Abstract: A slip-clutch assembly including a slip gear and clutch for a sprinkler motor of a sprinkler is disclosed for reducing damage to movable portions of the sprinkler is disclosed. The slip-clutch assembly allows at least a portion of a motor assembly or a sprinkler head to rotate at a rate lower than under normal operating conditions. The slip-clutch assembly includes a first component or portion with deformable portions received under normal operating conditions within recesses or cooperating structure of a second component or portion. The deformable portions are able to release or slip from the cooperating structure when the rotation of a portion of the sprinkler is impeded by a force exceeding a predetermined level. The deformable portions of the slip-clutch assembly may include deflectable arms with an engageable portion received within the cooperating structure. The engageable portion may dis-engage by camming out of the cooperating structure when the impeding force exceeds the predetermined level.

Abstract: A trigger mechanism for watering nozzles includes a trigger whose lower end is pivotably connected to the handle and an activation rod has a first end inserted into a tube in the handle and a second end of the activation rod is in contact with the inside of the trigger. The first end of the activation rod may push a valve member in the tubular path in the handle to allow water to flow through the path and enter the barrel of the watering nozzle. The trigger can be fixed at operation position by pulling a movable member located above the trigger.

Abstract: This fuel injection control device includes: a fuel injection valve; a piezoelectric element or a solenoid which drives the fuel injection valve; a fuel pump which pressurizes fuel and supplies it to the fuel injection valve; a magnetostrictive element which drives the fuel pump; and a magnetostrictive element driving coil which drives the magnetostrictive element; and the magnetostrictive element driving coil also serves as a voltage elevation coil for a drive circuit which drives the piezoelectric element or the solenoid.

Abstract: A hand-held dispenser for precisely controlling the flow rate of water therethrough and for precisely controlling the metering of a liquid chemical into the water passing through the apparatus.

Abstract: A fuel injector in injection systems for internal combustion engines having a valve body containing a control chamber that can be pressure-relieved and can be acted on with fuel via an inlet throttle and can be pressure-relieved via an outlet throttle. A first actuator can actuate a closing element. The valve body is connected to a holding body that has a nozzle body connected to it, which encompasses an injection valve element. In order to relieve the pressure in the control chamber, an additional, second outlet throttle is provided, whose closing element can be actuated either by an additional actuator or as a function of the power supply to a double-switching actuator.

Abstract: A fuel injector having a pressure booster whose booster piston separates a working chamber, which is continuously acted on with fuel by means of a pressure source, from a differential pressure chamber that can be pressure-relieved; a pressure change in the differential pressure chamber occurs via an actuation of a servo-valve whose control chamber can be pressure-relieved by an on/off valve that also opens or closes a hydraulic connection of the differential pressure chamber to a first return on the low-pressure side. In the deactivated state of the pressure booster, a first sealing seat seals a return on the low-pressure side off from a high-pressure region of the servo-valve, which region is comprised of the control chamber, a first hydraulic chamber, and a second hydraulic chamber.

Abstract: A hose-end sprayer assembly connectable to at least one container of product to be dispensed has an elongated housing for a venturi tube assembly rotatable about its central axis and devised to selectively open and close a product inlet opening as well as its associated vent valve, an independently controllable liquid carrier valve being provided for opening and closing the carrier liquid flow through the venturi tube duct in the venturi tube assembly can be devised for opening and closing inlet product inlet openings of separately stored chemical products sequentially or simultaneously.

Abstract: Provided is a fire-fighting robot that can quickly start to fight a fire occurring at a hazardous location, which firefighters cannot access, and extinguish fires occurring at any location without receiving a supply of fire extinguishing water. The fire-fighting robot (1) of the present invention is self-propelled and remote-controlled via wireless or mobile communications to fight a fire. The robot includes one or more fire extinguisher storage portions (24a, 24b) for storing fire extinguishers (24c, 24d) which provide a jet of a fire-fighting agent from a jet outlet (26) by depressing a lever, a jet control portion disposed in the fire extinguisher storage portion (24a, 24b) for depressing the lever, and a jet outlet securing portion (26a) for detachably securing the jet outlet (26) of the fire extinguisher (24c, 24d).

Abstract: A portable, battery-powered sprayer for dispensing two liquid products at the same time includes first and second nozzles which receive first and second liquids and first and second air supplies. The nozzles are arranged to dispense the liquids at different flow rates, with different droplet sizes, and into different target zones. A low battery sensor prevents operation when the batteries have insufficient power to produce the intended flow rates and droplet sizes.

Abstract: In order to increase the lifetime for a piezoactuator of a fuel injector and to make possible a reliable seal of the piezoactor especially for comparatively thin head plates as well a gas exchange passage running through an actuator housing (52, 54) is provided, where a sealing unit (2) placed on the head arrangement (16, 18) is provided for sealing the piezoactor (12) which features a carrier (28) on which a sealing material (30) is arranged which forms a seal around the piezo contact pins (14) and the head arrangement (16, 18) and on which a microporous gas exchanger (26) to create gas permeability of the sealing unit (24) is integrated such that any fluid which has penetrated through to the gas exchanger (26) can flow out of the gas exchanger (26) under the force of gravity.

