CA1333419C - Transducteurs flextensionnels - Google Patents

Transducteurs flextensionnels

Info

Publication number: CA1333419C
Authority: CA; Canada
Prior art keywords: shell; transducer; elliptical; flextensional transducer; inserts
Prior art date: 1988-01-18
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

CA 556752

Other languages

English (en)

Inventor

Douglas Brian Arnold

John Christopher Gardner

George Bromfield

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.)

UK Secretary of State for Defence

Original Assignee

UK Secretary of State for Defence

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.)

1988-01-18

Filing date

1988-01-18

Publication date

1994-12-06

1988-01-18 Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence

1988-01-18 Priority to CA 556752 priority Critical patent/CA1333419C/fr

1994-12-06 Application granted granted Critical

1994-12-06 Publication of CA1333419C publication Critical patent/CA1333419C/fr

2011-12-06 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000006835 compression Effects 0.000 claims abstract description 18
238000007906 compression Methods 0.000 claims abstract description 18
229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 12
239000011505 plaster Substances 0.000 claims abstract description 9
229920000271 Kevlar® Polymers 0.000 claims abstract 3
239000004761 kevlar Substances 0.000 claims abstract 3
238000007789 sealing Methods 0.000 claims description 15
238000000034 method Methods 0.000 claims description 12
239000004338 Dichlorodifluoromethane Substances 0.000 claims description 10
PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims description 10
235000019404 dichlorodifluoromethane Nutrition 0.000 claims description 10
230000002706 hydrostatic effect Effects 0.000 claims description 8
238000004804 winding Methods 0.000 claims description 7
238000004519 manufacturing process Methods 0.000 claims description 6
229920001971 elastomer Polymers 0.000 claims description 5
239000007788 liquid Substances 0.000 claims description 5
239000000463 material Substances 0.000 claims description 5
239000013535 sea water Substances 0.000 claims description 5
238000010073 coating (rubber) Methods 0.000 claims description 3
239000011248 coating agent Substances 0.000 claims description 3
238000000576 coating method Methods 0.000 claims description 3
238000000748 compression moulding Methods 0.000 claims description 3
230000009977 dual effect Effects 0.000 claims description 3
238000010438 heat treatment Methods 0.000 claims description 3
230000000712 assembly Effects 0.000 claims description 2
238000000429 assembly Methods 0.000 claims description 2
230000006872 improvement Effects 0.000 claims description 2
238000000465 moulding Methods 0.000 claims description 2
229910052729 chemical element Inorganic materials 0.000 claims 1
230000002093 peripheral effect Effects 0.000 abstract 1
239000007789 gas Substances 0.000 description 17
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
230000001965 increasing effect Effects 0.000 description 6
229910000831 Steel Inorganic materials 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
238000005057 refrigeration Methods 0.000 description 4
239000010959 steel Substances 0.000 description 4
230000008859 change Effects 0.000 description 3
238000013461 design Methods 0.000 description 3
239000003507 refrigerant Substances 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
238000010276 construction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000005684 electric field Effects 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
239000002184 metal Substances 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
239000002918 waste heat Substances 0.000 description 2
RUPBZQFQVRMKDG-UHFFFAOYSA-M Didecyldimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCC[N+](C)(C)CCCCCCCCCC RUPBZQFQVRMKDG-UHFFFAOYSA-M 0.000 description 1
230000008901 benefit Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
230000005284 excitation Effects 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
230000004044 response Effects 0.000 description 1
230000011218 segmentation Effects 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
238000012546 transfer Methods 0.000 description 1
230000003313 weakening effect Effects 0.000 description 1

Classifications

- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/121—Flextensional transducers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Transducers For Ultrasonic Waves (AREA)

CA 556752 1988-01-18 1988-01-18 Transducteurs flextensionnels Expired - Fee Related CA1333419C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 556752 CA1333419C (fr)	1988-01-18	1988-01-18	Transducteurs flextensionnels

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 556752 CA1333419C (fr)	1988-01-18	1988-01-18	Transducteurs flextensionnels

Publications (1)

Publication Number	Publication Date
CA1333419C true CA1333419C (fr)	1994-12-06

Family

ID=4137280

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 556752 Expired - Fee Related CA1333419C (fr)	1988-01-18	1988-01-18	Transducteurs flextensionnels

