DE3574232D1 - Transducers and control means - Google Patents
Transducers and control meansInfo
- Publication number
- DE3574232D1 DE3574232D1 DE8585304807T DE3574232T DE3574232D1 DE 3574232 D1 DE3574232 D1 DE 3574232D1 DE 8585304807 T DE8585304807 T DE 8585304807T DE 3574232 T DE3574232 T DE 3574232T DE 3574232 D1 DE3574232 D1 DE 3574232D1
- Authority
- DE
- Germany
- Prior art keywords
- control means
- phase
- transducers
- outputs
- standing wave
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
- B01D21/283—Settling tanks provided with vibrators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D43/00—Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Selective Calling Equipment (AREA)
- Electrophonic Musical Instruments (AREA)
- Air Bags (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848417241A GB8417241D0 (en) | 1984-07-06 | 1984-07-06 | Transducers and control means |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3574232D1 true DE3574232D1 (en) | 1989-12-21 |
Family
ID=10563493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585304807T Expired DE3574232D1 (en) | 1984-07-06 | 1985-07-05 | Transducers and control means |
Country Status (6)
Country | Link |
---|---|
US (1) | US4688199A (de) |
EP (1) | EP0173435B1 (de) |
JP (1) | JPS6178411A (de) |
AT (1) | ATE47972T1 (de) |
DE (1) | DE3574232D1 (de) |
GB (1) | GB8417241D0 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5036944A (en) * | 1986-03-24 | 1991-08-06 | Intersonics Incorporated | Method and apparatus for acoustic levitation |
GB8718756D0 (en) * | 1987-08-07 | 1987-09-16 | Unilever Plc | Supporting means |
DE3735787A1 (de) * | 1987-09-22 | 1989-03-30 | Stiftung Inst Fuer Werkstoffte | Verfahren und vorrichtung zum zerstaeuben mindestens eines strahls eines fluessigen stoffs, vorzugsweise geschmolzenen metalls |
DE3732325A1 (de) * | 1987-09-25 | 1989-04-13 | Battelle Institut E V | Vorrichtung zum zerstaeuben eines fluessigen mediums mit hilfe von ultraschall |
US4858717A (en) * | 1988-03-23 | 1989-08-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Acoustic convective system |
AT390739B (de) * | 1988-11-03 | 1990-06-25 | Ewald Dipl Ing Dr Benes | Verfahren und einrichtung zur separation von teilchen, welche in einem dispersionsmittel dispergiert sind |
GB8912420D0 (en) * | 1989-05-31 | 1989-07-19 | Schram Cornelius J | Ultrasonic systems |
AU2185695A (en) * | 1994-03-16 | 1995-10-03 | Skf Usa Inc. | Method and apparatus for devulcanization of cross-linked elastomers |
US6416705B1 (en) | 1994-03-16 | 2002-07-09 | Skf Usa, Inc. | Method for devulcanization of cross-linked elastomers |
JP2700058B2 (ja) * | 1996-01-23 | 1998-01-19 | 工業技術院長 | 超音波を用いた非接触マイクロマニピュレーション方法 |
EP3477208A1 (de) | 2017-10-30 | 2019-05-01 | Vestel Elektronik Sanayi ve Ticaret A.S. | Schallschlauchaspiratorvorrichtung |
EP3483509A1 (de) * | 2017-11-14 | 2019-05-15 | Vestel Elektronik Sanayi ve Ticaret A.S. | Abzugsvorrichtung und abzugsverfahren |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3626267A (en) * | 1970-11-06 | 1971-12-07 | Mandrel Industries | Digital phase-correcting servo for controlling the phase of an analog drive signal |
US4167753A (en) * | 1977-08-18 | 1979-09-11 | General Electric Company | Peak detecting digital scan converter |
GB2098498B (en) * | 1980-10-27 | 1984-08-22 | Secr Defence | Separating particles from fluid |
US4398275A (en) * | 1981-10-02 | 1983-08-09 | The United States Of America As Represented By The Secretary Of The Navy | Linear frequency sweep generator for continuous transmission FM sonar |
-
1984
- 1984-07-06 GB GB848417241A patent/GB8417241D0/en active Pending
-
1985
- 1985-07-05 DE DE8585304807T patent/DE3574232D1/de not_active Expired
- 1985-07-05 US US06/751,952 patent/US4688199A/en not_active Expired - Lifetime
- 1985-07-05 AT AT85304807T patent/ATE47972T1/de not_active IP Right Cessation
- 1985-07-05 EP EP85304807A patent/EP0173435B1/de not_active Expired
- 1985-07-06 JP JP60149073A patent/JPS6178411A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB8417241D0 (en) | 1984-08-08 |
EP0173435A1 (de) | 1986-03-05 |
ATE47972T1 (de) | 1989-12-15 |
EP0173435B1 (de) | 1989-11-15 |
JPH0521001B2 (de) | 1993-03-23 |
US4688199A (en) | 1987-08-18 |
JPS6178411A (ja) | 1986-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: BRITISH TECHNOLOGY GROUP LTD., LONDON, GB |
|
8339 | Ceased/non-payment of the annual fee |