Abstract: Institutional sprinkler assemblies are provided that includes a sprinkler housing and protective cap arrangement to protect a thermally responsive shielding trigger. The sprinkler housing and trigger arrangement provide for an annular buffer to protect the trigger. The institutional sprinkler assemblies include configurations for installation in pendent and horizontal and orientations.

Abstract: A water sprinkler mat includes an annular water bag, a base mat and a water inlet mechanism, a radially inner sidewall of the water bag is configured with a plurality of water orifices; the base mat is fixedly connected to the inner sidewall of the water bag; the water inlet mechanism includes a first water inlet pipe and a water distributive pipe, the first water inlet pipe is inserted in the water bag and is fixed with the water bag; the water distributive pipe is located inside the water bag, the first water inlet pipe is configured with a first guide hole, the water distributive pipe extends through the first guide hole and is fixed with the first water inlet pipe; two ends of the water distributive pipe are open, a water inlet opening in communication with the first water inlet pipe is defined at the water distributive pipe.

Abstract: An electrostatic atomizing apparatus includes: a liquid nozzle portion for releasing a liquid column into an open space; a liquid conduit portion for introducing pressurized liquid into the liquid nozzle portion; a liquid-side electrode disposed inside the liquid conduit portion for coming into contact with the pressurized liquid; a gas conduit portion made of an insulation material and having a gas nozzle portion disposed around the liquid nozzle portion for converting the liquid column into fine particles to generate an atomized stream by making a gas stream from the gas nozzle portion act at an atomization point of the liquid column released into the open space from the liquid nozzle portion; and a ring-shaped induction electrode disposed around the atomization point located in the open space and having an electrode conductor made of a conductive material and coated with an insulation material.

Abstract: An apparatus for delivering a volatile material in a continuous manner is disclosed. The apparatus includes a delivery engine having a reservoir for containing a volatile material; a rupturable substrate secured to the reservoir; a rupture element positioned adjacent to the rupturable substrate; and a breathable membrane enclosing the reservoir, rupturable substrate and rupture element.

Abstract: Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simplified maintenance of a fire extinguisher with minimal training and without need for custom equipment. The improvements include an anti-bridging mechanism that can be articulated from the exterior of the chamber to fluff, mix or stir the powder within the chamber to keep it in a liquefied state. These features will extend the service intervals while maintaining the fire extinguisher in a ready condition.

Abstract: A sprayer includes a sprayer casing, a power module and a spray nozzle. The sprayer casing is configured to contain a liquid. The power module is connected to the sprayer casing and is configured to energize the liquid in the sprayer casing, so that the liquid carries a first charge. The spray nozzle is connected to the sprayer casing and is configured to atomize the liquid with the first charge and spray it onto the external object with the second charge. The first charge and the second charge are opposite. The sprayer of the present invention has an excellent atomization effect and an improved the utilization rate of the atomized liquid.

Abstract: A supervised fire suppression system (10, 100) is disclosed that includes a discharge valve (14, 114) for controlling release of a fire extinguishing agent from a container (12), a control head (16, 116) operatively associated with the discharge valve for actuating the discharge valve in the event of a fire, wherein the control head may be removed from the discharge valve to facilitate inspection of the control head, and an internal supervisory switching device (130) mounted within the control head and configured to interact with the discharge valve to provide an indication that the control head has been removed from the discharge valve.

Abstract: A containing apparatus for volatile liquid includes a container for receiving a volatile liquid, a breathable membrane, a rupturable substrate, an upper casing, and a pressing member. An accommodating portion of the container has a receiving opening. The rupturable substrate covers the receiving opening for retaining the volatile liquid therein without leakage in a non-use state. The breathable membrane is disposed above the rupturable substrate. The upper casing is disposed above the breathable membrane and has a through-hole. The pressing member is movably connected to the upper casing and can be pressed toward the breathable membrane and the rupturable substrate. The breathable membrane is arranged between the pressing member and the rupturable substrate. A part of the pressing member can pass through the through-hole and break the rupturable substrate to form a breaking hole, yet the breathable membrane is not broken.

Abstract: The present invention relates to a volatile substance diffuser, where said diffuser comprises a reservoir (10) containing the volatile substances, characterized in that it is formed from a sheet (11) provided with a plurality of fold lines, said sheet (11) comprising a first face (1) on which said reservoir (10) is fixed; a second face (2) which supports the diffuser upright in a use position together with said first face (1); and a third face (3) provided with a hole (12) for hanging the diffuser. The present invention allows providing a volatile substance diffuser which prevents using a container housing said diffuser.

