Patent ID: 7806348

Claim:
An apparatus for controlling a flow of fluid in an emergency fixture, the apparatus comprising: a body; a first control element at least partially located in the body and configured to impart rotation into the fluid flow, the first control element comprising: an inlet that receives fluid; an outlet that divides the fluid flow into at least a first portion and a second portion, the outlet comprising a first outlet portion and a second outlet portion; and at least one radial member extending across the second outlet portion and restrained from rotating relative to the body; and a second control element configured to control the volume of the fluid flow and located upstream of the first control element; wherein the body includes at least one drainage notch to allow air and water to pass between the second control element and the body; wherein the first outlet portion guides the first portion of the flow out of the first control element as an axial flow, and wherein the second outlet portion provides rotation to the second portion of the flow relative to the axial flow.