Abstract: A mobile fire extinguishing device includes a motorbike having a base connected to a rear end thereof, and a foam-type fire extinguishing device is connected to the base. Two support units extend from two sides of the base respectively and each support unit has a retractable support rod. A support stand is pivotably connected to the rear end of the base and is positioned either at a retracted first position or an extended second position. When the two support rods are extended, the motorbike is lifted upward and the rear wheel of the motorbike is lifted from the ground. When the support stand is pivoted to the second position, the two support units are retracted, the support stand contacts against the ground so that the motorbike is stable on the ground to bear the reaction force due to the action of the foam-type fire extinguishing device.

Abstract: The embodiments herein provide a handheld shower head sprayer with a flexible hose arrangement that automatically expands or contracts according to user convenience. The handheld shower head sprayer comprises shower arm, handheld shower sprayer, and flexible shower hose. The shower hose comprises an elastic inner tube concentrically positioned inside a non-elastic outer tube. When shower water valve is opened, water passes through the shower hose and expands the shower hose up. The radial expansion of the inner tube is constrained by maximum diameter of the outer tube. When the shower water valve is closed, the water pressure inside the shower hose is released and the shower hose automatically contracts to the unexpanded length of the hose.

Abstract: A demountable showerhead with tearing mode has backstop mouths arranged on an outlet surface of a shower. Each backstop mouth is disposed with an outlet waterway to connect to the waterway of the shower. The outlet waterway has a big and small end, and is contracted along the outlet direction of the shower, and a flexible cover, which comprise bowl shape plugs and a flexible connector connected to the bowl shape plugs; each plug has a big and small end, the small end of the plug is connected to the connector, the big end of the bowl shape plug is deformed and plugged into the small end of the backstop mouth, the external wall of the plug is coupled to the outlet waterway in elastic way; the internal wall of the plug is contracted along the outlet direction, the bottom of the external wall is disposed with outlet holes.

Abstract: A dual-plenum showerhead for semiconductor processing operations is provided. The showerhead may include a faceplate with two sets of gas distribution holes, each set fed by a separate plenum. One set of gas distribution holes may be through-holes in the faceplate of the showerhead and may allow gases trapped between the faceplate and a plasma dome to flow towards a wafer. The other set of gas distribution holes may distribute gas routed through passages or channels in the faceplate towards the wafer. The passages or channels in the faceplate may include radial channels and annular channels and may be fed from an annular gas distribution channel about the periphery of the faceplate.

Abstract: A flow adjustable bubble aerator is formed by a water tank, an outer casing, a rear tank, an adjustment assembly, a rear seat, a ball-shaped connector and a joint seat. The adjustment assembly includes an upper fixing plate, a lower plate base and an adjustment bolt. A bottom of the adjustment bolt is provided with a tool operation part, such that a tool can be used to adjust the discharge capacity outside the bubble aerator, thereby complying with the requirements of water saving and water usage.

Abstract: A supporter for connecting and positioning irrigation devices is revealed. The supporter for connecting and positioning irrigation devices includes a conical body and a connecting device. The conical body consists of a sharp end and a connecting end. The sharp end is mounted into the ground for positioning. The connecting device is composed of a receiving portion, assembly portions, and a switch portion. The assembly portions are used for connection to hoses and water flow guidance while the switch portion is used to control on/off of the water flow in the connecting device. The connecting device is set on the connecting end of the conical body so as to connect to hoses and position the hoses on the ground by the conical body.

Abstract: The irrigation matter (1) of the present invention is inserted and welded in the interior of a drip irrigation pipe (2) during production thereof. It has a number of protrusions (8) arranged in a row emerging from a solid flat part/base (6) of the outer convex surface (7) of the emitter (1). The pipe (2) is locally swollen, covers and is welded both on the protrusions (8) and on their base (6), so that a unified welded assembly is formed between protrusions (8) and the pipe. The water outlets (10) are typically and preferably formed between the prismatic protrusions (8) by cutting off the tips of the protrusions (8) during passage of the drip irrigation pipe in a continuously rotating concave fraise (35) located at the end of the production line. Cutting takes place after the pipe has passed through a system of successive pairs of concave and convex rollers which squeeze it, stretch it and make it rigid, maintaining it in a flattened convex and bent form.

Abstract: A gas injector and cover plate assembly includes a cover plate, a gas injector and a ceiling. The cover plate includes cooling fluid channels. The gas injector is configured to be located on the cover plate, and includes a gas distributor, a fluid-cooling gas transmitter, gas spraying plates and a conducting cone. The gas distributor distributes gases and a gas transmitter cooling fluid. The gas distributor includes a gas conduit for introducing a first gas. The fluid-cooling gas transmitter connects the gas distributor to introduce the gas transmitter cooling fluid to form cooling fluid walls and the first gas and the gases. The gas spraying plates and the conducting cone are located beneath the fluid-cooling gas transmitter.

Abstract: A telescopic water gun includes an inner tube, with an end coupled with a water outlet gun and another end sleeved with an outer tube, which has a deformable restraint ring and blocking sleeve disposed at the sleeving end, an upper end of the blocking sleeve being disposed with an outer thread section screwed with a pressing sleeve for tightly sleeving on the outer thread section; a water inlet connector sleeved at another end of the outer tube disposed with a water receiving end and a smaller diameter sleeving end, a large diameter water stopping section and small diameter water stopping section therebetween; and a water inlet controlling sleeve sleeving around the water controlling section with its inner diameter, a large diameter opening formed at a lower end of the water inlet controlling sleeve for sleeving around the a large diameter water stopping section of the water inlet connector.

