DE69300325T2 - Dichtungsvorrichtung für elektro-akustische Motoren. - Google Patents

Dichtungsvorrichtung für elektro-akustische Motoren.

Info

Publication number
DE69300325T2
DE69300325T2 DE1993600325 DE69300325T DE69300325T2 DE 69300325 T2 DE69300325 T2 DE 69300325T2 DE 1993600325 DE1993600325 DE 1993600325 DE 69300325 T DE69300325 T DE 69300325T DE 69300325 T2 DE69300325 T2 DE 69300325T2
Authority
DE
Germany
Prior art keywords
casing
motor
motors
seal according
electroacoustic
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 - Fee Related
Application number
DE1993600325
Other languages
German (de)
English (en)
Other versions
DE69300325D1 (de
Inventor
Didier Boucher
Alain Scarpitta
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Application granted granted Critical
Publication of DE69300325D1 publication Critical patent/DE69300325D1/de
Publication of DE69300325T2 publication Critical patent/DE69300325T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
    • B06B1/0618—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Motor Or Generator Frames (AREA)
DE1993600325 1992-11-05 1993-10-11 Dichtungsvorrichtung für elektro-akustische Motoren. Expired - Fee Related DE69300325T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9213301A FR2697709B1 (fr) 1992-11-05 1992-11-05 Dispositif d'étanchéité de moteurs électro-acoustiques.

Publications (2)

Publication Number Publication Date
DE69300325D1 DE69300325D1 (de) 1995-09-07
DE69300325T2 true DE69300325T2 (de) 1996-04-18

Family

ID=9435244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993600325 Expired - Fee Related DE69300325T2 (de) 1992-11-05 1993-10-11 Dichtungsvorrichtung für elektro-akustische Motoren.

Country Status (5)

Country Link
EP (1) EP0600758B1 (es)
CA (1) CA2109465C (es)
DE (1) DE69300325T2 (es)
ES (1) ES2078809T3 (es)
FR (1) FR2697709B1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2720585B1 (fr) * 1994-05-26 1996-07-05 France Etat Armement Transducteur électro acoustique antenne sonar ouverts.
EP0684085A1 (fr) * 1994-05-26 1995-11-29 ETAT FRANCAIS Représenté par le Délégué Général pour l'Armement Antenne sonar ouverte comportant des transducteurs électro-acoustiques
FR2720587B1 (fr) * 1994-05-26 1996-07-05 France Etat Armement Perfectionnement aux antennes sonar munies d'une contre masse commune.
FR2728425B1 (fr) * 1994-12-15 1997-01-31 France Etat Armement Antenne lineaire electroacoustique d'emission et antenne d'emission/reception comprenant une telle antenne
FR2779533B1 (fr) * 1998-06-09 2000-08-25 Total Sa Dispositif d'acquisition sismique a haute resolution

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361033A1 (fr) * 1976-08-03 1978-03-03 France Etat Transducteurs piezoelectriques et antennes acoustiques immergeables a grande profondeur
DE3670941D1 (de) * 1985-11-30 1990-06-07 Ferranti Int Plc Rohrfoermiger, akustischer sender.
FR2665998B1 (fr) * 1988-05-05 1993-10-29 Etat Francais Delegue Armement Procedes et transducteurs electro-acoustiques pour emettre des ondes acoustiques a basse frequence dans un liquide.
FR2634292B1 (fr) * 1988-07-15 1990-10-19 Grosso Gilles Procede et dispositifs pour maintenir le gaz contenu dans une enceinte immergee en equilibre de pression avec l'exterieur
US5103130A (en) * 1988-12-20 1992-04-07 Rolt Kenneth D Sound reinforcing seal for slotted acoustic transducers

Also Published As

Publication number Publication date
FR2697709A1 (fr) 1994-05-06
FR2697709B1 (fr) 1994-12-30
EP0600758A1 (fr) 1994-06-08
CA2109465C (fr) 2002-01-22
ES2078809T3 (es) 1995-12-16
DE69300325D1 (de) 1995-09-07
EP0600758B1 (fr) 1995-08-02
CA2109465A1 (fr) 1994-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee