A dust suppression system has one or more fluid dischargers configured to discharge a fluid capable of suppressing generation of dust to a work area of a building by remote operation. The fluid discharger includes a discharge nozzle configured to discharge the fluid; a first swivel joint structure including a first rotating-side body connected to and supporting the discharge nozzle and a first fixed-side body rotatably supporting the first rotating-side body; a first electric linear motion mechanism including a first support part and a first movable part supported by the first support part in a linearly movable manner; and a first rotation mechanism configured to convert linear motion of the first movable part into rotational motion to rotationally displace the first rotating-side body. The dust suppression system can further reduce power consumption as well as can accurately discharge a fluid from a fluid discharger to a predetermined work area.

A fire suppression nozzle assembly includes a spray-type nozzle for spraying a fire suppression fluid. The spray-type nozzle includes a body portion defining a passage extending longitudinally through the body portion for conveying the fire suppression fluid. The spray-type nozzle also includes a deflector portion coupled to the body portion and configured to spray the fire suppression fluid onto a fire suppression target area using a radial spray pattern.

Disclosed herein is an apparatus for dispensing a mixture of at least two liquid components. The apparatus may comprise an A liquid component source fluidly connected with an A liquid component pump driven by a first motor; and a B liquid component source fluidly connected with a B liquid component pump driven by the first motor. Each of the A liquid component pump and the B liquid component pump may comprise at least two chambers. The A liquid component pump and the B liquid component pump may be fluidly connected with a dispenser unit. There may be one or more A liquid temperature regulators between the A liquid component pump and the dispenser unit. Similarly, there may be one or more B liquid temperature regulators between the B liquid component pump and the dispenser unit.

The invention pertains generally to an improved fluid dispensing device, particularly a dispensing device which employs at least one hemispherical domed cannister source of reactants and which uses a color-changing dispensing plastic tip to inform the end-user if the reactants are at a proper use temperature.

A two-component spray gun is illustrated that utilizes a third stream for dispensing at least some, and in some instances all, of the requisite foam precursor reactants and/or blowing agents in combination with the “A” and “B” reactant streams.

A foam dispensing apparatus and system thereof can be used for dispensing a mixture of a resin component and an isocyanate component. The foam dispensing apparatus contains a heated hose assembly, a spray gun containing a spray head and a mix tube, and a nozzle for dispensing the resin and isocyanate components from the spray gun. Components of the foam dispensing system are lightweight and/or low cost thereby facilitating use and maintenance.

Exemplary foam dispensers having remote foam generators and remote foam generators are disclosed herein. An exemplary foam dispenser includes a housing, a liquid reservoir, a liquid pump chamber, an air pump chamber and a remote foam generator. The remote foam generator is at least 3 inches from the liquid pump chamber and the air pump chamber. The remote foam includes a housing, an end wall, a liquid inlet and an air inlet. The remote foam generator includes a central axis. The air inlet is located above the central axis and the liquid inlet is located below the central axis. The remote foam generator includes an inner mixing chamber, an outer mixing chamber and a deflector. The deflector has a first surface angled to deflect air flowing from the air inlet into the outer mixing chamber. The liquid inlet directs liquid flow into the outer mixing chamber. One or more fluid flow windows place the outer mixing chamber in fluid communications with the inner mixing chamber. A foaming chamber is included. One or more mix media are located in the foaming chamber. The foam generator also includes a foam outlet.

A foam output device, such as a dispenser, a gun, a turreted cannon, a hose adapter, an aerosol can, or others. The foam output device includes a valve configured to switch between a first mode and a second mode. The valve is configured to simultaneously receive a plurality of compositions and a fluid during the first mode such that the compositions and the fluid are able to react with each other within the valve to form a foam thereby. The valve is configured to prevent the compositions and the fluid from reacting with each other in the valve during the second mode.

A fluid delivery system includes a smart hose. The smart hose includes a fluid conduit configured to deliver a fluid. The smart hose further includes a first electrically conductive element configured to deliver electricity through a length of the smart hose. The fluid delivery system further includes master hub disposed on a fluid delivery device. The fluid delivery system also includes at least one slave hub disposed on the smart hose and communicatively coupled to the master hub.

A foam dispenser having a metal housing has a spool valve socket therein. A metal handle extends from the housing. A spool valve is disposable within the spool valve socket. A trigger couplable to the spool valve enables the spool valve to be rotated between open and closed orientations within the housing. The spool valve has internal channels for selectively passing liquids through the spool valve in the open orientation and not in the closed orientation. The spool valve also has a channel for selectively passing a gas through the spool valve in both the open and closed orientations.