Abstract: A sprayhead that includes a body and first and second diverters. The body has an inlet for receiving a fluid; first, second, and third chambers; and first, second, and third outlets for dispensing the fluid in first, second, and third modes, respectively. The first diverter moves between a first position wherein the second chamber fluidly connects to the inlet and the first chamber fluidly disconnects from the inlet and a second position wherein the first outlet fluidly connects to the inlet through the first chamber and the second chamber fluidly disconnects from the inlet. The second diverter moves between a first position wherein the second outlet fluidly connects to the second chamber and the third chamber fluidly disconnects from the second chamber and a second position wherein the third outlet fluidly connects to the second chamber through the third chamber and the second outlet fluidly disconnects from the second chamber.

Abstract: A temperature monitoring apparatus includes a temperature sensor and a control circuit. The temperature sensor detects a temperature of a piping system, such as a temperature of water in the piping system. The control circuit includes one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the control circuit to determine whether water in the piping system is expected to freeze based on the indication of the temperature, predict whether a valve tripping event is expected to occur based on determining that the water in the piping system is expected to freeze, and in response to predicting that the valve tripping event is expected to occur, provide a prediction that the valve tripping event is expected to occur for remedial action.

Abstract: An ultrasonic water jet apparatus includes a water accumulation part in which the water supplied from a water supply source is temporarily accumulated, a jet port that jets the water accumulated in the water accumulation part, and a piezoelectric vibration plate including a dome part that is disposed opposed to the jet port in the water accumulation part and propagates the ultrasonic vibration to the water accumulated in the water accumulation part, a flange part that projects outward in the radial direction from a peripheral edge of the dome part, and an annular plate that projects outward in the radial direction from a peripheral edge of the flange part.

Abstract: A sprayer includes: a container arranged to contain liquid; a passage including a transparent window, a first opening, a second opening and a resonator, wherein when the liquid in the container is passed through the resonator via the first opening, the liquid is emitted as a gas via the second opening; and a detection unit disposed outside of the passage. The detection unit includes: a light source disposed to emit light through the light transparent window for illuminating the gas in the passage such that the gas will reflect the emitted light; an optical sensor disposed to detect a parameter of the reflected light through the transparent window; and a processor coupled to the optical sensor for stopping the resonator from generating the gas when the parameter of the reflected light is below a first threshold corresponding to a specific level of liquid within the container.

Abstract: A valve includes an electromagnetic actuator, which has an armature in an armature space and guided on a valve needle operable by the actuator using the armature. A first and a second stop element that interact with a first and second end face, respectively, of the armature are situated on the valve needle. The armature has a spring receptacle, which is open towards the first end face of the armature, and into which a spring is inserted. The armature has at least one fluid channel, which, during operation, allows fluid to pass through between first and second regions of the armature space at the first and second end faces, respectively, of the armature. The fluid channel incorporates at least part of the spring receptacle. Sections of the fluid channel run radially outwards along a direction oriented from the first to the second end face and coaxial to a longitudinal axis.

Abstract: A method for emitting a fluid from an aerial fluid dispersal system includes emitting the fluid from a plurality of individually controlled nozzle assemblies distributed across a manifold assembly. The method also includes receiving, at a controller, an input associated with a desired droplet size of the fluid emitted from each respective nozzle assembly and determining, by the controller, a target differential fluid velocity for each respective nozzle assembly based on the desired droplet size. The method also includes regulating, using the controller, the velocity of the fluid exiting each respective nozzle assembly to produce the target differential fluid velocity from each respective nozzle assembly.

Abstract: A dry sprinkler assembly capable of providing fire suppression protection, including early suppression fast response protection and storage protection of a commodity having a nominal storage height of at least 20 feet beneath a ceiling of with a maximum nominal 40 foot ceiling height. The dry sprinkler assembly includes an internal passageway and an outlet defining a nominal K-factor of at least 16.8 GPM/PSI1?2. Embodiments of the sprinkler assembly include a deflector having a plurality of tines radially disposed about a central portion to define slots therebetween. Embodiments of the deflector define a non-planar deflecting member and a member with a non-circular perimeter. Installation of the sprinkler assembly provides for a insulation sealing assembly having a insulation ring, planar insert member and a surrounding housing.

