WO2009056832A3 - Nested flextensional transducer and cylindrical actuator modules - Google Patents
Nested flextensional transducer and cylindrical actuator modules Download PDFInfo
- Publication number
- WO2009056832A3 WO2009056832A3 PCT/GB2008/003672 GB2008003672W WO2009056832A3 WO 2009056832 A3 WO2009056832 A3 WO 2009056832A3 GB 2008003672 W GB2008003672 W GB 2008003672W WO 2009056832 A3 WO2009056832 A3 WO 2009056832A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transducer
- members
- driver
- nested
- shell
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 3
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 abstract 2
- 239000002520 smart material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
- H02N2/043—Mechanical transmission means, e.g. for stroke amplification
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/029—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for characterised by the material or the manufacturing process, e.g. the assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
- F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
- F03G7/06145—Springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
- F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
- F03G7/06147—Magnetic shape memory alloys, e.g. ferro-magnetic alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
- F03G7/065—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like using a shape memory element
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/021—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors using intermittent driving, e.g. step motors, piezoleg motors
- H02N2/023—Inchworm motors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Actuator (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08845429.3A EP2208242B1 (en) | 2007-11-01 | 2008-10-30 | Nested flextensional transducer and cylindrical actuator modules |
US12/739,649 US8159114B2 (en) | 2007-11-01 | 2008-10-30 | Transducer |
GB1006771.8A GB2466745B (en) | 2007-11-01 | 2008-10-30 | Nested flextensional transducers |
US13/414,816 US8659209B2 (en) | 2007-11-01 | 2012-03-08 | Transducer |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0721447A GB0721447D0 (en) | 2007-11-01 | 2007-11-01 | Transducer |
GB0721447.1 | 2007-11-01 | ||
GB0721445.5 | 2007-11-01 | ||
GB0721445A GB0721445D0 (en) | 2007-11-01 | 2007-11-01 | Flextensional transducer |
GB0801079.5 | 2008-01-22 | ||
GB0801079A GB0801079D0 (en) | 2008-01-22 | 2008-01-22 | Transducer |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/739,649 A-371-Of-International US8159114B2 (en) | 2007-11-01 | 2008-10-30 | Transducer |
US13/414,816 Division US8659209B2 (en) | 2007-11-01 | 2012-03-08 | Transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009056832A2 WO2009056832A2 (en) | 2009-05-07 |
WO2009056832A3 true WO2009056832A3 (en) | 2009-10-15 |
Family
ID=40344456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2008/003672 WO2009056832A2 (en) | 2007-11-01 | 2008-10-30 | Transducer |
Country Status (4)
Country | Link |
---|---|
US (2) | US8159114B2 (en) |
EP (1) | EP2208242B1 (en) |
GB (1) | GB2466745B (en) |
WO (1) | WO2009056832A2 (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0721433D0 (en) * | 2007-11-01 | 2007-12-12 | Qinetiq Ltd | Temperature compensating flextensional transducer |
US20120229000A1 (en) * | 2009-11-10 | 2012-09-13 | Massachusetts Institute Of Technology | Phased array buckling actuator |
JP5742856B2 (en) * | 2011-02-07 | 2015-07-01 | 株式会社村田製作所 | Displacement member, drive member, actuator and drive device |
WO2012162604A1 (en) * | 2011-05-25 | 2012-11-29 | Parker-Hannifin Corporation | Smart material actuator |