Abstract: Some embodiments of the present disclosure provide a multi-functional automatic translational field service device, which includes a first driverless water wagon and a second driverless water wagon that are arranged on a flat road at two ends of a field respectively. The first driverless water wagon is connected with the second driverless water wagon through a first steel wire (1) and a second steel wire (2), and two sides of the first steel wire (1) are each provided with a synchronizer (3); the first steel wire (1) is connected with a first horizontal PVC pipe (5) through a plurality of third steel wires (4) that are evenly distributed and extended along a vertical direction; a plurality of first round holes are evenly distributed on the first PVC pipe (5).

Abstract: A fire suppression nozzle includes a first conduit including an inlet and an outlet, a second conduit coupled to the first and including a plurality of outlets spaced apart from a second plurality of outlets. The nozzle includes a first annular sound absorbing member positioned on a first side of the outlet and a second annular sound absorbing member positioned on a second side of the outlet wherein the first conduit provides inert gas to the second conduit. The inert gas exits the outlet in a first direction and a first portion of the inert gas is directed toward the first plurality of outlets in a second direction and a second portion is directed toward the second plurality of outlets in a third direction opposite the second direction, wherein the second and third directions are generally perpendicular to the first direction.

Abstract: A jet regulator for a fitting for dispensing boiling water is provided. The jet regulator includes a substantially cylindrical housing with an inlet opening and an outlet opening, and a swirl creating portion, arranged in the region of the inlet opening, with a substantially helically extending flow guide for rotationally accelerating a stream of water flowing through, an expansion zone, following the swirl creating portion, in which the rotationally accelerated stream of water can flow under the action of centrifugal force in the region of the housing inner wall, and a guide portion, in which the rotational movement of the stream of water is decelerated and the latter is guided in a longitudinal direction.

Abstract: A spray gun includes a gun body and valves configured to control flow of material and air through the gun body. A trigger is mounted to the gun body and is disposed relative to the valves such that the trigger actuates the valves in sequence to begin air flow and material flow. A sensor senses when the trigger is in an actuated state and the sensor causes a pump to begin pumping material to the spray gun. Release of the trigger causes the trigger to leave the actuated state. A detent mechanism holes the trigger in a detent state intermediate the actuated state and a resting state. The sensor does not sense the trigger with the trigger in the detent state. The trigger maintains the valves open with the trigger in the detent state.

Abstract: A fire protection system includes a plurality of fluid distribution devices coupled to the fluid supply pipes to define four fluid distribution devices above a floor. The fluid distribution devices generate a spray pattern overlapping one another to define a rectangular fluid distribution area 2.5 ft. The rectangular area having a first pair of edges extending parallel to the fluid supply pipes and a second pair of edge extending perpendicular to the first edge. The fluid distribution devices are axially aligned above a corner of the rectangular area, the fluid distribution area defined by a grid of one square foot areas totaling an area no more than 12 ft.×8 ft., the rectangular area of fluid distribution having a total fluid density of at least 60 gpm/sq. ft., the rectangular area including a first zone of fluid distribution of a 4 ft.×4 ft. area.

Abstract: A water spray gun for control of an outflow of water and adjustment of the amount of the outflow is revealed. The water spray gun includes a handle portion, a pipe portion connected to the handle portion and used for spraying water, and a control device arranged at the position where the pipe portion meets the handle portion. The control device comprises a press part and a rotary control member. The amount of the water outflow is controlled by the rotary control member. The amount of the outflow sprayed out from the pipe portion at respective stages is continuously controlled and regulated by the control device.

Abstract: A spray head assembly that includes a body configured to receive water; and a plurality of nozzles on or in the body, wherein the plurality of nozzles is configured to receive and discharge the water in a plurality of nonintersecting streams that together form a spray pattern having either a dotted “S” shape or a dotted “8” shape at a focal distance from the body.

Abstract: A rotary metering head comprises a platform which is rotatable about an axis of rotation and on which a jet valve is arranged that serves for the jetting of fluid materials.

Abstract: Disclosed is an emitter comprising a plurality of holes 106, running along a first edge 102 and a second edge 104 of the emitter. The emitter 100 may further comprise of an echelon shaped teeth portion 114. The echelon shaped teeth portion may run parallel to the first edge 102 and the second edge 104. Further the echelon shaped teeth portion 114 at least partially extends between the first side 110 and the second side 112.

Abstract: A high efficiency nozzle is designed. The nozzle allows water streams with long-range and high surface area in one system. Suitable transitions in the fluid pathways allow creating water streams that have a robust flow profile. The system allows minimum energy loss whilst maximizing the velocity and surface area. Such nozzles can be used for a variety of applications including but not limited to fire suppression, pressure washing, watering, and other such applications.

Abstract: A liquid dispensing apparatus for applying liquid products to row crops. The liquid dispensing apparatus includes a plurality of drop assemblies supported by and laterally spaced along a boom structure. Each of the drop assemblies includes dribble hoses for dribbling a liquid product onto the soil in a rhizosphere of adjacent crop rows. The drop assemblies may include a spray assembly for spraying the row crops. The dribble hoses may be supported by a base unit with positionable support brackets.