Abstract: An apparatus for dispensing droplets comprises a dispensing tip with an orifice having a cross sectional area in the range of 0.00002 mm2 to 0.03 mm2. An actuator assembly comprising an actuator element engages with and disengage from the tip and, when engaged, couples acoustic energy to liquid in the tip to expel the liquid through the orifice as a droplet. The actuator assembly includes one or more piezo elements, which may be in the form of piezo stacks. In some embodiments, the actuator assembly comprises a plurality of jaws adapted to move to engage with the dispensing tip for dispensing. This allows side loading of the tip followed by movement of the actuator assembly to engage the tip.

Abstract: A low pressure fogging device includes a fogging device body having a hose coupling tube formed unitarily with the lower side thereof, a screw portion formed on the upper side thereof, and a fluid flow-inducing member seating plate formed on top of the screw portion; a fluid flow-inducing member having induction wings seated on top of the fluid flow-inducing member seating plate; a nozzle body having a fitting hole open downwardly therefrom to allow the fluid flow-inducing member seating plate and the fluid flow-inducing member to be fitted thereto; and a push-up nut having a pressuring ring formed at the center thereof to be locked onto a locking projection formed from an outer lower end periphery of the nozzle body and a screw groove formed at the inner periphery thereof to be fastened to a screw portion formed on the fogging device body.

Abstract: An apparatus for removing accumulated snow and/or ice from the undercarriage of a motor vehicle before it is parked in an indoor garage or parking lot includes a piping network with multiple jet/spray nozzles installed on the undercarriage and configured to direct nozzle sprays of pressurized heated antifreeze solution and nozzle jets of pressurized heated air to the perimeter areas of the undercarriage, including the wheel-wells, where snow/ice accumulation is most prevalent. Along with the network of nozzles, the undercarriage snow/ice removal apparatus includes a conductive and/or radiative heating grid covering the undercarriage perimeter areas to which the nozzle sprays and nozzle jets are directed. The undercarriage de-icing apparatus also includes multiple capacitive undercarriage icing sensors distributed throughout the de-icing areas.

Abstract: A method and a device for setting an idle stroke of an actuating drive of an injection valve with respect to an actuating element actuated by the actuating drive. The actuating drive is arranged in an injector body and the actuating element is arranged in an actuating-element housing such that it is movable in an axial. An axial stressing force is applied to the injector body and the actuating-element housing such that part of the injector body or actuating-element housing arranged in a force flow path defined the axial stressing force is deformed permanently, until a value of a representative electric variable determined directly or indirectly for the idle stroke of the actuating drive lies in a predefined value range. Further, an injector assembly for an injection valve may include an injector body and/or an actuating-element housing having a contact section elevated in the axial direction.

Abstract: A chimney access device has a rigid tube and a resilient connection tubing. The resilient connection tubing is connected with the proximal end of the rigid tube. The nozzle of the fire extinguisher may be inserted into the resilient connection tubing for spraying the extinguishant from the fire extinguisher through the rigid tube and into a chimney.

Abstract: A fuel injector for fuel-injection systems of internal combustion engines. The valve includes an electromagnetic actuating element having a solenoid coil, a fixed core, an outer magnetic-circuit component and a movable armature to actuate a valve-closure member which cooperates with a valve-seat surface provided on a valve-seat member. The valve is characterized by its extremely small outside dimensions. The entire axially movable valve needle, including armature and valve-closure member, has a mass of only m<=0.8 g. The valve is suitable as a fuel injector, especially for use in fuel-injection systems of mixture-compressing internal combustion engines with externally supplied ignition.

Abstract: A back pack sprayer apparatus for spraying liquids. The apparatus includes an integrally molded structure having an upper tank portion and a lower frame portion. A support stand can be connected to the molded structure, the support stand defining a supporting plane when the apparatus is in an upright position on the ground. The molded structure can have a front side defining a compound curve having an upper concave curve configured to receive an operator's back, and a lower convex curve terminating in a lowermost distal end forming a rearward angle of at least about 20 degrees with an axis normal to the supporting plane. The apparatus can include a pump, a hose, and a sprayer. A cover can be attached to the lower frame portion concealing the pump. The apparatus can include peripheral flanges and a lower drip rail which can help prevent liquid from contacting an operator.

Abstract: This control system for an agricultural spraying machine (1), of which the boom (5) is equipped with a plurality of multi-nozzle units (9), is characterized in that it comprises means (15a to 15, 17a to 17e, 23) for piloting each multi-nozzle unit (9) according to data representative of the cartography of the plants to be treated.

Abstract: An irrigation management system includes a water pump, at least one mobile irrigation system, and a pump controller. The mobile irrigation system includes a water pressure sensor for generating water pressure data indicating water pressure in the irrigation system. The pump controller is configured to receive the water pressure data generated by the water pressure sensor, to compare a target water pressure with the sensed water pressure data to determine a difference between the target water pressure and the sensed water pressure, and to adjust operation of the water pump to increase or decrease water pressure to the irrigation system in a manner that resolves the difference between the target water pressure and the sensed water pressure.

Abstract: The invention relates to a control chamber, the pressure of which determines the strokes or positions of a nozzle needle, and which is assigned to a force or pressure sensor in order to detect the progression of the control chamber pressure. Because the control chamber pressure significantly changes during the closing of the nozzle needle, the operating phases of the injector can be exactly determined from the sensor data and supplied to an engine controller.

Abstract: A method and product for producing a soft sounding aerosol spray from a particulate suspension, said method and product involving a spray channel having an exit orifice of internal diameter of from 0.5 to 0.8 mm and a terminal section leading to the exit orifice of internal diameter from 0.5 to 0.8 mm for a length of 5 mm or greater, the terminal section of the spray channel including the exit orifice having a tubular internal surface free from obstacle.