This invention is a novel aroma candle light including a light body, a water spray formation channel, an ultrasonic device and a water tank; a water spray outlet is formed on a top part of the water spray formation channel; an LED light panel is fixedly mounted at the water spray outlet; the ultrasonic device includes an ultrasonic plate, an ultrasonic plate fixing member and a silicone rubber casing; the ultrasonic plate is disposed inside the silicone rubber casing; the ultrasonic plate fixing member has a top end which is provided with a recess; the silicone rubber casing is mounted inside the recess; the silicone rubber casing has a top part which is provided with a plurality of first guiding grooves; a plurality of second guiding grooves are formed inside the recess; the ultrasonic plate fixing member is disposed at an opening at a top part of the water tank.

Disclosed are an ultrasonic atomization piece, an electronic cigarette atomization core and an electronic cigarette atomizer. The ultrasonic atomization piece includes a piezoelectric ceramic main body; one surface of the piezoelectric ceramic main body is in contact with a positive electrode conducting layer, and the other surface of the piezoelectric ceramic main body is in contact with a negative electrode conducting layer, the negative electrode conducting layer extends to the surface of the piezoelectric ceramic main body on which the positive electrode conducting layer is located along a side edge of the piezoelectric ceramic main body, and a plurality of convex point areas, which cover the edge of the positive electrode conducting layer are provided on an edge of the negative conductive layer. The ultrasonic atomization piece, the electronic cigarette atomization core and the electronic cigarette atomizer have the advantages of simple structure, reliable electrical connection, reliable work, high atomization speed, good smoke taste and long service life.

A mobile inhaler is configured to provide an inhalable aerosol to a user. The mobile inhaler may include a vibrating mesh atomizer. The vibrating mesh atomizer may include a vibrating mesh membrane comprising a plurality of holes, a piezoelectric actuator coupled to the vibrating mesh membrane, wherein the processing equipment is configured to actuate the piezoelectric actuator, and a vibrating mesh membrane holder. The mobile inhaler includes processing equipment, which may include memory configured to store information about one or more users, including usage behaviour. A capsule is used to hold liquid for atomizing and may include a plunger to dispense liquid. The processing equipment may be configured to determine desired dosages, or other desired usage metrics, based on the stored information. In some embodiments, information from a plurality of mobile inhalers may be stored and analysed.

An atomizer includes a first piezoelectric pump, a first flow path, a reservoir part, and a second flow path. The first piezoelectric pump ejects gas through an outlet. The first flow path has a first end and a second end. The first end of the first flow path is connected to the outlet of the first piezoelectric pump. A connection point is provided between the first and second ends of the first flow path. Liquid is to be stored in the reservoir part. The second flow path has a first end and a second end. The first end of the second flow path is connected to the liquid reservoir part. The second end of the second flow path is connected to the connection point.

A nebulizer (10) comprising a housing which defines, a chamber that has an outlet to the chamber for the egress of atomised fluid particles from within the chamber. The nebulizer (10) further including solid substrate (11) within the chamber of the housing. A linear channel (12) being formed in the substrate (11) that has a closed base, opposite side walls and an opening that opens through an upper surface of the substrate (11). A vibration generator (17) being attached to the substrate (11) at a position spaced from the channel (12) for generating high frequency vibration that transmits through the substrate (11) to the channel (12) to atomise fluid within the channel (12). A feeding facility (15) being provided for feeding fluid to the channel (12).

A system for dispensing fluid in response to a sensed property such as an ambient sound comprises a sensor for detecting one or more properties, a processing stage for determining if the one or more sensed properties is/are within a predetermined range and/or above and/or below a predetermined level and dispenser for dispensing a fluid into an area surrounding the system if the one or more sensed properties is/are determined by the processing stage to be within a predetermined range and/or above and/or below a predetermined level and/or value.

Microfluidic delivery systems for dispensing a fluid composition into the air comprising microfluidic die and at least one heating element that is configured to receive an electrical signal comprising a certain on-time and wave form to deliver a fluid composition into the air.

A liquid sample introduction system for a plasma spectrometer includes a sample container for holding a liquid sample, a surface acoustic wave (SAW) nebulizer, arranged to receive a liquid sample from the sample container, an electronic controller for supplying electrical power to the SAW nebulizer so as to produce a surface acoustic wave on a surface of the SAW nebulizer, for generating an aerosol from the supplied sample liquid, and an aerosol transport arrangement for receiving the aerosol from the SAW nebulizer and carrying it into a plasma or flame of a spectrometer. The electronic controller is further configured to control the electrical power to the SAW nebulizer so as to permit adjustment of the aerosol parameters, and to control the aerosol transport arrangement so as to permit adjustment of the aerosol delivery into the plasma or flame of the spectrometer.

A nebuliser for nebulising liquid droplets includes a housing; at least one piezoelectric substrate accommodated within the housing and having a transducer surface upon which is located at least one electroacoustic transducer for generating acoustic wave energy within the substrate, and an opposing non-transducer surface; and a liquid supply system for supplying a liquid to at least one of the transducer and non-transducer surfaces. The liquid supply system includes a reservoir for accommodating the liquid, and at least one relatively rigid supply conduit in contact with the substrate for supplying the liquid from the reservoir to the substrate.

An ejector for jetting a viscous medium onto a substrate is disclosed. The ejector comprises a jetting chamber adapted to accommodate the viscous medium, a nozzle communicatively connected to the chamber, and an impacting device adapted to impact a volume of the viscous medium in the chamber such that viscous medium is jetted through the nozzle towards the substrate. The ejector may further comprise a rotating mechanism adapted to rotate the impacting device around a length axis of the impacting device such that shearing is induced in the viscous medium to be jetted. A corresponding system and method is also disclosed.