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 PDFInfo
- 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- Withdrawn
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)
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)
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 |
EP3436752B1 (en) | 2016-03-30 | 2021-06-30 | 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)
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)
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 |
-
1994
- 1994-04-14 DE DE4412900A patent/DE4412900C2/en not_active Expired - Fee Related
-
1995
- 1995-04-04 EP EP95105027A patent/EP0677335A3/en not_active Withdrawn
- 1995-04-13 US US08/421,685 patent/US5588592A/en not_active Expired - Fee Related
Patent Citations (6)
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 |
---|---|
DE4412900C2 (en) | 2000-04-27 |
US5588592A (en) | 1996-12-31 |
DE4412900A1 (en) | 1995-10-26 |
EP0677335A2 (en) | 1995-10-18 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE DE DK ES FR GB IT PT SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE DE DK ES FR GB IT PT SE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19970501 |