Surge relief valve
AssigneeDeZURIK, Inc.
InventorTimothy M. O'Shea
Life of this patent
Estimating the term…
Abstract
A surge relief angle valve (SRA) is disclosed. The surge relief angle valve is held normally-closed by one or more compression spring(s). In certain embodiments the surge relief angle valve includes a body containing a disc and disc seat; a piston and shaft, the piston and shaft in communication with the disc and disc seat; and a spring providing a force against the piston; wherein the spring is enclosed within a housing and wherein the surge relief valve has a closed self-contained hydraulic system containing the piston and shaft, and providing a dampening force against the spring force.
Claims15
A surge relief valve, the surge relief valve comprising:
- a body containing a disc and disc seat;
- a piston and shaft, the piston and shaft in communication with the disc and disc seat;
- and
- a spring providing a force against the piston;
- wherein the spring is enclosed within a housing and
- wherein the surge relief valve has a closed self-contained hydraulic system containing the piston and shaft, and providing a dampening force against the spring force.
A surge relief valve, the surge relief valve comprising:
- a body containing a disc and disc seat;
- a piston and shaft, the piston and shaft in communication with the disc and disc seat;
- and
- at least two counter-wound springs providing a force against the piston;
- wherein the springs are enclosed within a housing and
- wherein the surge relief valve has a closed self-contained hydraulic system containing the piston and shaft, and providing a dampening force against the spring force;
- and wherein the height of the surge relief valve is less than 5 times the diameter of the conduit on which it is configured to be installed;
- wherein the surge relief valve has a cylinder chamber integrated into the cover;
- and
- wherein the surge relief valve has a cylinder chamber integrated into the cover, including a lower portion of the cover comprising ribs.
Dependencies are inferred from the claim text.