Actuator apparatus having internal passageways

摘要

Actuator apparatus having internal passageways are disclosed. An example apparatus includes an actuator casing having a load apparatus to define an upper pressure chamber and a lower pressure chamber. The upper pressure chamber is opposite the lower pressure chamber. A yoke is to couple to the actuator casing to a fluid valve. An internal passageway is formed in a body of the yoke to fluidly couple a control fluid to at least one of the first or the lower pressure chamber. A fluid connector assembly is positioned in the actuator casing to fluidly couple the internal passageway to the upper pressure chamber. The load apparatus is between the internal passageway of the yoke and the upper pressure chamber.

主权项

1. An apparatus, comprising:
an actuator casing having a load apparatus to define an upper pressure chamber and a lower pressure chamber, the upper pressure chamber being opposite the lower pressure chamber; a yoke to couple the actuator casing and a fluid valve, the yoke defining a body having an internal passageway to fluidly couple a control fluid to at least one of the upper pressure chamber or the lower pressure chamber; a fluid connector assembly positioned in the actuator casing to fluidly couple the internal passageway to at least one of the upper pressure chamber or the lower pressure chamber, the load apparatus being positioned between the internal passageway of the yoke and the upper pressure chamber; and a positioner mountable to the yoke, wherein the positioner is to supply the control fluid to the internal passageway, and wherein an outlet of the positioner is coupled to an inlet of the internal passageway when the positioner is mounted to the yoke.