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US Patent 9120109 Nozzle insert device and methods for dispensing head atomizer

Patent 9120109 was granted and assigned to Universidad de Sevilla on September, 2015 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
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Universidad de Sevilla
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
91201091
Date of Patent
September 1, 2015
1
Patent Application Number
134086671
Date Filed
February 29, 2012
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Patent Citations Received
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US Patent 12123620 Humidification systems
2
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US Patent D1033225 Actuator overcap
3
Patent Primary Examiner
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Ryan Reis
1
Patent abstract

A dispensing head for emitting an atomized spray of liquid droplets includes an actuator and a nozzle insert. The actuator includes a gas duct and a liquid duct and may be attached to a container housing a propellant gas and a liquid product. The nozzle insert includes at least one modular structure that can be installed in an actuator socket on the actuator. The nozzle insert includes a pressure cap defining a pressure chamber having an exit orifice. A liquid conduit is disposed in the pressure chamber and defines a liquid supply channel having a liquid supply channel exit opening. The nozzle insert is configured to form a reflux cell in the liquid supply channel upstream of the liquid supply channel exit opening to achieve flow blurring interaction between the liquid product and the gas propellant.

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