Back to results
US 10,920,908 B2Granted
Valve stem for choke valve
AssigneeDDS Investments, LLC
InventorsMark Burris, Kenny Burris, Bryce W. Burris
Life of this patent
Estimating the term…
Abstract
A valve stem includes a valve stem body connected to a valve stem head. The valve stem is for use with a choke valve. The valve stem body has first and second ends with an expandable valve stem tip extending from the second end of the valve stem body. The valve stem tip expands radially outwardly in an opening in the valve stem head to secure the valve stem head to the valve stem body.
Claims20
A valve stem comprising:
- a valve stem body having an expandable tip;
- a detached spherical insert;
- and
- a valve stem head defining an opening configured to receive the detached spherical insert and the expandable tip, wherein upon insertion of the detached spherical insert and the expandable tip into the opening in the valve stem head the detached spherical insert causes the expandable tip to expand radially outwardly to attach the valve stem body to the valve stem head.
1 more element
A choke valve comprising:
- a valve body defining a flow inlet and a flow outlet and a flow passage communicating the flow inlet and flow outlet;
- a valve seat in the valve body, the valve seat positioned between the flow inlet and the flow outlet;
- a valve stem disposed in the valve body and operable with the valve seat to regulate flow through the flow passage, the valve stem comprising:
- a valve stem head defining an opening in an end thereof;
- a valve stem body;
- a detached spherical insert being loosely positioned in the opening of the valve stem head;
- and
- a segmented expandable tip defining a plurality of tip segments and movable from a relaxed position to an expanded position extending from the valve stem body, wherein the detached spherical insert causes the expandable tip to radially expand to an expanded position in the opening in the valve stem head when the expandable tip is pressed into the opening of the valve stem head, and wherein the valve stem head is secured to the valve stem body when the expandable tip is in the expanded position.
5 more elements
A choke valve stem for use in a choke valve designed to regulate flow comprising:
- a valve stem head defining an opening therein, the valve stem head having a maximum outer diameter;
- a valve stem body having first and second ends, the valve stem body having a maximum outer diameter, wherein the maximum outer diameter of the valve stem body is substantially the same size as the maximum diameter of the valve stem head;
- an expandable tip movable from a relaxed position to an expanded position, the expandable tip extending from the second end of the valve stem body and received in the opening in the valve stem head, wherein the expandable tip moves to the expanded position and secures the valve stem body to the valve stem head when it is received in the opening in the valve stem head;
- and
- a detached insert inserted into a central opening of the expandable tip to move the expandable tip from the relaxed to the expanded position.
2 more elements
A valve stem comprising:
- a valve stem body having an expandable tip;
- a valve stem head defining an opening therein;
- a detached insert positioned in the opening, the expandable tip being engageable with the detached insert such that upon insertion of the tip into the opening, the expandable tip expands radially outwardly to connect the valve stem body to the valve stem head.
Dependencies are inferred from the claim text.