Abstract: A nozzle body has an injection hole configured to inject fuel and a fuel passage connecting to the injection hole. A needle is configured to open and close the fuel passage to switch between fuel injection from the injection hole and stop of the fuel injection. An injection hole axis is an imaginary line extending along a center of the injection hole. An injection hole perpendicular cross section is a cross section of the injection hole perpendicular to the injection hole axis. The injection hole perpendicular cross section has a flat shape. The injection hole perpendicular cross section has an area that gradually expands from an inlet of the injection hole to an outlet of the injection hole while maintaining a similar shape.

Abstract: A liquid ejection device includes: a nozzle through which a liquid is ejected; a liquid transporting pipe coupling to the nozzle; a pulsation generator configured to change a volume of a liquid chamber coupling to the liquid transporting pipe; a pump configured to send a liquid to the liquid transporting pipe; and a control unit configured to control driving of the pulsation generator and the pump. The control unit drives the pulsation generator and the pump such that Vf/Q is 0.3 or more, in which V [mm3] is a volume change amount of the liquid chamber, Q [mL/min] is a flow rate of a liquid to the liquid transporting pipe by the pump, and f [kHz] is a frequency at which the pulsation generator applies a pulsation to a liquid.

Abstract: A cover plate is configured to be releasably connected to a concealed fire protection sprinkler to conceal the fire protection sprinkler. The cover plate includes a first layer of metal on a first side of the cover plate that faces the concealed fire protection sprinkler, and a second layer of metal on a second side of the cover plate, the second side being opposite to the first side. The second layer of metal is more resistant to corrosion than the first layer, and is bonded to the first layer. In addition, the first layer is more thermally conductive than the second layer.

Abstract: A reversible paint spray tip, including a barrel portion configured to be inserted into a barrel bore of a tip holder, and a tip flag portion attached to the barrel portion and positioned generally transversely of the barrel portion. The tip flag portion includes a handle portion defining a handle axis, integrally formed with a first end of the tip flag portion, and an alignment portion defining an alignment axis, integrally formed with a second and opposing end of the tip flag portion. The handle axis and the alignment axis are non-collinear and intersect at an angle relative to the handle portion to prevent interference of the handle portion and barrel portion with one or more guards of the tip holder when the alignment portion is positioned in the barrel bore while in an alignment position.

Abstract: A fluid dispensing device has a spool valve in a dispenser housing with a spool in a spool housing and a spool wall around the spool housing with entrance and an exit openings defined therethrough; an entrance channel in the dispenser housing proximate to the spool wall entrance opening; a force applying element in the entrance channel that applies force against the spool wall with entrance and exit ends with the exit end proximate to the spool wall; a hose adapter fitting with an entrance end extending out from and an exit end extending into the entrance and contacting the force applying element with a flow passage extending through it; and fluid communication through the hose adapter fitting flow passage through the force applying element and into an entrance opening in the spool wall; where the force applying element defines a tortuous path through which fluid must travel.

Abstract: A fluid system includes a ratio controller. The ratio controller includes a housing, a nozzle, and a diffuser. The housing defines a mixing chamber, a first inlet positioned at a first end of the mixing chamber, an outlet positioned at an opposing second end of the mixing chamber, and a second inlet positioned at a location around a periphery of the mixing chamber between the first inlet and the outlet. The first fluid is configured to receive a first fluid input. The second inlet is configured to receive a second fluid input. The nozzle includes a nozzle inlet positioned proximate the first inlet and a nozzle outlet positioned within the mixing chamber. The diffuser extends from the outlet and outward from the housing. The diffuser includes a diffuser inlet positioned within the mixing chamber.