CN102394270A (en) * | 2011-09-14 | 2012-03-28 | 中国科学院国家天文台南京天文光学技术研究所 | Two-stage micro-displacement amplification mechanism |
US8919440B2 (en) * | 2012-09-24 | 2014-12-30 | Kristian Brekke | System and method for detecting screen-out using a fracturing valve for mitigation |
WO2014143723A2 (en) * | 2013-03-15 | 2014-09-18 | Emo Labs, Inc. | Acoustic transducers |
JP6168932B2 (en) * | 2013-09-09 | 2017-07-26 | 武蔵エンジニアリング株式会社 | Droplet discharge device |
EP3090427B1 (en) * | 2013-12-30 | 2022-11-02 | Photosonix Medical, Inc. | Flextensional transducer and related method |
DE102014009025B4 (en) * | 2014-06-24 | 2016-02-18 | Airbus Ds Gmbh | Bending frame for Velängerung the travel of an actuator for a mechanically operated component |
DE102014116708A1 (en) * | 2014-07-23 | 2016-01-28 | Physik Instrumente (Pi) Gmbh & Co. Kg | actuator device |
US9520548B2 (en) * | 2014-08-15 | 2016-12-13 | Thorlabs, Inc. | Amplified piezo actuator with motorized adjustment screw |
ES2712194T3 (en) * | 2014-08-15 | 2019-05-09 | Thorlabs Inc | Amplified piezoelectric actuator with coarse adjustment |
JP6453123B2 (en) * | 2015-03-19 | 2019-01-16 | 住友重機械工業株式会社 | Actuator |
JP6518569B2 (en) * | 2015-10-09 | 2019-05-22 | 住友重機械工業株式会社 | Motion conversion mechanism |
GB201600234D0 (en) * | 2016-01-06 | 2016-02-17 | Vicentra B V | Shape memory actuator |
WO2017196454A2 (en) * | 2016-03-25 | 2017-11-16 | California Institute Of Technology | Flow energy harvesting devices and systems |
GB2550155B (en) * | 2016-05-10 | 2020-08-05 | Camlin Tech Limited | Vacuum circuit interrupter with piezoelectric actuator and vacuum circuit breaker incorporating same |
CN106788271A (en) * | 2016-11-22 | 2017-05-31 | 哈尔滨工业大学 | Two grades of bridge amplifiers of hybrid hinge formula that a kind of rigidity is strengthened |
US10663040B2 (en) * | 2017-07-27 | 2020-05-26 | Uchicago Argonne, Llc | Method and precision nanopositioning apparatus with compact vertical and horizontal linear nanopositioning flexure stages for implementing enhanced nanopositioning performance |
US10581345B2 (en) * | 2017-09-20 | 2020-03-03 | United States Of America As Represented By The Administrator Of Nasa | Magnetic shape memory alloy actuator |
AU2017440031B2 (en) | 2017-11-17 | 2024-02-08 | Halliburton Energy Services, Inc. | Actuator for multilateral wellbore system |
CN109412459B (en) * | 2018-12-18 | 2020-08-25 | 北京无线电测量研究所 | Flexible amplifying mechanism |
CN114467251A (en) * | 2019-09-30 | 2022-05-10 | 西门子(中国)有限公司 | Band-type brake device, robot joint and collaborative robot |
CN110829884B (en) * | 2019-10-15 | 2021-02-19 | 华南农业大学 | Composite dynamic and static coupling piezoelectric actuator and driving method thereof |
US11255188B2 (en) * | 2020-05-01 | 2022-02-22 | Saudi Arabian Oil Company | Logging tool with 4D printed sensing system |
CN112953295B (en) * | 2021-02-07 | 2022-10-18 | 天津大学 | Piezoelectric driving type rotary micro-positioning system |
US11893975B1 (en) * | 2021-05-04 | 2024-02-06 | The United States Of America As Represented By The Secretary Of The Navy | High amplification flextensional transduction and devices |
CN114155908B (en) * | 2021-10-28 | 2023-03-10 | 佛山科学技术学院 | Concentrated flexible bridge type displacement amplification mechanism with flexible hinge optimized topological structure |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4808874A (en) * | 1988-01-06 | 1989-02-28 | Ford Aerospace Corporation | Double saggital stroke amplifier |
US5030873A (en) * | 1989-08-18 | 1991-07-09 | Southwest Research Institute | Monopole, dipole, and quadrupole borehole seismic transducers |
