Abstract: A water nozzle with a flow head is provided with at least two separate water supply devices that supply, in a controllable fashion, different water volume flows to the flow head. The flow head generates an annular jet from the different water volume flows. By controlling the water volume flows, alternatively a slim annular jet or a widened annular jet is generated by the flow head. A deflection element with a central outlet opening is provided, wherein the central outlet opening is arranged in a flow direction of the annular jet downstream of and spaced apart from the flow head. A deflection device surrounds the central outlet opening. A diameter of the central outlet opening is designed such that the slim annular jet is able to pass through the central outlet opening while the widened annular jet impacts on the deflection device surrounding the central outlet opening.

Abstract: A liquid perfume diffuser includes a perfume bottle holding a liquid perfume, an inner cap threaded onto the perfume bottle, a rotary cover rotatably capped on the inner cap for pressing and rotating by the user to move the inner cap relative to the perfume bottle between a close position and an open position, so that when the perfume is opened, the liquid perfume can then be absorbed by a liquid-absorbing material in the rotary cap, enabling the pleasant smell of the liquid perfume to be slowly and naturally released into the outside open air through a capillary effect.

Abstract: A deluge fire protection system for tunnels having vehicle traffic including a main water supply pipe and a horizontal spray nozzle arrangement. The horizontal spray nozzle arrangement includes a nozzle device having an inlet portion defining an internal diameter and an external nominal diameter. The horizontal spray arrangement includes a coupling arrangement between the main water supply and the nozzle device. The coupling arrangement defines a multi-direction flow path between the main water supply and the nozzle device. The multi-direction flow path has an effective length of at least eight times a diameter of the inlet portion, and a cross-sectional area along the effective length greater than the cross-sectional area defined by a diameter of the inlet portion of the body of the nozzle device. The coupling arrangement provides for water delivery to the nozzle device at a working pressure ranging from about 10 psi. to about 30 psi.

Abstract: A welding additive for electric arc welding and laser beam welding of mixed joins composed of austenitic and high-manganese-containing and ferritic steel, where the high-manganese-containing steel has a manganese content of at least 7-30% by weight includes the following alloy elements in % by weight: C 0.04-1.0; Mn 7-30; Si?6; Al?4; Mo?2; Ti?0.5; Zr 0.01-01; B 0.001-0.01; P<0.005; S<0.002; N<0.008; balance iron and unavoidable steel accompanying elements.

Abstract: A fire protection sprinkler that includes a body defining an internal passageway extending along a sprinkler axis between an inlet end and an outlet end to define a passageway length and a nominal K-factor greater than 16. A deflector is supported and spaced from the outlet end by a pair of support arms. The sprinkler includes means for allowing a flow of water from the outlet end of the body. The means includes a closure assembly having a body defining a blind bore and a thermally responsive glass bulb. The glass bulb has a first end disposed within the blind bore defining a first seat diameter and a second end defining a second seat diameter. The glass bulb has a bulb length that is greater than the length of the internal passageway and a maximum wall thickness less than the difference between the bulb length and the passageway length.

Abstract: A hot fluid preparation unit for a fully automatic coffee machine is specified. With the goal of reducing the heating-up time of a fluid, the solution according to the invention provides that the hot fluid preparation unit has a temperature control device, a fluid heating arrangement, a rectifier circuit and a power semiconductor switching device. The rectifier circuit is connected at an input of the rectifier circuit to an AC voltage supply and at an output of the rectifier circuit, via the power semiconductor switching device, to the fluid heating arrangement. The power semiconductor switching device is designed in a controllable manner such that it selectively switches through the output of the rectifier circuit to the fluid heating arrangement. The temperature control device is configured to control the power semiconductor switching device in a pulsed manner, in order thus to perform a temperature adjustment.

Abstract: A water output device having ultrasonic pulverizing function comprises a shower main body, which includes a decoration box, detachably embedded in the shower main body, or forming with the shower main body into a body; and an ultrasonic pulverizing device, disposed in the decoration box. The ultrasonic pulverizing device includes: a water box, with its upper portion provided with a water input port, and with its lower portion provided with a water output port; an ultrasonic wave generator, fixed to a water output port at a lower portion of the water box through a fixing block, and having a web-shape structure inside, for allowing small particles of water mist to pass through; and a control device, disposed at a side of the water box, and including a power source module, a charging module, a vibration circuit module.

Abstract: A sprinkler with adjustable fan angle of water sprayed is revealed. The adjustable fan angle of water sprayed means a fan area of the water sprayed is adjusted and changed. The sprinkler includes a housing, a receiving seat and a sprinkler head. The sprinkler head consists of a base seat, a collar member and an adjustment member. The fan angle of the water sprayed can be manually operated and changed by rotating the adjustment member.

Abstract: According to various embodiments, a system includes a gasification fuel injector. The gasification fuel injector includes a tip portion, an annular coolant chamber disposed in the tip portion, a recessed surface for cooling control and a first structural support extending through the annular coolant chamber. The first structural support divides the annular coolant chamber into a first passage and a second passage.

Abstract: A fuel injector for an internal combustion engine includes: an electromagnetic actuating element having a solenoid coil, a core and a valve casing as the outer solenoid circuit component, and a movable valve-closure body, which cooperates with a valve-seat surface assigned to a valve-seat body. The core and a connection pipe are fixedly connected in an inner opening of a thin-walled valve sleeve and the valve casing at the outer circumference of the valve sleeve is fixedly connected to the valve sleeve by being pressed in/on.

