Importance

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Abstract

A torque transmitting key for electrical submersible pumps (ESP). An ESP system includes a rotatable shaft and a sleeve coupled to the rotatable shaft by an elongate key, the elongate key made of a carbide composite material, the carbide composite material including a carbide selected from the group consisting of tungsten carbide, titanium carbide and silicon carbide, and a composite material selected from the group consisting of cobalt, nickel and a combination of cobalt and nickel. An ESP system includes an elongate torque transmitting key, the elongate key coupling an ESP rotatable component to an ESP shaft such that the ESP rotatable component rotates with the ESP shaft, the elongate torque transmitting key seated in a keyway of the ESP rotatable component and a keyway of the ESP shaft, and the elongate torque transmitting key having a load optimizing cross-sectional shape.

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First Claim