F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 2/107 (2006.01) E21B 4/02 (2006.01)
Patent
CA 2543554
The inventive stator includes a helical cavity component made from a material chosen to reinforce an elastomer liner deployed thereon. The contouring of the elastomer liner is asymmetrical, such that the elastomer liner is relatively thick on the loaded side of a lobe as compared to its thickness on the unloaded side of the lobe.
Le stator de l'invention comprend un composant à cavité hélicoïdale fabriqué dans une matière choisie pour renforcer une chemise élastomère déployée. Le contour de la chemise élastomère est asymétrique, de sorte que la chemise élastomère est relativement épaisse sur le côté chargé d'une arête par rapport à son épaisseur sur le côté non chargé de l'arête.
Borden Ladner Gervais Llp
Dyna-Drill Technologies Inc.
Smith International Inc.
LandOfFree
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