FI63550C - Skyddandet av en kropp i vatten mot foerorening - Google Patents

Skyddandet av en kropp i vatten mot foerorening Download PDF

Info

Publication number
FI63550C
FI63550C FI790051A FI790051A FI63550C FI 63550 C FI63550 C FI 63550C FI 790051 A FI790051 A FI 790051A FI 790051 A FI790051 A FI 790051A FI 63550 C FI63550 C FI 63550C
Authority
FI
Finland
Prior art keywords
piezoelectric film
electrode
piezoelectric
surface area
film layer
Prior art date
Application number
FI790051A
Other languages
English (en)
Finnish (fi)
Other versions
FI63550B (fi
FI790051A (fi
Inventor
Preston Vincent Murphy
Mireille Jacqueline Latour
Original Assignee
Lectret Sa
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 Lectret Sa filed Critical Lectret Sa
Publication of FI790051A publication Critical patent/FI790051A/fi
Application granted granted Critical
Publication of FI63550B publication Critical patent/FI63550B/fi
Publication of FI63550C publication Critical patent/FI63550C/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/04—Preventing hull fouling
    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Catching Or Destruction (AREA)
  • Paints Or Removers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Prevention Of Fouling (AREA)
FI790051A 1978-01-09 1979-01-09 Skyddandet av en kropp i vatten mot foerorening FI63550C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/867,676 US4170185A (en) 1978-01-09 1978-01-09 Preventing marine fouling
US86767678 1978-01-09

Publications (3)

Publication Number Publication Date
FI790051A FI790051A (fi) 1979-07-10
FI63550B FI63550B (fi) 1983-03-31
FI63550C true FI63550C (fi) 1983-07-11

Family

ID=25350268

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790051A FI63550C (fi) 1978-01-09 1979-01-09 Skyddandet av en kropp i vatten mot foerorening

Country Status (11)

Country Link
US (1) US4170185A (nl)
JP (1) JPS54110588A (nl)
ES (1) ES476607A1 (nl)
FI (1) FI63550C (nl)
FR (1) FR2413944A1 (nl)
GB (1) GB2011842B (nl)
GR (1) GR64121B (nl)
IT (1) IT1118265B (nl)
NL (1) NL189396C (nl)
NO (1) NO790054L (nl)
SE (1) SE7900163L (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1604062A (en) * 1978-01-11 1981-12-02 United Wire Group Ltd Coverings for submersible or semi-submersible structures
US4297394A (en) * 1979-05-31 1981-10-27 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer antifouling coating and method of use and application
US4283461A (en) * 1979-05-31 1981-08-11 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer antifouling coating
FR2507424A1 (fr) * 1981-06-05 1982-12-10 Cgr Transducteur piezoelectrique autocollant et dispositif de mise en oeuvre du transducteur
JPH03132495A (ja) * 1989-10-19 1991-06-05 Mitsubishi Heavy Ind Ltd 海水に接する構造物の防汚装置
GB2256111B (en) * 1991-04-11 1995-02-01 Univ Southampton Distributed sensors for active vibration control
GB2269674B (en) * 1992-08-13 1995-10-11 Lawrence Alexander Campbell Electrochemical membrane sensor
US5386397A (en) * 1993-11-29 1995-01-31 Urroz; Augusto C. R. Method and apparatus for keeping a body surface, which is in contact with water, free of fouling
DE4341996A1 (de) * 1993-12-09 1995-06-14 Abb Management Ag Verfahren zum Reinhalten bzw. Reinigen einer Gasturbine sowie Vorrichtung zur Durchführung des Verfahrens
US5552656A (en) * 1995-08-07 1996-09-03 Ocean Power Technologies, Inc. Self-powered anti-fouling device for watercraft
US5894042A (en) * 1996-02-26 1999-04-13 Technology Licensing Company Bacteriostatic coating of polymeric conduit
US5735226A (en) * 1996-05-08 1998-04-07 Sgp Technology, Inc. Marine anti-fouling system and method
US5901928A (en) * 1996-06-14 1999-05-11 Aptek, Inc. Active turbulence control technique for drag reduction
US6209472B1 (en) 1998-11-09 2001-04-03 Brunswick Corporation Apparatus and method for inhibiting fouling of an underwater surface
US6629831B2 (en) * 1999-04-16 2003-10-07 Coach Wei Apparatus for altering the physical properties of fluids
US6173669B1 (en) 1999-10-14 2001-01-16 Brunswick Corporation Apparatus and method for inhibiting fouling of an underwater surface
US6547952B1 (en) 2001-07-13 2003-04-15 Brunswick Corporation System for inhibiting fouling of an underwater surface
US7211173B1 (en) 2003-07-29 2007-05-01 Brunswick Corporation System for inhibiting fouling of an underwater surface
GB0600196D0 (en) * 2006-01-06 2006-02-15 Champion Environmental Technol Method of mounting an article to an object
US8473262B2 (en) * 2008-08-14 2013-06-25 ARETé ASSOCIATES Self-cleaning submerged instrumentation
GB2479375A (en) * 2010-04-07 2011-10-12 Ian Alistair Ritchie Ultrasonic membrane for inhibiting marine growth
ES2553155B1 (es) * 2014-06-04 2016-10-14 Francisco TOSCANO GARCÍA Dispositivo de pulsos ultrasónicos para la eliminación de algas y moluscos de cascos de embarcaciones
WO2019180326A1 (fr) * 2018-03-19 2019-09-26 Jose Buendia L'antifouling electrique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435986A (en) * 1943-02-18 1948-02-17 Ivan M Taylor Antifouling device
FR1032494A (fr) * 1950-03-01 1953-07-02 Postans Ltd Nouveau procédé perfectionné pour éviter ou réduire l'encrassement des coques de navires par les croissances et organismes marins
GB719650A (en) * 1952-03-15 1954-12-08 Postans Ltd An improved method of preventing or minimising the fouling of ships' hulls by marine growths or organisms
DE1031166B (de) * 1956-10-23 1958-05-29 Electroacustic Gmbh Verfahren und Vorrichtung zur Verhinderung des Unterwasserbewuchses durch Ultraschallgeber
DE1902849C3 (de) * 1968-01-25 1978-06-29 Pioneer Electronic Corp., Tokio Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
US3596883A (en) * 1968-11-08 1971-08-03 Branson Instr Ultrasonic apparatus
JPS4926890B1 (nl) * 1970-12-04 1974-07-12
JPS5221364B2 (nl) * 1971-11-04 1977-06-10
DE2326790A1 (de) * 1973-05-25 1974-12-19 Siemens Ag Ultraschall-reinigungsbad
JPS51146089A (en) * 1975-06-06 1976-12-15 Mitsui Eng & Shipbuild Co Ltd Means for reducing fluid resistance

Also Published As

Publication number Publication date
NL189396C (nl) 1993-04-01
IT7967030A0 (it) 1979-01-08
IT1118265B (it) 1986-02-24
GB2011842A (en) 1979-07-18
FR2413944B1 (nl) 1984-10-19
NL189396B (nl) 1992-11-02
FI63550B (fi) 1983-03-31
GR64121B (en) 1980-01-25
FR2413944A1 (fr) 1979-08-03
FI790051A (fi) 1979-07-10
GB2011842B (en) 1982-04-28
NO790054L (no) 1979-07-10
US4170185A (en) 1979-10-09
SE7900163L (sv) 1979-07-10
ES476607A1 (es) 1980-07-16
NL7900085A (nl) 1979-07-11
JPS54110588A (en) 1979-08-30

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Owner name: LECTRET S.A.