Pod-like ship propulsion system with synchronous motor

B - Operations – Transporting – 63 – H

Patent

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Details

B63H 23/24 (2006.01) B63H 5/07 (2006.01) B63H 20/32 (2006.01) H02K 9/08 (2006.01) H02K 9/19 (2006.01) H02K 5/132 (2006.01) H02K 7/14 (2006.01)

Patent

CA 2259193

To improve the propulsion efficiency of a ship propulsion having a housing to be arranged on the bottom of the hull in a gondola-like manner, with a synchronous motor in the housing, at propulsion powers of approximately 10 MW, the rotor of the synchronous motor is designed as a permanent-magnet rotor, and the stator of the synchronous motor is fitted into the housing in a form-fitting manner to be cooled through the housing wall. An additional cooling device in the form of a fan or a spray device may be provided for each winding overhang.

Ce mécanisme de propulsion de navire est constitué d'un boîtier (1) monté en fuseau sous la coque du navire et d'un moteur synchrone (7, 10) situé dans le boîtier (1). Afin d'améliorer l'efficacité de la propulsion à des puissances d'entraînement d'environ 10 MW, le rotor (10) du moteur synchrone est un rotor excité par un aimant permanent et le stator (7) du moteur synchrone est monté par liaison de forme dans le boîtier pour que son refroidissement soit assuré par la paroi du boîtier. Un dispositif supplémentaire de refroidissement sous forme d'un ventilateur (12) ou d'un pulvérisateur (13) peut être associé à chaque tête d'enroulement (8, 9).

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