Pressure control apparatus
AssigneeGolder Associates Ltd.
InventorsChris Lee, Craig Vucinovich, Brendan John Hampshire
Life of this patent
Estimating the term…
Abstract
A pressure control apparatus includes a main line section and a branch line operably joined to and extending from the main line section. A housing around the branch line has a first wall and a second wall opposed to the first wall, and a first opening is in the first wall. A plug is operably positioned in the branch line, and the plug has a first position that prevents fluid flow through the branch line and a second position that permits fluid flow through the branch line. A loop extends from the plug, and a lever pivotally connected to the second wall and extending through the loop and the first opening in the first wall positions the plug to the first and second positions.
Claims10
A pipeline pressure control apparatus, comprising:
- a main line section;
- a branch line operably joined to and extending from said main line section;
- a housing around said branch line, wherein said housing has a first wall and a second wall opposed to said first wall with said first and second walls located on opposite sides of said branch line;
- a first opening in said first wall;
- a plug operably positioned in said branch line, wherein said plug has a first position that prevents fluid flow through said branch line and a second position that permits fluid flow through said branch line;
- a loop extending from said plug;
- a lever pivotally connected to said second wall and extending through said loop and said first opening in said first wall, wherein said lever positions said plug to said first and second positions;
- and
- wherein said plug is flush with said main line section when said plug is in said first position.
A pipeline pressure control apparatus, comprising:
- a branch line operably joined to and extending from a pipeline;
- a housing around said branch line, wherein said housing has a first wall and a second wall opposed to said first wall with said first and second walls located on opposite sides of said branch line;
- a first opening in said first wall;
- a plug operably positioned in said branch line, wherein said plug has a first position that prevents fluid flow through said branch line and a second position that permits fluid flow through said branch line;
- a loop extending from said plug;
- a lever pivotally connected to said second wall and extending through said loop and said first opening in said first wall, wherein said lever positions said plug to said first and second positions;
- wherein said first opening in said first wall comprises a first portion and a second portion perpendicular to said first portion and said lever extends through said first portion when said plug is in said first position and through said second portion when said plug is in said second position.
Dependencies are inferred from the claim text.