Abstract: A method and apparatus for directing a flow of a fluid. The apparatus comprises a housing, an inlet port, a first outlet port, a second outlet port, and a moveable barrier. The housing has a chamber inside of the housing. The inlet port is in communication with the chamber. The first outlet port and the second outlet port are also in communication with the chamber. The moveable barrier is located in the chamber and rotatable about an axis between a closed position and an open position. The moveable barrier covers the second outlet port in the closed position. The open position allows a fluid to flow through the chamber and out of the second outlet port. The closed position reduces a flow of the fluid through the chamber and out of the second outlet port.

Abstract: Systems for very early smoke detection are disclosed, including details of tube hangers that may be used to hang sampling tubes for very early smoke detection systems. The systems and components thereof may be temporarily installed in aerospace vehicles during manufacturing. The tube hangers are generally compact, allowing use in confined spaces and/or near obstructions. Tube hangers comprise a support coupling mechanism, a tube clamp, and one or more suspension arms that span between the support coupling mechanism and the tube clamp. Tube hangers may be a unitary body that defines a tube clamp, one or more suspension arms, and a support coupling mechanism. Tube clamps define a tube clamp opening generally facing away from the support coupling mechanism.

Abstract: A method and apparatus for directing a flow of a fluid. The apparatus comprises a housing, an inlet port, a first outlet port, a second outlet port, and a moveable barrier. The housing has a chamber inside of the housing. The inlet port is in communication with the chamber. The first outlet port and the second outlet port are also in communication with the chamber. The moveable barrier is located in the chamber and rotatable about an axis between a closed position and an open position. The moveable barrier covers the second outlet port in the closed position. The open position allows a fluid to flow through the chamber and out of the second outlet port. The closed position reduces a flow of the fluid through the chamber and out of the second outlet port.

Abstract: Systems for very early smoke detection are disclosed, including details of tube hangers that may be used to hang sampling tubes for very early smoke detection systems. The systems and components thereof may be temporarily installed in aerospace vehicles during manufacturing. The tube hangers are generally compact, allowing use in confined spaces and/or near obstructions. Tube hangers comprise a support coupling mechanism, a tube clamp, and one or more suspension arms that span between the support coupling mechanism and the tube clamp. Tube hangers may be a unitary body that defines a tube clamp, one or more suspension arms, and a support coupling mechanism. Tube clamps define a tube clamp opening generally facing away from the support coupling mechanism.