Abstract: A water display including a number of pixels or manifolds that may include water nozzles to emit streams of water and/or other utilities such as lighting is described. The water streams may be pixelated so as to provide a high resolution waveform or other choreography. The choreography transitions between waveforms to provide the appearance of a cascading or undulating wave. A tool to design the water display and simulate its appearance is also described.

Abstract: A vacuum monitoring and mitigation system is described. Embodiments of the vacuum monitoring and mitigation system can be implemented in a combined-use vacuum system to help mitigate high oxidizer levels that may damage vacuum pumps of the combined-use vacuum system. The vacuum monitoring and mitigation system can determine when an oxidizer level is above a predetermined threshold and introduce a mitigating gas into the combined-use vacuum system to lower the oxidizer level.

Abstract: In one embodiment, an inventory storage system has at least one storage module and a fire suppression system. The storage module has upper and lower conveyor segments that are configured to move storage containers along a longitudinal direction, and first and second connecting conveyor segments that are disposed at the first and second module ends, respectively. Each connecting segment connects the upper and lower conveyor segments to one another such that the upper and lower conveyor segments and the first and second connecting conveyor segments together define a movement path having a closed shape. The storage module defines a gap between storage containers supported by the upper and lower conveyor segments. The fire suppression system has at least one spray nozzle that is laterally adjacent to the gap and that is configured to spray a liquid extinguishant into the gap and onto storage containers supported by the lower conveyor segment.

Abstract: This invention refers to an optimized structure of a high flow fuel dosing valve applied to automobiles in general, particularly to high power racing cars with the purpose of opening and closing an orifice for fuel injection in internal combustion engines for power gain through an innovative and improved mechanical constructiveness of the coil body (1), coil (2), spring (3), needle (4), guide ring (5), lock (6), seat (7), sieve (8), needle body (9) and o-ring (10), with advantages of greater and faster fuel flow, durability, efficiency and power gain.

Abstract: Provided is a high-frequency ultrasonic atomizer structure, comprising a main machine and a master frequency ultrasonic atomizer connected to the main machine. The master frequency ultrasonic atomizer comprises an outer sleeve, an upper cover and a base that are respectively and detachably connected at upper and lower ends of the outer sleeve, an inner tube support body and an ultrasonic atomization unit that are successively arranged inside the outer sleeve, and a liquid storage chamber formed between the inner tube support body and an inner wall of the outer sleeve. The upper cover and the inner tube support body form an air flow chamber therebetween. The master frequency ultrasonic atomizer further comprises a suction tube in communication with the interior of the air flow chamber arranged on the upper cover, and a plurality of air inlet holes in communication with the interior of the air flow chamber.

Abstract: A fluid dispensing apparatus and liquid container with a fluid dispensing apparatus are provided. The fluid dispensing apparatus includes a valve body defining a bore that extends at least partially through a valve body, and an adaptor including a piercing member positioned to pierce a pierceable membrane enclosing the liquid container. The adaptor also includes a releasable fastener that cooperates with a portion of the liquid container to releasably couple the valve body to the liquid container. A liquid droplet production apparatus of the fluid dispensing apparatus controls a discharge of the liquid from the liquid container. The liquid droplet production apparatus includes a perforate membrane, and an actuator that is selectively operable to vibrate the perforate membrane and cause liquid droplets to be emitted from the perforate membrane and projected generally away from the liquid container.

Abstract: An apparatus of supplying a fire extinguishing agent to a high voltage battery pack of a vehicle when a fire occurs in a battery case installing a high voltage battery pack includes a fire detection device that is configured to detect an occurrence of the fire in the battery pack, an inflow plug which is formed at the battery case and is configured to allow the fire extinguishing agent to flow into the battery case when open, a fire extinguishing agent supply pipe connected to the inflow plug and guiding the fire extinguishing agent to the inflow plug, and an inflow plug opening device that is configured to open the inflow plug when the fire is detected in the fire detection device.