Patent ID: 11879558
Assignee: THE BOEING COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A pressure relief valve comprising:
a housing configured to allow fluid flow therethrough;
an adapter having interior threads, wherein the adapter is attached to the housing such that the adapter is positioned at least partially within the housing, wherein the adapter comprises an adapter inlet, an adapter outlet, a sleeve connecting the adapter inlet to the adapter outlet, and a shoulder that transitions the adapter inlet to the sleeve;
an orifice plate having an orifice formed therein to allow fluid flow therethrough, wherein the orifice plate comprises exterior threads that engage with the interior threads of the adapter to couple the orifice plate to the adapter;
a spring disposed within the housing, wherein the orifice plate translates via engagement of the exterior threads with the interior threads to calibrate a spring force of the spring; and
a spring washer disposed between the orifice plate and the shoulder and configured to restrict movement of the orifice plate.