An integrated valve and manifold assembly includes a water valve configured to control water flow from one or two valve outlets. At least one of the outlets is coupled to a manifold. In some examples, the manifold is a dual-extrusion manifold having at least one air channel and at least one water conduit, and the water valve has a pair of air channels attached to a periphery of the water valve and configured to couple to the manifold air channels. In examples wherein at least one of the manifolds is a dual-extrusion manifold, a top portion of the assembly includes an air valve configured to control flow of air to air channel(s) of the dual-extrusion manifold. In other examples, the assembly includes a one-outlet or two-outlet water valve configured to couple to water manifolds, with no attached air channels or air valves.

An integrated valve and manifold assembly includes a water valve configured to control water flow from one or two valve outlets. At least one of the outlets is coupled to a manifold. In some examples, the manifold is a dual-extrusion manifold having at least one air channel and at least one water conduit, and the water valve has a pair of air channels attached to a periphery of the water valve and configured to couple to the manifold air channels. In examples wherein at least one of the manifolds is a dual-extrusion manifold, a top portion of the assembly includes an air valve configured to control flow of air to air channel(s) of the dual-extrusion manifold. In other examples, the assembly includes a one-outlet or two-outlet water valve configured to couple to water manifolds, with no attached air channels or air valves.

A valve for a bypass conduit is comprised of a rigid inner frame having an arm with a tab at one end and a hinge at an opposite end. A flexible outer seal is positioned over the inner frame, the flexible outer seal defining a peripheral edge to substantially house the tab and arm of the inner frame. The valve is pivotable from a first position to a second position on the bypass conduit.

Methods, apparatus, systems, and articles of manufacture are disclosed for a variable bleed valve assembly. An example variable bleed valve assembly a variable bleed valve (VBV) door corresponding to a bleed port and a first unison ring, the VBV door coupled to the first unison ring, the first unison ring to move in a circumferential direction between a first position and a second position causing the VBV door to move between the first position and the second position.

A valve disk of a double eccentric butterfly valve having boss sections (3, 4) for accommodating a stem (8) and rib sections (6, 7) each extending toward outer edge portions of the valve disk in a direction intersecting a stem (8) from the boss sections are provided on a surface on one side of a disc (2), and each of the ribs respectively excluding the boss sections is provided such that a height from a surface (2a) of the disc on the side on which a distance to an end on the edge portion side of the valve disk is longer than that on the side on which a distance to an end on the edge portion side of the valve disk is short when the heights are respectively compared at positions spaced an equal distance apart from a stem center axis (20), and the butterfly valve.

A thermal trigger assembly for remote mechanical actuation of another fire protection system component includes an activation component having a base and a movable member. A bias member biases the movable member from a preactivation to an activated position with respect to the base. A thermally responsive element retains the movable member in the preactivation position until a predetermined thermodynamic condition is reached, when the thermally responsive element loses structural integrity. A flexible connector includes a flexible hollow outer cable housing with one end configured to be stationarily (preferably fixedly) connected with the base. A flexible cable is inside the outer cable housing for sliding movement therein and has one end configured to be stationarily (preferably fixedly) connected with the movable member. The flexible cable is moved with respect to the outer cable housing by movement of the movable member upon loss of structural integrity by the thermally responsive element.

A valve assembly for a vehicle exhaust system includes an exhaust component body defining an exhaust gas flow path and a flap mounted to pivot in the exhaust gas flow path between a minimum flow position and a maximum flow position. At least one bushing supports the flap for rotational movement relative to the exhaust component body about an axis. In one example, a damper is positioned radially between the bushing and the flap and defines an inner diameter that is smaller than an outer diameter of the bushing. In another example, a damper is attached to the flap such that a distal edge is free from attachment to a distal edge of the flap such that as the flap returns to the minimum flow position the damper first contacts the exhaust component body and then the flap contacts the damper.

A dump gate system for a fluid hopper in a firefighting aircraft. A gate sealably engages a gate opening in the hopper at a closed position. The gate is hingedly connected about the gate opening, and a drive shaft is supported within the hopper. A crank arm is fixed to the drive shaft and is further coupled to the gate by a connecting link. The crank arm and the connecting link define an over-center geometry while the gate is at the closed position, such that weight of the fluid on the gate induces torque on the drive shaft in a gate-closing direction. A linear electric motor is selectively coupled to rotate the drive shaft in a gate-opening direction to thereby enable control of the fluid flow from the hopper according to an angular position of the drive shaft.

A throttle valve for a centrifugal compressor includes a body having a central passage and one or more diverter flow paths. The central passage is formed by an inner surface of the body, each diverter flow path has an inlet and an outlet, and the one or more diverter flow paths are configured to induce a swirl within a fluid flow through the central passage while a portion of the fluid flow passes through the one or more diverter flow paths. The throttle valve also includes at least one blade disposed within the central passage. The at least one blade is configured to direct the portion of the fluid flow to the inlets of the one or more diverter flow paths while the at least one blade is in a partially open position.

Technologies are described for dual motion shutoff valve assemblies. In various examples, valve assemblies include a sequencing drive mechanism and an eccentric shaft mechanism operable to linearly retract the valve disk from a gasket surface to effectively reduce scratching and friction of the gasket surface during valve opening and closing operations. In some examples, the sequencing drive may include two interlocking concentric driver rings, a retaining housing, and roller lock pins. Three guided pins of the sequencing drive may be configured to prevent the valve from rotating, while also causing the valve to retract linearly from the gasket surface via the eccentric shaft. Following retraction, an inner driver of the sequencing drive may allow the roller lock pins to move and lock the outer driver, which in turn may lock the valve disk to the shaft and rotate along with the shaft, which may be a single or dual shaft.