Patent ID: 8113446

Claim:
An apparatus for controlling a flow of fluid in an emergency fixture, the apparatus comprising: a body; a control element at least partially located in the body and configured to impart rotation into the fluid flow, the control element comprising: an inlet that receives the fluid flow; a first outlet portion configured to guide a first portion of the fluid flow out of the control element as an axial flow; a second outlet portion configured to provide rotation to a second portion of the fluid flow relative to the axial flow; and a least one member extending across the second outlet portion, the at least one member having a deflection surface angled relative to the direction of the second portion of the flow such that liquid deflects off the deflection surface causing rotation of the second portion of the flow, wherein the first portion of the fluid flow exits the control element at a position downstream from the position that the second portion of the fluid flow exits the control element.