EP0677335A3 - Method and means for detecting the onset of flooding of ultrasonic atomisers. - Google Patents

Method and means for detecting the onset of flooding of ultrasonic atomisers. Download PDF

Info

Publication number
EP0677335A3
EP0677335A3 EP95105027A EP95105027A EP0677335A3 EP 0677335 A3 EP0677335 A3 EP 0677335A3 EP 95105027 A EP95105027 A EP 95105027A EP 95105027 A EP95105027 A EP 95105027A EP 0677335 A3 EP0677335 A3 EP 0677335A3
Authority
EP
European Patent Office
Prior art keywords
flooding
onset
detecting
ultrasonic atomisers
atomisers
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP95105027A
Other languages
German (de)
French (fr)
Other versions
EP0677335A2 (en
Inventor
Robert F Wilson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher GmbH and Co KG
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 J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP0677335A2 publication Critical patent/EP0677335A2/en
Publication of EP0677335A3 publication Critical patent/EP0677335A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/40—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups with testing, calibrating, safety devices, built-in protection, construction details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/77—Atomizers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Special Spraying Apparatus (AREA)
EP95105027A 1994-04-14 1995-04-04 Method and means for detecting the onset of flooding of ultrasonic atomisers. Withdrawn EP0677335A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4412900A DE4412900C2 (en) 1994-04-14 1994-04-14 Method and device for determining the onset of a flood of an ultrasonic atomizer
DE4412900 1994-04-14

Publications (2)

Publication Number Publication Date
EP0677335A2 EP0677335A2 (en) 1995-10-18
EP0677335A3 true EP0677335A3 (en) 1997-05-21

Family

ID=6515406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105027A Withdrawn EP0677335A3 (en) 1994-04-14 1995-04-04 Method and means for detecting the onset of flooding of ultrasonic atomisers.

Country Status (3)

Country Link
US (1) US5588592A (en)
EP (1) EP0677335A3 (en)
DE (1) DE4412900C2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL121414A (en) * 1997-07-28 2001-11-25 Green Clouds Ltd Ultrasonic device for atomizing liquids
SE9804484D0 (en) * 1998-12-22 1998-12-22 Siemens Elema Ab Procedure for scanning and tuning a resonant frequency as well as a tuner
DE10008937A1 (en) * 2000-02-25 2001-08-30 Philips Corp Intellectual Pty Electrical circuit for controlling piezoelectric drives
DE10053826A1 (en) * 2000-10-30 2002-05-16 Generis Gmbh Device used for coating loose particulate material with binder and for building up cast model comprises atomizers which apply fluid above prescribed region
GB0129139D0 (en) * 2001-12-05 2002-01-23 Sra Dev Ltd Ultrasonic generator system
DE10323063A1 (en) * 2003-05-20 2004-12-09 Endress + Hauser Gmbh + Co. Kg Level measurement procedure
JP2006105620A (en) * 2004-09-30 2006-04-20 Advantest Corp Power source device, and testing device
US7412215B1 (en) * 2005-06-03 2008-08-12 Rf Micro Devices, Inc. System and method for transitioning from one PLL feedback source to another
FR2903331B1 (en) * 2006-07-07 2008-10-10 Oreal GENERATOR FOR EXCITING A PIEZOELECTRIC TRANSDUCER
DE102007052887A1 (en) * 2007-11-02 2009-05-07 Braun Gmbh Circuit arrangement and method for supplying a capacitive load
RU2465965C1 (en) * 2011-10-06 2012-11-10 Общество с ограниченной ответственностью "Центр ультразвуковых технологий АлтГТУ" Method of controlling ultrasound spraying
US9242263B1 (en) * 2013-03-15 2016-01-26 Sono-Tek Corporation Dynamic ultrasonic generator for ultrasonic spray systems
AU2014316769B2 (en) 2013-09-09 2018-12-06 Omnimist, Ltd. Atomizing spray apparatus
CN104549829B (en) * 2014-12-16 2017-04-12 摩易国际股份有限公司 Control and management method for intelligent atomizer
AU2017244041B2 (en) 2016-03-30 2022-12-01 Marine Canada Acquisition Inc. Vehicle heater and controls therefor
CN111855823A (en) * 2020-07-22 2020-10-30 岩联(武汉)科技有限公司 Ultrasonic transducer rapid excitation device and control method
CN114669436B (en) * 2022-03-17 2024-02-02 重庆大学 Frequency modulation driving circuit, frequency modulation driving method and driving device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738574A (en) * 1971-06-15 1973-06-12 Siemens Ag Apparatus for atomizing fluids with a piezoelectrically stimulated oscillator system
US3869666A (en) * 1973-12-26 1975-03-04 Julian Saltz Maximum slope detectors
US4275363A (en) * 1979-07-06 1981-06-23 Taga Electric Co., Ltd. Method of and apparatus for driving an ultrasonic transducer including a phase locked loop and a sweep circuit
US4689515A (en) * 1985-09-30 1987-08-25 Siemens Aktiengesellschaft Method for operating an ultrasonic frequency generator
EP0340470A1 (en) * 1988-05-06 1989-11-08 Satronic Ag Method and circuit for driving an ultrasonic transducer, and their use in atomizing a liquid
US5113116A (en) * 1989-10-05 1992-05-12 Firma J. Eberspacher Circuit arrangement for accurately and effectively driving an ultrasonic transducer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400892A (en) * 1965-12-02 1968-09-10 Battelle Development Corp Resonant vibratory apparatus
DE2129665C3 (en) * 1970-06-30 1981-02-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for atomizing liquids with a piezoelectrically excited vibration system
US4469974A (en) * 1982-06-14 1984-09-04 Eaton Corporation Low power acoustic fuel injector drive circuit
US4642581A (en) * 1985-06-21 1987-02-10 Sono-Tek Corporation Ultrasonic transducer drive circuit
DE4210705C2 (en) * 1992-04-01 1995-10-19 Grieshaber Vega Kg Frequency-voltage converter for vibration level detectors and method for converting an input signal into an output signal representing the input signal frequency

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738574A (en) * 1971-06-15 1973-06-12 Siemens Ag Apparatus for atomizing fluids with a piezoelectrically stimulated oscillator system
US3869666A (en) * 1973-12-26 1975-03-04 Julian Saltz Maximum slope detectors
US4275363A (en) * 1979-07-06 1981-06-23 Taga Electric Co., Ltd. Method of and apparatus for driving an ultrasonic transducer including a phase locked loop and a sweep circuit
US4689515A (en) * 1985-09-30 1987-08-25 Siemens Aktiengesellschaft Method for operating an ultrasonic frequency generator
EP0340470A1 (en) * 1988-05-06 1989-11-08 Satronic Ag Method and circuit for driving an ultrasonic transducer, and their use in atomizing a liquid
US5113116A (en) * 1989-10-05 1992-05-12 Firma J. Eberspacher Circuit arrangement for accurately and effectively driving an ultrasonic transducer

Also Published As

Publication number Publication date
US5588592A (en) 1996-12-31
EP0677335A2 (en) 1995-10-18
DE4412900A1 (en) 1995-10-26
DE4412900C2 (en) 2000-04-27

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