A device for dispensing a mist of an ophthalmic fluid includes a discharge opening for said mist, a mixing chamber communicating with said discharge opening, an air chamber holding a volume of air, a first drive operable to expel air from said air chamber, a fluid chamber for holding a volume of the fluid to be dispensed and communicating with said mixing chamber, a second drive for delivering a predetermined dose of said fluid to said fluid chamber, said air chamber communicating with said fluid chamber and with said mixing chamber, said device establishing one flow of expelled air flowing into said fluid chamber, so as to force liquid from said fluid chamber into said mixing chamber, and another flow of said expelled air flowing past said fluid chamber into said mixing chamber.

A backpack sprayer system includes a mounting bracket having a battery receiving fixture to receive a battery. A first tank is mounted to the mounting bracket and holds a diluent. A second tank is mounted to the mounting bracket and holds a liquid concentrate. A mixing manifold is mounted to the mounting bracket and has a first inlet fitting to receive a fixed amount of diluent and a second inlet to receive an adjustable amount of liquid concentrate. The fixed amount of diluent and adjustable amount of concentrate are combined to form a mixed solution and the mixing manifold includes a mixed solution outlet. A positive displacement pump is mounted to the mounting bracket and a suction port coupled to the mixed solution outlet and a pressure port fluidly coupled with a spray device. A control unit is mounted on the mounting bracket and receives power from the battery.

A fluid delivery system utilizes Bernoulli pressure differentials and kinetic forces is provided. The system includes a pressurized channel in fluid communication with a flexible pressurized line for translating pressurized fluids to a mixing chamber. The mixing chamber is also in fluid communication with a source channel receiving fluids from a flexible source line. The mixing chamber is configured for entraining the source fluids with the pressurized fluids 26 using Bernoulli principles. Kinetic valves may be used in conjunction with, or in lieu of, the Bernoulli siphoning.

A dispensing shower head assembly for selectively dispensing fluids through the shower head includes a housing that is configured to couple to a shower enclosure. A pipe, which is fluidically coupled to a water line, is coupled to and extends from the housing. A spray head is fluidically coupled to the pipe distal from the housing. The spray head has a lower face that is perforated. A plurality of reservoirs and a dispensing module are coupled to and positioned in the housing. The dispensing module is fluidically coupled to the spray head and selectively fluidically couplable to the reservoirs. Each reservoir is configured to fill with a respective fluid, such as a facewash, a conditioner, a body wash, and a shampoo. The dispensing module is positioned to motivate the respective fluid from an associated reservoir to the spray head to apply the respective fluid to a user.

This foam-generating device is easily transportable, free from fluid or power supply constraints, and able to supply a foam such as viscous foam with a high (low liquid fraction), time-invariant (low liquid fraction). The gas is withdrawn compressed from a cylinder, and a fixed fraction of its flow is used to drive a pneumatic pump which draws in the foaming liquid. The foam is formed in a mixer containing free-moving solids shortly before the ejection end of the device. The mixer has highly mobile balls in a cage of much larger dimensions; it is suitable for producing foam with a high overrun. Application: decontamination and depollution of large surfaces, buildings or indoor or outdoor structures.

An atomizing assembly includes a tubing section having an inlet end and an outlet end. The inlet end of the tubing section is connectable to a liquid storage portion, and the outlet end of the tubing section is in fluid communication with an atomizing nozzle. The tubing section is configured to deliver a flow of liquid aerosol-forming substrate through the atomizing nozzle. The atomizing nozzle includes an air channel configured to establish an air flow through the nozzle. The air flow is mixed with the flow of liquid aerosol-forming substrate.

A surface cleaning apparatus includes a liquid delivery system for storing cleaning liquid and delivering the cleaning liquid to the surface to be cleaned, and an indicator system that is operably coupled with the liquid delivery system to indicate an operational status to the user operating the surface cleaning apparatus. The indicator system can include a light emitter that illuminates when an operational status is detected. The light emitter can illuminate a supply container configured to store cleaning liquid.

This invention relates to a device dispensing a solution of liquid additive with water through a shower faucet, having a head of shower faucet adapted for dispensing solution of liquid additive with water through an outlet passage. A liquid additive container has at least one compartment filled with a liquid additive and operably coupled to a main inlet tube of shower faucet to be and also to a suction tube configured on the liquid additive container for impelling the liquid additive into main inlet tube. The control of flow rate of liquid additive into main inlet tube is done by a control box operably coupled to dispensing device and main inlet tube and controls the amount and passage of liquid additive to be incorporated into main inlet tube and also capable of controlling plurality of liquid additive containers.

An exemplary refill unit for a foam dispenser includes a container for holding foamable liquid and a liquid pump. The liquid pump includes a pump housing and an outlet nozzle with an elongated central axis. The pump housing has an arcuate shaped liquid pump chamber formed by a backing plate. The backing plate includes a liquid inlet and a flexible membrane. At least a portion of the elongated central axis of the nozzle extends through a central area defined, at least in part, by the arcuate shaped pump chamber.

A portable misting system includes a housing, an air pump carried by the housing to provide a flow of air, a water reservoir carried by the housing to hold a supply of water, and a water pump carried by the water reservoir to provide a flow of water droplets. An air/water nozzle assembly is carried by the housing and includes a nozzle body and a misting nozzle coupled to an output of the nozzle body. The nozzle body has an air input coupled to the air pump to receive the flow of air, and a water input coupled to the water pump to receive the flow of water droplets.