Improvements in or relating to drawworks

Details Improvements in or relating to drawworks Improvements in or relating to drawworks

B - Operations, Transporting

66

D

B66D 1/12 (2006.01) B66D 1/22 (2006.01) B66D 3/20 (2006.01) B66D 5/02 (2006.01) B66D 5/14 (2006.01)

Patent

CA 2685263

A drawworks (10) comprising a permanent magnet motor (60) mounted inside a drum(40), said permanent magnet motor arranged to drive said drum via a gear system(50), characterised in that said gear system is located at least partially within said drum.

L'invention concerne un treuil de forage (10) comportant un moteur à aimant permanent (60) monté à l'intérieur d'un tambour (40). Le moteur à aimant permanent est disposé pour entraîner le tambour par l'intermédiaire d'un système d'engrenage (50) caractérisé en ce que ce dernier est situé au moins partiellement dans le tambour.

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