Patent ID: 7297257

Claim:
A chemical release system comprising: a pressure vessel comprising: a head comprising: a through hole extending from an inlet to an outlet on opposite sides of the head, the through hole divided by at least a circumferential partial rib into an inlet section and an outlet section wherein the inlet section has a first size and the outlet section has a second size less than the first size of the inlet section; an inlet port and an outlet port on opposite sides of the circumferential partial rib extending downwardly from the inlet section and the outlet section respectively out a bottom of the head; wherein the inlet port has a first size and the outlet port has a second size that is one of less than the first size of the inlet port and equal to the first size of the inlet port; and wherein the outlet port comprises a single diameter as it extends from the outlet section out the bottom of the head and; wherein the inlet port and outlet port exit out the bottom of the head in substantially a same plane.