Abstract: A showerhead with massage function is provided, which includes a showerhead water outlet tray and a water inlet seat. The showerhead water outlet tray is provided with a water outlet chamber, a bottom surface of the water outlet chamber is provided with a plurality of water outlet holes. The water inlet seat is provided on a top surface of the showerhead water outlet tray and communicated with the water outlet chamber. A top of the water inlet seat is provided with a water inlet joint connected to an external water source, and a water outlet nozzle is penetrated through the water outlet holes. A middle of the water outlet nozzle is provided with a joint that cooperates with inner walls of the water outlet holes to render the water outlet nozzle to swing in the water outlet hole and swing around the joint as a center.

Abstract: The present disclosure discloses a spray gun configured for switching between spray modes of the spray gun, which includes: a water inlet pipe, a regulating four-way valve with a regulating core, a movable handle, a gun rod, and a nozzle assembly, wherein the regulating core is arranged in an inner cavity of the regulating four-way valve, the water inlet pipe is arranged at one end of the regulating four-way valve, and one end of the gun rod is arranged at another end of the regulating four-way valve; the nozzle assembly is arranged at another end of the gun rod; the movable handle is connected to two ends of the regulating core; and the nozzle assembly includes a nozzle seat, a nozzle sheath and a linear nozzle, and the nozzle seat includes a linear nozzle seat and a porous nozzle seat.

Abstract: A pressurised sprayer, including a tank, the tank including a main body, a head region and a plunger for manually pressurising the tank. The pressurised sprayer also includes a compressed air inlet for automatically pressurising the tank with air from outside, a pressure relief valve, a compressed flow outlet, and a removable, external compressor module that is independent of the tank, the compressor module for its part including an air compressor and a battery for supplying the air compressor with electricity, the compressor module being connected to the compressed air inlet, the compressor module being secured to the sprayer. The pressurised sprayer where the compressed air inlet includes a valve stem, the valve stem for its part being a non-return valve, and the compressor module being connected to the valve stem via a hose having a connection head.

Abstract: Disclosed are an extinguishing capsule and a capsule type fire extinguisher including the same, the capsule type fire extinguisher including at least one extinguishing module including a housing configured to receive an extinguishing capsule therein, the extinguishing capsule including an extinguishing material that expands when heat is applied thereto, the at least one extinguishing module configured to release the extinguishing material from the housing to suppress fire, and a main module configured to control the at least one extinguishing module and bidirectionally communicate a fire situation to a fire station or a user terminal.

Abstract: The present disclosure relates to a fluid discharging assembly. The fluid discharging assembly includes a rotatable driving mechanism having at least two rotating eccentric shafts oppositely disposed about a center axis of the driving mechanism. The fluid discharging assembly includes a first slider having a first shaft hole coupled to a first of the at least two eccentric shafts and a second slider having a second shaft hole coupled to a second of the at least two eccentric shafts. The first slider includes a first through hole that receives a first fluid discharging pipe and the second slider includes a second through hole that receives a second fluid discharging pipe. The first fluid discharging pipe rotates at a first rotation by a rotation of the first slider and the second fluid discharging pipe rotates at a second rotation by a rotation of the second slider.

Abstract: A switchable water-saving valve including a water inlet substrate formed as an annular body which has a housing and a water inlet portion. The water inlet portion is fixedly arranged within the housing and has a water inlet and a water outlet extending therethrough. A flow channel substrate is fixedly arranged within the housing below the water inlet portion. Guide holes are formed circumferentially at intervals on the flow channel substrate and extend therethrough and are in fluid communication with the water outlet. A switch holder is rotatably positioned below the flow channel substrate. First and second pluralities of water flow holes are arranged circumferentially in the top surface of the switch holder and penetrate the top surface. Water outlet holes are formed on the bottom surface of an aerator holder and are in fluid communication with the first water flow holes.

Abstract: A body member (110) of a coolant medium spray device (100) is attachable to a main shaft (10) of a machine tool. A rotating part of a pump (300) is connected to the body member. The body member and the rotating part are rotatably supported within an interior space of a support part, which may be constituted by a cover (210), a case (220) and a ring member (225). When the body member is attached to the main shaft, the support part is also fixed to the machine tool so that the support part is non-rotatable relative to the machine tool. In this state, cooling medium that is being supplied via the main shaft is pressurized by the pump and then sprayed out of a spray port (242) of a nozzle (240) that is mounted in a nozzle mounting hole (231) of a cap (230) affixed to the support part.

Abstract: Disclosed is a multipurpose shower head which can spray different amounts of water at different pressures through water spreading holes formed in three different portions thereof only by a simple operation of a lever, so that the use of a product can be very flexibly diversified according to a necessary purpose. Since the multipurpose shower head can very flexibly diversify the use of a product according to a necessary purpose, the multipurpose shower head can maximize the use convenience of the product and remarkably enhance the use satisfaction and value of the product. Moreover, purchase of only one shower head enables a user to not only take a shower, wash his or her mouth or use a bidet function, but also clean a bathroom without any problem. Therefore, the present invention can significantly reduce even the burden of purchasing a washing item of a bathroom cleaning item.

Abstract: A showerhead is disclosed including a first nozzle, a second nozzle, and a massage mode assembly in fluid communication with a fluid inlet, the first nozzle and the second nozzle. The massage mode assembly includes a turbine, a cam coupled to the turbine defining a dwell edge that extends between a leading corner and a follower corner, and a shutter movably coupled to the cam, where movement of the turbine causes the cam to drive shutter between a first position covering the first nozzle and opening the second nozzle and a second position opening the first nozzle and covering the second nozzle.