Abstract: According to one aspect, a fire extinguisher includes a fire extinguisher reservoir and a fire extinguisher outlet burst disc that forms a discharge barrier between the fire extinguisher reservoir and a discharge head to retain a pressurized fire extinguishing agent within the fire extinguisher reservoir. The fire extinguisher actuator assembly includes a cutter positioned within the fire extinguisher proximate the fire extinguisher outlet burst disc. The fire extinguisher actuator assembly also includes a motorized activation device having a drive shaft. The motorized activation device is operable to rotate the drive shaft and push the cutter to pierce the fire extinguisher outlet burst disc, thereby releasing the pressurized fire extinguishing agent through the discharge head.

Abstract: A nozzle foil (12), for a nozzle bar (10) of a textile processing machine, having a plurality of nozzle openings (16) arranged in one or more rows (40) in a longitudinal direction L. The nozzle foil (12) consists of at least two adjacent foil segments (25) that can be mechanically connected with each other in a form-fitting manner. With the connection established, the upper sides (15) and the undersides (17) of the foil segments (25) are in a common plane. To accomplish a form-fitting connection, connecting means (27) provided on one foil segment (25) interact with opposing connecting means (28) of the other foil segment (25). The connecting means (27) and the opposing connecting means (28) are integral components of the respective foil segment (25) and preferably are manufactured at the same time as the respective foil segment (25) and consist of the same material as the respective foil segment (25).

Abstract: Container assemblies (100) that transition between a sealing state and a retained venting state are described. The container assemblies each include a body portion (110) having an open end (113), and a lid portion (120) adapted to cover the open end of the body portion to create an enclosed volume, e.g. reservoir, and additionally comprise a venting feature (140). When the fluid pressure within the enclosed volume is less than a threshold pressure, the lid portion is in a sealing state such that the lid portion and the body portion cooperate to maintain a substantially fluid-tight seal against fluid leaving the enclosed volume. When the fluid pressure is greater than or equal to the threshold pressure, the lid portion is in a retained venting state such that the excess fluid pressure from the enclosed volume vents through the venting feature while retaining the lid portion on the body portion.

Abstract: A fire suppression system includes at least one first gas source containing an inert gas, at least one second gas source containing an organic halide gas, a distribution network connected with the first gas source and the second gas source to distribute the inert gas and the organic halide gas, and a controller. The distribution network includes a common manifold, input lines connecting the first gas source and the second gas source with the common manifold, output lines leading from the common manifold, and flow control devices. The controller is in communication with the distribution network and configured to distribute the inert gas responsive to a fire threat signal and determine whether to distribute the organic halide gas based upon a location of a fire threat.

Abstract: Extinguishing a fire by pressurizing a tank containing an extinguishing liquid. According to the invention, the tank containing the liquid is provided with an expulsion outlet at a front end, a gas generator (17) is installed at a rear end, and a diaphragm forming an inflatable bag (19) is installed inside the tank, being folded prior to triggering in a confinement space at the front of the gas generator, the outlet from the generator being associated with a deflector (47) including a rearwardly-directed ejection passage (49).

Abstract: A laser system includes a laser configured to emit pulse bursts and a motion device in optical communication with the laser. The motion device moves a laser beam along a process path on a substrate and is configured to have a natural frequency that is greater than an operating frequency of the laser system. The laser system enables high and constant speed processing along tight radii in the process path, which is useful to form laser induced channels along the process path with equal spacing.

Abstract: The invention relates to an assembly, in particular a play fountain, comprising a floor (1), a plurality of nozzles (2), preferably a reservoir for a liquid, in particular water, or means to connect the assembly to a liquid supply, and a control system (3) for controlling one or more of the nozzles (2) during operation of the assembly. The floor (1) is assembled modularly.

Abstract: A microwave oven having a cabinet, a door, a programming interface, a magnetron tube that capable of being dynamically controlled, a controller configured to control the magnetron tube, and a microwave generating system is described. A method of dynamically controlling the magnetron tube in the microwave oven by utilizing a magnetron power supply is also described. By monitoring a current to the magnetron power supply, determining the current to the magnetron power supply at which the magnetron tube conducts, calculating a time base, and adjusting the time base as the power level required is increased, the control produces consistent power when the magnetron tube is cycled at less than a 100% power level and to compensate for a slow start of the magnetron tube during a short cook cycle.

Abstract: A low-flow emitter includes a rotatable cap and a body. The rotatable cap has a threaded hole and a receiving chamber communicating with the threaded hole. The wall of the receiving chamber has plural grooves, which are annularly arranged in a spaced manner around the threaded hole. The body has a shaft. The shaft has an external thread and a flexible rib adjacent to the external thread and is connected to the rotatable cap by threaded connection between the external thread and the threaded hole such that the flexible rib is engaged in one of the grooves. When the rotatable cap is rotated to adjust the amount of water delivered by the low-flow emitter, the area of contact between the grooves of the rotatable cap and the flexible rib of the body stays unchanged, allowing the rotatable cap to produce a consistent feel to the operator.

Abstract: The direct-injection spraying device, in particular for an agricultural vehicle, according to the invention includes a main tank, at least one spray boom, and a circuit connecting the tank to the boom. comprises: The circuit includes a main pump and a bypass for controlling the flow rate in the boom in accordance with the traveling speed of the vehicle. At least one active substance store is connected to the circuit by a metering pump. The device further includes a cyclone mixer capable of receiving, as input, the liquid from the main tank, and the pressurized liquids coming from the active substance store, and capable of eliminating the boom as output.