JPH04359684A (en) * | 1991-06-05 | 1992-12-11 | Olympus Optical Co Ltd | Displacement amplifying mechanism |
US5306979A (en) * | 1992-10-07 | 1994-04-26 | Schwarz Jr John F | Multiplexing incremental linear actuator system |
WO2001057358A1 (en) * | 2000-02-02 | 2001-08-09 | Schlumberger Technology Corporation | Method and operating devices having expandable element actuators |
US20020005681A1 (en) * | 2000-06-23 | 2002-01-17 | Koopmann Gary H. | Smart material motor with mechanical diodes |
US6465936B1 (en) * | 1998-02-19 | 2002-10-15 | Qortek, Inc. | Flextensional transducer assembly and method for its manufacture |
GB2425328A (en) * | 2005-04-20 | 2006-10-25 | Marine Current Turbines Ltd | Locking arrangement for tubular support structure |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US465936A (en) * | 1891-12-29 | Sewer-pipe | ||
GB1405727A (en) | 1972-04-13 | 1975-09-10 | Baker Oil Tools Inc | Subsurface tubing safety valve |
US3781576A (en) * | 1972-09-08 | 1973-12-25 | Combustion Eng | High temperature ultrasonic transducer |
US4471256A (en) * | 1982-06-14 | 1984-09-11 | Nippon Soken, Inc. | Piezoelectric actuator, and valve apparatus having actuator |
US4619320A (en) * | 1984-03-02 | 1986-10-28 | Memory Metals, Inc. | Subsurface well safety valve and control system |
US4642802A (en) | 1984-12-14 | 1987-02-10 | Raytheon Company | Elimination of magnetic biasing using magnetostrictive materials of opposite strain |
US4894811A (en) * | 1987-05-18 | 1990-01-16 | Raytheon Company | Outboard-driven flextensional transducer |
US4976553A (en) * | 1987-12-09 | 1990-12-11 | Max Co., Ltd. | Very small displacement enlargement mechanism and printing head using the same |
US4845688A (en) * | 1988-03-21 | 1989-07-04 | Image Acoustics, Inc. | Electro-mechanical transduction apparatus |
US5063542A (en) * | 1989-05-17 | 1991-11-05 | Atlantic Richfield Company | Piezoelectric transducer with displacement amplifier |
US4975615A (en) * | 1989-06-08 | 1990-12-04 | Atlantic Richfield Company | Piezoelectric transducer |
US4979568A (en) * | 1990-01-16 | 1990-12-25 | Baker Hughes Incorporated | Annulus fluid pressure operated testing valve |
US5155709A (en) * | 1991-07-10 | 1992-10-13 | Raytheon Company | Electro-acoustic transducers |
US5199497A (en) * | 1992-02-14 | 1993-04-06 | Baker Hughes Incorporated | Shape-memory actuator for use in subterranean wells |
US5332942A (en) * | 1993-06-07 | 1994-07-26 | Rennex Brian G | Inchworm actuator |
JPH07249392A (en) | 1994-03-08 | 1995-09-26 | Nikon Corp | Tube scanner and actuator having this scanner |
US5508976A (en) * | 1994-12-02 | 1996-04-16 | Loral Defense Systems | Low frequency underwater acoustic transducer |
NO301795B1 (en) * | 1995-06-28 | 1997-12-08 | Unaco Systems Ab | Electrodynamic drive for acoustic transmitters |
JP3323366B2 (en) | 1995-06-28 | 2002-09-09 | 沖電気工業株式会社 | Underwater transducer |
US5729077A (en) * | 1995-12-15 | 1998-03-17 | The Penn State Research Foundation | Metal-electroactive ceramic composite transducer |
NO961765L (en) * | 1996-04-30 | 1997-10-31 | Unaco Systems Ab | Acoustic transmitter II |
US5849125A (en) * | 1997-02-07 | 1998-12-15 | Clark; Stephen E. | Method of manufacturing flextensional transducer using pre-curved piezoelectric ceramic layer |
US6216779B1 (en) * | 1997-12-17 | 2001-04-17 | Baker Hughes Incorporated | Downhole tool actuator |
US6140745A (en) * | 1998-10-16 | 2000-10-31 | Face International Corp. | Motor mounting for piezoelectric transducer |
US5926439A (en) * | 1998-12-21 | 1999-07-20 | The United States Of America As Represented By The Secretary Of The Navy | Flextensional dual-section push-pull underwater projector |