Abstract: A sprinkler device 200 for a fire suppression system 10, the sprinkler device 200 including: a sprinkler bulb 100 comprising a first antenna. The sprinkler device 200 also includes a second antenna 220 for communicating with the first antenna of the sprinkler bulb 100, and a base plate 230, wherein the second antenna 220 is disposed within the base plate 230.

Abstract: A protective device prevents tampering with a pipe system. The system transmits fluid from an upstream end to a downstream end of the system. The protective device includes a pipe insert disposed within the system between the upstream and downstream ends, and a valve within the pipe insert. The valve is moveable between open and closed positions, wherein the open position opens the pipe insert, enabling transmission of the fluid through the pipe insert, and the closed position occludes the pipe insert, disabling transmission of the fluid through the pipe insert to the downstream end of the system. The device includes a sensor for disposition within the fluid to detect a target compound in the pipe insert. The valve moves from the open position to the closed position when the sensor detects the target compound.

Abstract: A rotating sprinkler for irrigation is disclosed. The sprinkler can include a stator spaced upstream from a turbine to form a mixing region therebetween. The stator can define a primary flow path and a bypass flow path. The primary flow path is aligned relative to the plurality of blades so that water exiting the primary flow path traverses the mixing region and impinges on the plurality of blades at a first angle of attack. The bypass flow path is aligned relative to the primary flow path so that water exiting the bypass flow path intersects the water exiting the primary flow path in the mixing region to cause the water exiting the primary flow path to impinge on the plurality of blades at a second angle of attack. The sprinkler can further include a valve configured to regulate flow between the primary flow path and the bypass flow path.

Abstract: A jetting valve with two stage calibrating structures is disclosed, the jetting valve includes: a casing having an accommodating space; a piezoelectric actuating unit disposed on one side of the accommodating space; a spraying unit disposed on the other side of the accommodating space; a displacement amplifying element is arranged at the bottom of the accommodating space and leans against on the spraying unit, the bottom end of the piezoelectric driving unit is in contact with the displacement amplifying element; a sensing unit is arranged on the periphery of the displacement amplifying element to sense the movement of the spraying unit; a control unit, connected to the sensing unit and the piezoelectric actuating unit, adjusting the voltage supplied to the piezoelectric driving unit according to data obtained by the sensing unit; and a liquid supply unit connected to the spraying unit.

Abstract: An adjustable arc irrigation spray nozzle can include one or more features including a dual orifice, a multi-trajectory ramp, radial ribs, an impedance wall, and/or a variable orifice.

Abstract: Automatic dry sprinkler assemblies for fire protection systems. Preferred embodiments of the automatic dry sprinkler assemblies include a tubular outer housing having an inlet, an outlet opening, and an internal surface configuration proximate the outlet opening that defines an internal landing surface and a cantilevered centering wall. A fluid deflection member is spaced from the outlet opening along a fluid flow path of the assembly. A fluid control assembly disposed within the outer housing for axial translation from an unactuated state to an actuated state of the sprinkler assembly to control fluid flow from the inlet to the outlet for fluid discharge along the fluid flow path to the deflection member. The internal landing surface and cantilevered centering wall are axially spaced from one another proximate the outlet opening to circumscribe and confront components of the fluid control assembly to facilitate centering and axial translation of the fluid control assembly.

Abstract: A showering apparatus with spray holes each accommodating multiple spray patterns includes a main body, a control assembly, and a plurality of selector discs. The main body includes an outlet disc having the spray holes, a water passage plate, and an outlet chamber defined by the both. The selector disc is fit in the outlet chamber and has at least two pattern units for providing different spray patterns. The control assembly is transmissively connected to each of the selector discs to drive each of the selector discs to rotate, so that each of the pattern units in every selector disc is selectively communicated with spray hole corresponding to the selector disc.

Abstract: A spray head includes a front cover, a spray plate, and an actuator. The front cover includes a plurality of exit openings. The spray plate is oriented substantially parallel to the front cover. The spray plate includes a pin that is aligned with at least one exit opening of the plurality of exit openings. The pin is configured to selectively engage with the at least one exit opening to control a flow of water through the at least one exit opening. The actuator is coupled to the spray plate and is configured to reposition the spray plate relative to the front cover based on user input.

Abstract: A shower head is supplied with an annular airflow which surrounds a column of water travelling through a chamber to produce a suspension of water droplets in air, the diameter and length of the chamber and the diameter of the water column are selected in combination with the fluid flow parameters to operate the shower within a defined parameter space corresponding to the non-axisymmetric Rayleigh breakup regime, where the water column remains intact and spaced apart from the chamber wall for the entire length Lc of the chamber, where the airflow perturbs the water column within the chamber causing it to disintegrate into droplets downstream of the chamber outlet, and where multiple chambers are moulded on non-parallel axes with elastomeric linings facilitating withdrawal of the mould tool.

Abstract: A broadcast spreader broadly comprising a frame, a hopper, an impeller, a set of wheels, and an electric hub motor. The hopper is supported by the frame and configured to hold a particulate material. The impeller is rotatably connected below the hopper and is configured to receive the particulate material from the hopper and spread the particulate material over a surface. The wheels are rotatably connected to the frame for traversing the surface. The electric hub motor is at least partially positioned in one of the wheels and configured to drivably engage the one of the wheels to propel the hopper along the surface.

Abstract: The disclosure discloses an integrated shower arm, including an arm body, a diverter spool and a shower head holder. The arm body is bent. An upper part of the arm body is provided with an overhead shower coupling, a lower part of the arm body is connected to a shower head holder, and a middle part of the arm body is provided with a diverter seat. The diverter seat is provided with a water inlet port and a diverter duct, and a spool body of the diverter spool is rotatably inserted into the diverter duct and controls whether water comes out of the overhead shower coupling or a handheld connecting port. The disclosure is good in integrality and small in size and can be used for holding a shower head.