LU101432B1 - Electrohydrodynamic atomizer - Google Patents

Electrohydrodynamic atomizer Download PDF

Info

Publication number
LU101432B1
LU101432B1 LU101432A LU101432A LU101432B1 LU 101432 B1 LU101432 B1 LU 101432B1 LU 101432 A LU101432 A LU 101432A LU 101432 A LU101432 A LU 101432A LU 101432 B1 LU101432 B1 LU 101432B1
Authority
LU
Luxembourg
Prior art keywords
nozzle
electrode
reference electrode
liquid
particles
Prior art date
Application number
LU101432A
Other languages
German (de)
English (en)
Inventor
Dzung Viet Dao
Tuan-Khoa NGUYEN
Van Thanh Dau
Original Assignee
Univ Griffith
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Griffith filed Critical Univ Griffith
Priority to LU101432A priority Critical patent/LU101432B1/en
Priority to PCT/AU2020/051095 priority patent/WO2021068042A1/fr
Application granted granted Critical
Publication of LU101432B1 publication Critical patent/LU101432B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/002—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/002—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules
    • B05B5/003—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules by mixing two sprays of opposite polarity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/002—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules
    • B05B5/004—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules by alternating the polarity of the spray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/007—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus during spraying operation being periodical or in time, e.g. sinusoidal
    • B05B5/008—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus during spraying operation being periodical or in time, e.g. sinusoidal with periodical change of polarity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/10—Ion sources; Ion guns
    • H01J49/16—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission
    • H01J49/165—Electrospray ionisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/02—Inhalators with activated or ionised fluids, e.g. electrohydrodynamic [EHD] or electrostatic devices; Ozone-inhalators with radioactive tagged particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0533—Electrodes specially adapted therefor; Arrangements of electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/007—Processes for applying liquids or other fluent materials using an electrostatic field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrostatic Spraying Apparatus (AREA)
LU101432A 2019-10-11 2019-10-11 Electrohydrodynamic atomizer LU101432B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
LU101432A LU101432B1 (en) 2019-10-11 2019-10-11 Electrohydrodynamic atomizer
PCT/AU2020/051095 WO2021068042A1 (fr) 2019-10-11 2020-10-12 Atomiseur électrohydrodynamique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU101432A LU101432B1 (en) 2019-10-11 2019-10-11 Electrohydrodynamic atomizer

Publications (1)

Publication Number Publication Date
LU101432B1 true LU101432B1 (en) 2021-04-15

Family

ID=68281897

Family Applications (1)

Application Number Title Priority Date Filing Date
LU101432A LU101432B1 (en) 2019-10-11 2019-10-11 Electrohydrodynamic atomizer

Country Status (2)

Country Link
LU (1) LU101432B1 (fr)
WO (1) WO2021068042A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222663A (en) * 1990-07-25 1993-06-29 Imperial Chemical Industries Plc Electrostatic spraying device and method using an alternating polarity high potential
WO1998042446A1 (fr) * 1997-03-25 1998-10-01 Board Of Trustees Of The University Of Illinois Procede et appareillage permettant de produire des films minces et de deposer des nanoparticules
WO2000035524A2 (fr) * 1998-12-17 2000-06-22 Electrosols Ltd. Inhalateur nasal
US6145391A (en) * 1998-03-04 2000-11-14 Regents Of The University Of Minnesota Charged particle neutralizing apparatus and method of neutralizing charged particles
US20030226750A1 (en) * 2002-06-11 2003-12-11 Fenn John B. Electrospray dispersion in an alternating current mode
US20110174304A1 (en) * 2010-01-21 2011-07-21 Triplett Ii Michael D Electrohydrodynamic aerosolization device having a time varying voltage
US20110262650A1 (en) * 2010-04-27 2011-10-27 Synos Technology, Inc. Vaporizing or atomizing of electrically charged droplets

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6996972B2 (en) * 2004-05-18 2006-02-14 The Boeing Company Method of ionizing a liquid propellant and an electric thruster implementing such a method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222663A (en) * 1990-07-25 1993-06-29 Imperial Chemical Industries Plc Electrostatic spraying device and method using an alternating polarity high potential
WO1998042446A1 (fr) * 1997-03-25 1998-10-01 Board Of Trustees Of The University Of Illinois Procede et appareillage permettant de produire des films minces et de deposer des nanoparticules
US6145391A (en) * 1998-03-04 2000-11-14 Regents Of The University Of Minnesota Charged particle neutralizing apparatus and method of neutralizing charged particles
WO2000035524A2 (fr) * 1998-12-17 2000-06-22 Electrosols Ltd. Inhalateur nasal
US20030226750A1 (en) * 2002-06-11 2003-12-11 Fenn John B. Electrospray dispersion in an alternating current mode
US20110174304A1 (en) * 2010-01-21 2011-07-21 Triplett Ii Michael D Electrohydrodynamic aerosolization device having a time varying voltage
US20110262650A1 (en) * 2010-04-27 2011-10-27 Synos Technology, Inc. Vaporizing or atomizing of electrically charged droplets

Also Published As

Publication number Publication date
WO2021068042A1 (fr) 2021-04-15

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Date Code Title Description
FG Patent granted

Effective date: 20210415