Invention Grant
US08235146B2 Actuators, actuatable joints, and methods of directional drilling 有权
执行器,可启动接头和定向钻孔方法

Actuators, actuatable joints, and methods of directional drilling
Abstract:
The present invention recites a method and apparatus, wherein said methods and apparatus comprises an actuator comprising a first plate, a pocket extending through the first plate, the pocket in fluid communication with a pressurized fluid source and a second plate coupled to a component that is to be actuated, wherein the first plate, the second plate, and the pocket are dimensioned such that when a pressurized fluid is discharged through the pocket, the velocity of the fluid through a gap between the first plate and the second plate creates a pressure drop sufficient to pull the second plate toward the first plate.
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