de travail (12) et forment un entrefer (7) commun, parcouru par un flux magnétique. Une bobine d'induit (25) sans noyau est montée de manière à pouvoir coulisser dans ledit entrefer. Un piston (14) relié à la bobine d'induit (25), monté de manière à pouvoir osciller librement, est placé dans la chambre de travail (12). Ce convertisseur comprend en outre au moins une source (21a, 21b) pour le fluide, deux chambres de réaction (66a, 66b) associées aux fonds (15a, 15b) du piston (14) ainsi que des moyens de commande (17a, 19a, 22a, 23a; 17b, 19b, 22b, 23b) servant à la commande automatique des oscillations du piston, associés auxdites chambres de réaction (66a, 66b). Ces moyens de commande permettent d'ouvrir les chambres de réaction (66a, 66b) en direction de la source (21a, 21b), pendant les oscillations du piston, pour recevoir le fluide sous pression et en direction de la chambre de travail (12) pour distribuer le fluide expansé.

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