Energy harvesting from flow-induced vibrations

Details Energy harvesting from flow-induced vibrations Energy harvesting from flow-induced vibrations

F - Mech Eng,Light,Heat,Weapons

03

G

F03G 7/08 (2006.01) F03B 17/06 (2006.01) H02K 35/00 (2006.01)

Patent

CA 2753413

Electrical energy is produced at a remote site by converting kinetic energy from fluid flow to electrical energy using a downhole harvesting apparatus. The downhole harvesting apparatus includes a vibrating sleeve member that vibrates in response to fluid flow through a tubular housing structure. The vibration of the sleeve is used to generate electrical power. The harvesting apparatus may include features to help maintain constant fluid flow in the tubular structure. The harvesting apparatus can be tuned to different vibration and flow regimes in order to enhance energy conversion efficiency.

De l'énergie électrique est produite au niveau d'un site éloigné par conversion de l'énergie cinétique provenant d'un écoulement de fluide en énergie électrique au moyen d'un appareil de collecte en fond de trou. L'appareil de collecte en fond de trou comporte un élément manchon vibratoire vibrant en réponse à l'écoulement de fluide à travers une structure de boîtier tubulaire. La vibration du manchon est utilisée pour générer du courant électrique. L'appareil de collecte peut comporter des éléments pour aider à maintenir un écoulement de fluide constant dans la structure tubulaire. L'appareil de collecte peut être réglé suivant des régimes de vibration et d'écoulement différents afin d'améliorer l'efficacité de la conversion d'énergie.

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