Country Status (1)

Country	Link
CA (1)	CA1333419C (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1489593A3 (fr) *	2003-06-18	2008-07-02	Patria Advanced Solutions Oy	Source sonore immergée comportant des barres piezoélectriques ou magnetostrictives
CN101964185A (zh) *	2010-09-03	2011-02-02	哈尔滨工程大学	一种超宽带水声换能器
CN102682756A (zh) *	2012-05-15	2012-09-19	哈尔滨工程大学	一种超低频弯张式水声换能器
EP2377120A4 (fr) *	2008-12-31	2017-03-08	Patria Aviation Oy	Oscillateur immergé dans un liquide
CN107403616A (zh) *	2017-07-17	2017-11-28	哈尔滨工程大学	一种低频框架驱动式四边型弯张换能器

1988
- 1988-01-18 CA CA 556752 patent/CA1333419C/fr not_active Expired - Fee Related

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1489593A3 (fr) *	2003-06-18	2008-07-02	Patria Advanced Solutions Oy	Source sonore immergée comportant des barres piezoélectriques ou magnetostrictives
EP2377120A4 (fr) *	2008-12-31	2017-03-08	Patria Aviation Oy	Oscillateur immergé dans un liquide
CN101964185A (zh) *	2010-09-03	2011-02-02	哈尔滨工程大学	一种超宽带水声换能器
CN101964185B (zh) *	2010-09-03	2013-02-27	哈尔滨工程大学	一种超宽带水声换能器
CN102682756A (zh) *	2012-05-15	2012-09-19	哈尔滨工程大学	一种超低频弯张式水声换能器
CN107403616A (zh) *	2017-07-17	2017-11-28	哈尔滨工程大学	一种低频框架驱动式四边型弯张换能器
CN107403616B (zh) *	2017-07-17	2020-08-07	哈尔滨工程大学	一种低频框架驱动式四边型弯张换能器

Legal Events

Date	Code	Title	Description
1999-12-06	MKLA	Lapsed

Publication	Publication Date	Title
US5345428A (en)	1994-09-06	Flextensional transducers
AU597051B2 (en)	1990-05-24	Sonar transducers
US5172344A (en)	1992-12-15	Deep submergence transducer
US4941202A (en)	1990-07-10	Multiple segment flextensional transducer shell
US5130953A (en)	1992-07-14	Submersible electro-acoustic transducer
US4231112A (en)	1980-10-28	High-power underwater transducer with improved performance and reliability characteristics and method for controlling said improved characteristics
US4894811A (en)	1990-01-16	Outboard-driven flextensional transducer
EP0243591A2 (fr)	1987-11-04	Transducteur sous-marin
US4068209A (en)	1978-01-10	Electroacoustic transducer for deep submersion
US5805529A (en)	1998-09-08	Folded shell projector (FSP)
US4219889A (en)	1980-08-26	Double mass-loaded high power piezo-electric underwater transducer
CA1333419C (fr)	1994-12-06	Transducteurs flextensionnels
US5431058A (en)	1995-07-11	Flexural strain gauge acoustic transducer for deep submersion
US6545949B1 (en)	2003-04-08	Axial drive resonant pipe projector (ADRPP)
JP3487602B2 (ja)	2004-01-19	機械的インピーダンス変成器を有する電気音響変換器
JP2530190B2 (ja)	1996-09-04	ひずみ伸長変換器及びその製作方法
CN115348504B (zh)	2025-06-24	一种壳体共形驱动的磁致伸缩弯曲圆柱换能器及其制备方法
US6065349A (en)	2000-05-23	Prestressed annular acoustic transducer
Armstrong et al.	1984	Discussion of the finite-element modelling and performance of ring-shell projectors
US6584039B1 (en)	2003-06-24	Multi-mode pipe projector
GB2264420A (en)	1993-08-25	Electro -acoustic transducers comprising a flexible and sealed transmitting shell
Oswin et al.	1988	Frequency, power and depth performance of class IV flextensional transducers
CA2357605C (fr)	2007-06-05	Guide d'ondes acoustique a generateur axial
JP2002135881A (ja)	2002-05-10	水中受波器
JP2728048B2 (ja)	1998-03-18	円筒型送受波器およびその組立方法