Abstract: A flexible dry sprinkler has an inlet having an inlet orifice, an outlet, a flexible tube having a first end attached to the inlet and a second end attached to the outlet, an inlet seal for sealing the inlet orifice, whereby, when the inlet seal releases, fluid is permitted to flow from the inlet orifice to the outlet through the flexible tube, and a yoke positioned in the inlet, the yoke having a plurality of spaced-apart legs that permit the fluid to flow passed the yoke toward the outlet.

Abstract: A nozzle assembly including a primary tube and an outer housing, and configured to generate a counterflowing stream to break up another fluid into small droplets.

Abstract: Fire protection systems and methods having piping interconnections for connecting afire protection device to a fluid source. The piping interconnections include a branch connector connected to a pipe header. The branch connector includes a tubular member and an internal annular seal member housed in an internal gasket chamber of the tubular member. The tubular member includes an internal stepless surface between a terminal end of the tubular member and the internal gasket chamber.

Abstract: An applicator for dispensing a fluid includes a housing and a pump disposed within the housing. The applicator also includes a wand rotatably coupled to the housing. The applicator further includes a conduit that extends between the pump and the wand to deliver the fluid from the pump to the wand. The wand comprises a curved portion for receiving the conduit. The conduit, when disposed in the curved portion, intersects an axis about which the wand rotates.

Abstract: Methods of improving accuracy of droplet metering using at least one on-actuator reservoir as the fluid input. In some embodiments, the on-actuator reservoir that is used for metering droplets includes a loading port, a liquid storage zone, a droplet metering zone, and a droplet dispensing zone. The on-actuator reservoirs are designed to prevent liquid flow-back into the loading port and to prevent liquid from flooding into the droplet operations gap in the dispensing zone.

Abstract: A fragrance delivery system comprising at least one cartridge containing solid elements loaded by adsorption of an olfactory composition and opened by a grid having holes, the cross-section of which is smaller than the cross-section of the solid elements, wherein the solid elements are made of a polymer ensuring a natural delivery of the fragrances for a period of 6 to 18 months, and in that the cartridge is mounted on a cartridge holder holding the cartridge and connected to a mounting base on a fixed portion by an unstable linkage capable of ensuring an oscillating movement of the cartridge holder around a reference position.

Abstract: A system for treating a surface of a structure includes a wheeled vehicle that is movable along a surface and includes at least one surface treatment device.

Abstract: Systems for improving fire safety in agricultural machinery are configured for detecting, at least partially controlling, and/or suppressing adverse fire-related conditions. The adverse fire-related conditions can include sparks, embers, and/or flames in the agricultural machinery.

Abstract: A sprinkler guard includes at least one plate centered relative to a central axis of the sprinkler guard. A plurality of legs includes first and second legs that are attached to one plate, and third and fourth legs that are attached to another plate. A circular ring is attached to lower ends of the first to fourth legs, a center of the circular ring coinciding with the central axis, and the first to fourth legs being spaced apart about the circumference of the circular ring. First and second arms are attached to the first and second legs, respectively. In addition, a cross bar can be attached to the circular ring and extend across a diameter of the circular ring.

Abstract: A vehicle washing device includes: a cylinder including a cylinder tube to which a washing fluid is supplied; a piston including a piston tube that is movably inserted into the cylinder tube and opens at both ends; and a spray nozzle that is mounted at a leading end, in an extension direction, of the piston tube protruding from the cylinder tube. The spray nozzle is configured to spray the washing fluid, supplied through the inside of the piston tube, toward an object-to-be-washed. The outer circumference of the spray nozzle is fitted on the inner circumference of the piston tube.

Abstract: A spray wand for use with a chemical or chemical formulation in solid form. The wand hose end has a wand hose end valve for control of water flow from a hose. A refill cartridge having a swirl chamber may be attached to the hollow tube. The refill cartridge has at least one nub, indent and/or external channel or groove on its external surface.

Abstract: A process of forming strategic chemical-type wildfire breaks on ground surfaces to proactively prevent fire ignition and flame spread, and reduce the production of smoke in the presence of a wildfire. The process involves using a wireless mobile information network for managing the application of a clean fire and smoke inhibiting slurry composition containing clean fire inhibiting chemicals, and cellulose or wood fiber, mixed with water and other additives, on ground surfaces in advance of wild fire, to blanket the ground surfaces from wildfire ignition, and also application over smoldering ambers and ashes to prevent re-ignition while reducing (i) the use of significant amounts of water, (ii) the production of toxic run off water, and (iii) toxic smoke.

