A inhaler includes a piezoelectric element substrate having an IDT constructed by use of a pair of interlocking comb-shaped metallic electrodes, a liquid supplier for supplying liquid, which is to be atomized, to a front surface of the piezoelectric element substrate on which the pair of interlocking comb-shaped metallic electrodes is positioned, a sensor, which includes at least a pair of detection parts which are opposite to each other, for detecting liquid supplied to the front surface of the piezoelectric element substrate, and a controller for controlling, based on result of detection by the sensor, the liquid supplier in such a manner that the liquid supplier supplies a certain quantity of the liquid to the front surface of the piezoelectric element substrate.

An aerosol delivery device is provided that includes at least one housing, a nozzle, a piezoelectric or piezomagnetic material, a control component, and a transport element. The at least one housing may enclose a reservoir configured to retain an aerosol precursor composition. The nozzle may be coupled to the housing to discharge aerosol precursor composition from the reservoir. The control component may include a microprocessor coupled to and configured to drive the piezoelectric or piezomagnetic material to vibrate and cause a discharge of components of the aerosol precursor composition and thereby produce an aerosol for inhalation by a user. And the transport element may be configured to control an amount of aerosol precursor composition delivered from the reservoir.

A falling-water muffling device for an atomizer. The falling-water muffling device at least includes a falling-water receiving structure, wherein the falling-water receiving structure includes a sidewall and a water mist flow hole surrounded by the sidewall. The internal side of the sidewall forms a receiving surface configured to receive water droplets passing through the water mist flow hole, and a first air inlet is disposed on the sidewall.

A fluid ejection device is a fluid ejection device adapted to eject a fluent material, including a fluent material chamber supplied with the fluent material, a moving object, which can reciprocate in the fluent material chamber, a nozzle part having a discharge port communicating with the fluent material chamber, and an inner wall on a periphery of the discharge port on which a tip part of the moving object can contact from the fluent material chamber side, and an actuator having contact with a back end part of the moving object to reciprocate the moving object to thereby discharge the fluent material from the discharge port. The actuator has a plurality of solid-state displacement elements connected in series to each other, and one end of one of the plurality of solid-state displacement elements has contact with the back end part of the moving object.

Systems for producing an aerosol and related methods of use are described.

An aerosol delivery device is provided that includes at least one housing, a nozzle, a piezoelectric or piezomagnetic mesh, a control component, and a transport element. The at least one housing may enclose a reservoir configured to retain an aerosol precursor composition. The nozzle may be coupled to the housing to discharge aerosol precursor composition from the reservoir. The piezoelectric or piezomagnetic mesh may comprise a piezoelectric or piezomagnetic material and a mesh. The control component may include a microprocessor coupled to and configured to drive the piezoelectric or piezomagnetic material to vibrate and cause a discharge of components of the aerosol precursor composition through the mesh and thereby produce an aerosol for inhalation by a user. And the transport element may be configured to control an amount of aerosol precursor composition delivered from the reservoir to the mesh.

The present invention includes and provides a method of delivering a medicament to an eye of a subject in need thereof a solution, the method comprising: (a) providing droplets containing the medicament with a specified average size and average initial ejecting velocity, and (b) delivering the medicament to the eye, where the droplets deliver a percentage of the ejected mass of the droplets to the eye.

A mesh element for an atomiser assembly is provided, including: a first layer defining at least one channel including a minimum cross-sectional area; and a second layer overlying the first layer and defining at least one nozzle including a maximum cross-sectional area, the second layer including an inner surface facing the first layer and an outer surface facing away from the first layer, the at least one nozzle overlying the at least one channel, and the maximum cross-sectional area of the at least one nozzle being smaller than the minimum cross-sectional area of the at least one channel, and the outer surface of the second layer defining an annular portion extending around the at least one nozzle, the annular portion having a semi-circular cross-sectional shape, and a thickness of the second layer at each annular portion being larger than a thickness of the second layer between adjacent annular portions.

A vibrator unit may be configured to vibrate a target material in a target channel and include a vibration element configured to vibrate in response to an external electrical signal having a predetermined frequency. A resonance frequency of the vibration element may be different from the predetermined frequency of the electrical signal. A vibrator unit may include a vibration transmission member in contact with the first member including the target channel in interior; and a vibration element that is in contact with the vibration transmission member. A mode-1 natural frequency of the vibration transmission member may be different from a resonance frequency of the vibration element.

An aerosol delivery device is provided that includes at least one housing, a nozzle and a control component. The housing encloses a reservoir configured to retain an aerosol precursor composition. The nozzle is coupled to the housing to discharge aerosol precursor composition from the reservoir, and the nozzle includes a piezoelectric or piezomagnetic material surrounding a mesh. The control component includes a microprocessor coupled to and configured to drive the piezoelectric or piezomagnetic material to vibrate and cause a discharge of components of the aerosol precursor composition through the mesh and thereby produce an aerosol for inhalation by a user, with the components of the aerosol precursor composition discharged through the mesh having a diameter of less than one micrometer.