Patent ID: 11971111
Assignee: DRESSER, LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 7:
8. A method comprising:
receiving a pressurized fluid flow by an inlet of a pressure relief valve;
lifting a plunger from a valve seat within the pressure relief valve responsive to receiving the pressurized fluid flow;
lowering a pressure and increasing a velocity of the fluid flow by a throat of the pressure relief valve, the throat defining a throat flow area;
increasing the pressure and decreasing the velocity of the fluid flow by an exit of a plunger within the pressure relief valve, the plunger at least partially defining a curtain flow area; and
directing the fluid flow to a relief header by the pressure relief valve, the relief header having a backpressure, wherein a flow area ratio of the throat flow area to the curtain flow area is 0.428 or less.