Abstract: A direct pivot smart tower box communication system is disclosed. The direct pivot smart tower box communication system includes a plurality of wheel sensor modules, a plurality of tower box modules, and a pivot center module. The plurality of wheel sensor modules are coupled to respective wheel hubs of respective towers of a direct pivot irrigation system. The plurality of tower box modules are coupled to the respective towers of the direct pivot irrigation system, wherein a tower box module includes a tower box module controller and is in communication with a wheel sensor module at a same tower as the tower box module. The pivot center module is coupled to the pivot center, wherein the pivot center module includes a pivot center module controller and is in communication with the plurality of tower box modules.

Abstract: A set of nozzles for a spray gun, especially a compressed-air paint spray gun, comprises at least one nozzle module group with at least two different nozzle modules for mounting in or on the same base module of a spray gun. The nozzle modules have different medium flow rates under the same spray conditions, the spray jets generated by the nozzle modules having substantially the same spray jet section height and the same spray jet section width, the spray jet sections of the different nozzle modules in particular being congruent. A spray gun system, a method for embodying a nozzle module, a method for selecting a nozzle module from a set of nozzles for a paint job, a selection system, in particular a “slide gate system”, and a computer program product are also disclosed. The user can select the nozzle module which is ideal for the paint job and mode of operation in question.

Abstract: A fire protection nozzle includes a body having two frame arms having proximal ends connected to an outlet of the body, and distal ends, the two frame arms defining a frame arm plane, and a junction formed by the distal ends of the frame arms, the junction including a central bore and an outer wall. A deflector is mounted to the body, and includes a planar member having a mounting hole in a center of the planar member to receive the outer wall of the junction, and a plurality of slots on a periphery of the planar member. The plurality of slots includes first slots, second slots, third slots, and fourth slots.

Abstract: Automatic fire protection sprinkler assemblies having a trigger assembly with a thermally responsive element and a yoke that seats and facilitates heat flow over the thermally responsive element. The yoke includes an elongate support member with a central region centered between two end portions with linear portions extending between the central region and the end portions. The yoke defines a heat impact region in which the end of the trigger assembly is received and seated. The yoke also provides a lateral access to define a fluid flow path in fluid communication with the heat impact region to facilitate heat flow over the thermally responsive element.

Abstract: What is presented is a system and method for bubble creation in a fluid injection nozzle for the injection of a gas into a liquid to divide the gas into the smallest possible bubble size with the largest cumulative surface area by maximizing the percentage of gas at the highest possible kinetic energy that is in contact with the liquid. The fluid injection nozzle comprises a convergent inlet for receiving a fluid and a divergent outlet for exhausting the fluid. The divergent outlet has multiple exhaust ports.

Abstract: A hose assembly includes a first conduit, a second conduit, a nozzle assembly, and a valve assembly. The first conduit defines a first fluid path through the hose assembly. The second conduit is received within and extends partially through the first conduit. The second conduit defines a second fluid path through the hose assembly. The nozzle assembly is coupled to a first end of the first conduit. The valve assembly is fluidly coupled to the first conduit and the second conduit. The valve assembly is fluid coupled to a second end of the first conduit opposite the first end. The valve assembly is adjustable between a first position and a second position. In the first position, the valve assembly provides water into the first conduit. In the second position, the valve assembly provides pressurized air into the second conduit.

Abstract: An agricultural machine includes a source of a substance to be applied to an agricultural field and a substance outlet through which the substance is configured to pass to be applied to the field. The agricultural machine further includes a controllable piezo-actuated valve and a control signal generator configured to generate a valve control signal. The piezo-actuated valve includes a valve inlet configured to be in fluidic communication with the source of substance to be applied to the field and a valve outlet through which the substance to be applied to the field passes to move through the piezo-actuated valve. The piezo-actuated valve further includes a piezo element configured to move in response to the valve control signal and a flexure, coupled to the piezo element, and configured to amplify the movement of the piezo element to provide a valve driving movement.

Abstract: A method of forming and maintaining GPS tracked and mapped environmentally-clean chemical-based firebreaks and fire protection zones on, over and/or about property surfaces that proactively inhibit fire ignition and flame spread when exposed to wild fire. The method involves wirelessly connecting a GPS-tracking anti-fire (AF) liquid spraying system to a wireless communication network supporting a network database. The GPS-tracking anti-fire liquid spraying system is used to spray particular GPS-specified ground surfaces with an environmentally-clean anti-fire chemical liquid so to form an environmentally-clean chemical firebreak over the GPS-specified property surfaces, while generating GPS-coordinate and time/date stamped data records pertaining to the application of the environmentally-clean anti-fire chemical liquid spray during the formation of the environmentally-clean chemical firebreak or fire protection zone.