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US 8,960,224 B2Granted
Valve position translator
AssigneeCameron International Corporation
InventorsWilliam T. Case, Robert H. Wolf
Life of this patent
Estimating the term…
Abstract
Apparatus for determining whether a valve is fully opened or closed. In one embodiment a valve position translator includes a cam tube and a rod. The cam tube has a cylindrical wall. A first slot in the wall is disposed along a radial arc of the tube. A second slot in the wall extends from an end of the first slot at an angle acute to the first slot. The rod extends through the wall, and rotates the cam tube while moving linearly along the cam tube in the second slot and while moving in an arc in the first slot.
Claims12
A valve position translator, comprising:
- a cam tube comprising a cylindrical wall, a first slot in the wall disposed along a radial arc of the cam tube and a second slot in the wall extending from an end of the first slot at an angle acute to the first slot;
- and
- a rod disposed through the wall, the rod rotates the cam tube while moving linearly along the cam tube in the second slot and while moving in an arc in the first slot.
Dependencies are inferred from the claim text.