Abstract: The high-pressure multi-function head especially for water-cleaning machines comprises a first main body which exhibits a conduit for a washing liquid, extending along a longitudinal axis from an inlet to an outlet and a portion having a narrowed transversal section; a nozzle housed in the conduit; an auxiliary body inserted in the conduit and constituting a frustoconical seating for a front end of the nozzle; means for conveying the washing liquid interpositioned between the inlet and the portion having a narrowed transversal section and forming upstream of the nozzle at least one oblique jet with respect to the longitudinal axis in order to give the nozzle a rotating and conical motion with a vertex in the frustoconical seating; and means for regulating a trim of the head for translating the auxiliary body and the nozzle along the longitudinal axis between a retracted first operating position for obtaining a high-pressure rotating jet, an intermediate second operating position, for obtaining a high-pressure

Abstract: A spraying device comprises a spraying plate, having a plurality of tiny holes, a vibrating element, set on a periphery of the spraying plate, and driving a vibrating movement thereof, a wrapping layer, made of soft material and tightly surrounding the vibrating element, sealing the vibrating element from the liquid, and a fastening cap, allowing for quick mounting and dismounting of the spraying device; wherein the vibrating movement of the spraying plate causes liquid adjacent to a lower side of the spraying plate to be periodically compressed and thereby to be pressed through the holes of the spraying plate, and wherein the wrapping layer prevents external interference with the vibrating movement, at the same time minimizing transmission losses of vibrational energy, enhancing effectivity of spraying.

Abstract: An irrigation sprinkler unit includes a tubular housing enclosing a speed reducing drive which is driven by a water actuated turbine wheel and rotates a rotary nozzle head at a substantially slower speed. The drive also rotates a tubular valve member within an annular valve body within the housing, and the valve member and valve body have cooperating radial ports which automatically and continuously vary the flow rate of water through the housing for continuously varying the radial distance of a water stream discharged from the nozzle head.

Abstract: A cap with a suction type spray head includes an air guiding chamber, an intake passage, an outgoing passage, a liquid sucking mouth and an air pressure balancing aperture for a container with a sprayer. The liquid in the container can be sucked out due to air pressure difference between the sucking mouth and the interior of the container. The outgoing passage at the outer end thereof is a spraying outlet, which face the liquid sucking mouth so that the liquid out of the liquid sucking mouth is atomized with the air sprayed from the spraying outlet.

Abstract: A personal decontamination apparatus includes an adapter valve attachable to a water source for mixing water with a concentrated decontamination fluid for rapid detoxifying washing of the skin of a user exposed to toxic chemical, biological or nuclear radioactive substances.

Abstract: A portable aerosol fire-extinguisher has an elongate metal casing (3) with a handle (2) and an internal chamber (4) for housing a charge (5) of a solid substance which can be transformed, at a predetermined temperature, into an aerosol with flame-extinguishing properties, and which is delivered through an opening (7). An inflammable charge (13) which can be ignited by means of an activation element (14, 16) is provided for triggering the reaction of the extinguishing charge (5). The activation element can be operated manually in order to produce friction between the inflammable charge (13) and the activation element (14, 16), such as to bring about ignition of the inflammable charge (13).

Abstract: The invention relates to an improved mixing arrangement for, primarily, moving bitumen in steam from sources of such bitumen and steam to a reactor or coker for further processing of the bitumen into petroleum products. The invention provides a main conduit connected to an atomizing nozzle mounted in a wall of the reactor and first and second conduits for flowing bitumen and steam respectively into the main conduit. The first conduit is angled relative to the main conduit at an acute angle of about 45° and the second conduit is angled relative to the main conduit at an acute angle of about 30°. The second conduit is positioned upstream of the first conduit by a short distance of about 23 mm and may be angled radially relative to the first conduit by any angle, although a 90° angle is preferred.

Abstract: A device for diffusing volatile substances, particularly deodorants for vehicle interiors. The device comprises a container designed to contain a liquid volatile substance to be diffused, a wick disposed partially in the container and a lid applied to the container around one end of the wick. The lid comprises a cap provided with slots and mounted revolving with respect to the axis of the wick. Between the cap and the wick there is interposed an intermediate element integral with the lid. The intermediate element has a U-bolt structure and is provided with slots.

Abstract: A sprinkler head assembly includes a sprinkler head body, a frame including a pair of arms extending from the body from opposed sides of the body, and a deflector mounted to the frame spaced from the outlet opening of the sprinkler head body for deflecting fire extinguishing liquid flowing from the outlet opening. The sprinkler head assembly is adapted to direct a greater proportion of the fire extinguishing liquid from one side of the sprinkler body than the other side of the sprinkler body.

Abstract: A hand-held sprayer for bathroom capable of solving such a problem that an installation space for a sprayer is required at one corner of a bathroom, wherein a flow passage is formed in a casing (1), a spray nozzle (39) is connected to the tip of the flow passage, and the tip of the spray nozzle (39) is projected from the casing (1), whereby the conventional sprayer can be eliminated by fitting the hand-held sprayer to the feed water means of existing shower equipment (S), i.e., to the tip of a flexible tube (T).