An apparatus or method for generating a microfoam, the apparatus comprising a channel having an inlet and an outlet, a source of foamable liquid and pressurised gas arranged to feed into the inlet, wherein the channel is comprised of a spatially oscillating flow channel to provide an oscillating flow direction, the spatially oscillating flow channel oscillating about a bulk flow direction, the spatially oscillating flow channel providing a sequence of planar cross-sections perpendicular to the flow direction, with a sub-sequence of planar cross-sections that are perpendicular to the bulk flow direction in the plane in question, the sub-sequence comprising at least one plane that does not overlap with at least one other plane in the sub-sequence.

Apparatus for generating a mist comprising a conduit having a mixing chamber and an exit; a transport nozzle in fluid communication with the said conduit, the transport nozzle being adapted to introduce a transport fluid into the mixing chamber; a working nozzle positioned adjacent the transport nozzle intermediate the transport nozzle and the exit, the working nozzle being adapted to introduce a working fluid into the mixing chamber; the transport and working nozzles having an angular orientation and internal geometry such that in use interaction of the transport fluid and working fluid in the mixing chamber causes the working fluid to atomize and form a dispersed vapor/droplet flow regime, which is discharged as a mist from the exit, the mist comprising working fluid droplets having a substantially uniform size.

A device for nebulising a rinsing liquid having a housing and a propellant gas connection, which can be connected to a propellant gas reservoir, and includes a rinsing liquid connection, which can be connected to a rinsing liquid reservoir. There is a mixing chamber and a propellant gas flow path, which connects the propellant gas connection to the mixing chamber, and a propellant gas conveying device, by means of which propellant gas can be fed to the mixing chamber under overpressure. There is also a rinsing liquid flow path, which connects the rinsing liquid connection to the mixing chamber. Nebulised rinsing liquid can be discharged as rinsing fluid from a rinsing fluid discharge connection, which is connected to the mixing chamber. An active rinsing liquid conveying device is provided, by means of which rinsing liquid can be conveyed to the mixing chamber under overpressure.

A hair care device includes a sprayer disposed inside the housing. The sprayer includes a tank that stores therein liquid, two-fluid nozzle that discharges atomized liquid, a liquid feed pump that feeds liquid from the tank into two-fluid nozzle, and an air pump that is connected to two-fluid nozzle. Two-fluid nozzle includes first orifice unit for mixing the liquid from liquid supply channel with the air from air supply channel to atomize the liquid, and mist release port for discharging the liquid atomized in first orifice unit. Second orifice unit having an inner diameter larger than the inner diameter of first orifice unit is provided between first orifice unit and mist release port.

The present invention relates to a device for the delivery of a mist of a dose of an ophthalmic liquid, including a housing with a holding chamber having a discharge opening for holding the dose of liquid to be delivered, a pump for pumping, via a dose supply conduit, the dose of the liquid to the holding chamber, the pump being connected with a container containing a plurality of the doses, and an air flow conduit for supplying a flow of air to the holding chamber so as to force the dose delivered by the pump to the holding chamber out through the discharge opening.

Provided is a spray head structure (1), comprising an airflow pipe (10), a rotary member (30), a load member (70), a tan component (100), a spoiler pipe (41) and a liquid flow pipe (50), wherein the rotary member (30) is rotatable sleeved on the airflow pipe (10), the load member (70) is mounted at the rotary member (30) to increase the load so as to improve the torsion of the rotary member, the fan component (100) is mounted at the rotary member (30). the spoiler pipe (41) is fixedly arranged on the rotary member (30) and is provided with a spoiler channel (41) in communication with the airflow pipe (10), and the spoiler channel (41) is provided with an outlet end (411), and an injection path forming an acute angle 0 with the axis of the airflow pipe (10), Gas at a high flow rate enables the spoiler pipe to drive the rotary member to rotate relative to the airflow pipe, such that the fan component is driven to rotate to form an airflow, so that the air flow can flow from the fan component to the outlet end to improve the atomization effect thereof, or can flow from the outlet end to the fan component to perform the suction of impurities.

The present invention embodies a spray nozzle for mixing and spraying a mixture of liquid and dry material. The device is comprised of a liquid injector, a torpedo, a spray tip, and a mixing chamber. The mixing chamber is connected to a hose that directs dry material through the apparatus. Dry material is forced around and over the first end of the torpedo within the mixing chamber, slowing the speed of that material and focusing it toward the second end of the torpedo where it mixes with liquid exiting the spray tip at this second end. The torpedo blends the dry and liquid components more uniformly resulting in a more homogenous material.

A method and apparatus for applying a foamed mixture of paints on a structural surface. A continuous stream of high velocity gas moves through a nozzle and is directed toward the structural surface, and two or more paints may be intermittently moved into the gas stream of the nozzle and aerated and mixed with each other and moved with the gas stream to form a foam that is applied to the structural surface. The components of the foamed mixture may include single component or plural component materials such as polyurethane foam, adhesive, and polyurea formulations, and may be moved through a volumetric metering device consisting of material heaters, a heated hose, and an applicator gun. The nitrogen gas stream fluidizes the mixture as it passes through and out of the nozzle and forms the mixture into a foam that is applied to the structural surface.

The present invention relates to a dispensing system for spraying a liquid/gas mixture, the system including a dispenser and a holder in which the dispenser is held, the dispenser including a container that is adapted for holding therein a liquid phase and a gas phase that is at a pressure of 2 bar or greater and is in direct contact with the liquid phase. The dispensing system may be used in a first orientation and a second orientation, wherein the ratio of liquid to gas in the sprayed mixture is different depending on the orientation of the system during spraying.

Proposed is an air mixing nozzle tip structure which improves productivity while simplifying the structure by being configured so that air is introduced through an air mixing inlet and discharged together with wash water, improves cleaning power while realizing a massage effect because fine water droplets are formed in the process that wash water and air are combined and discharged, controls the inlet amount of air by forming the air mixing inlet on one side or each of opposite sides of a nozzle tip cover or by adjusting the cross-sectional size of the air mixing inlet, and promotes product stability by providing an air supply passage at the rear of the air mixing inlet so that the air introduced through the air mixing inlet is smoothly discharged to a wash water ejection hole through an air guide.