US6278658B1 (en) * | 1999-03-25 | 2001-08-21 | L3 Communications Corporation | Self biased transducer assembly and high voltage drive circuit |
SE514569C2 (en) * | 1999-08-13 | 2001-03-12 | Cetus Innovation Ab | Hydroacoustic Transmitter Drive Device and Use of the Hydroacoustic Wave Transmission Device in a Fluid |
EG22483A (en) * | 1999-11-24 | 2003-02-26 | Shell Int Research | Sealing of openings through the wall of a well tubular |
DE10017332C2 (en) * | 2000-04-07 | 2002-04-18 | Daimler Chrysler Ag | Piezoelectric actuator for flap control on the rotor blade of a helicopter |
US6548938B2 (en) * | 2000-04-18 | 2003-04-15 | Viking Technologies, L.C. | Apparatus having a pair of opposing surfaces driven by a piezoelectric actuator |
US7111675B2 (en) * | 2001-08-20 | 2006-09-26 | Baker Hughes Incorporated | Remote closed system hydraulic actuator system |
US7334443B2 (en) * | 2002-02-22 | 2008-02-26 | Master Lock Company Llc | Radio frequency electronic lock |
US6654316B1 (en) * | 2002-05-03 | 2003-11-25 | John L. Butler | Single-sided electro-mechanical transduction apparatus |
CN1666352B (en) * | 2002-07-03 | 2011-09-14 | 瓦伊金技术有限公司 | Temperature compensating insert for a mechanically leveraged smart material actuator |
FR2850217A1 (en) * | 2003-01-17 | 2004-07-23 | Cedrat Technologies | PIEZOACTIVE ACTUATOR WITH AMPLIFIED MOVEMENT |
WO2006052970A2 (en) * | 2004-11-08 | 2006-05-18 | Lockheed Martin Corporation | Flexural cylinder projector |
US7267043B2 (en) * | 2004-12-30 | 2007-09-11 | Adaptivenergy, Llc | Actuators with diaphragm and methods of operating same |
FR2956488B1 (en) * | 2010-02-12 | 2012-03-02 | Thales Sa | ACTUATING SYSTEM FOR MOBILE ELEMENTS WITH DYNAMICALLY AND OPPOSALLY RELATED RELATED MOVEMENTS |
-
2008
- 2008-10-30 US US12/739,649 patent/US8159114B2/en not_active Expired - Fee Related
- 2008-10-30 WO PCT/GB2008/003672 patent/WO2009056832A2/en active Application Filing
- 2008-10-30 EP EP08845429.3A patent/EP2208242B1/en not_active Not-in-force
- 2008-10-30 GB GB1006771.8A patent/GB2466745B/en not_active Expired - Fee Related
-
2012
- 2012-03-08 US US13/414,816 patent/US8659209B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4808874A (en) * | 1988-01-06 | 1989-02-28 | Ford Aerospace Corporation | Double saggital stroke amplifier |
US5030873A (en) * | 1989-08-18 | 1991-07-09 | Southwest Research Institute | Monopole, dipole, and quadrupole borehole seismic transducers |
JPH04359684A (en) * | 1991-06-05 | 1992-12-11 | Olympus Optical Co Ltd | Displacement amplifying mechanism |
US5306979A (en) * | 1992-10-07 | 1994-04-26 | Schwarz Jr John F | Multiplexing incremental linear actuator system |
US6465936B1 (en) * | 1998-02-19 | 2002-10-15 | Qortek, Inc. | Flextensional transducer assembly and method for its manufacture |
WO2001057358A1 (en) * | 2000-02-02 | 2001-08-09 | Schlumberger Technology Corporation | Method and operating devices having expandable element actuators |
US20020005681A1 (en) * | 2000-06-23 | 2002-01-17 | Koopmann Gary H. | Smart material motor with mechanical diodes |
GB2425328A (en) * | 2005-04-20 | 2006-10-25 | Marine Current Turbines Ltd | Locking arrangement for tubular support structure |
Non-Patent Citations (2)
Title |
---|
ARACIL R ET AL: "Parallel robots for autonomous climbing along tubular structures", ROBOTICS AND AUTONOMOUS SYSTEMS, vol. 42, no. 2, 2003, pages 125 - 134, XP004402961 * |
UEDA J ET AL: "Design of PZT cellular actuators with power-law strain amplification", 2007 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS, 29 OCTOBER - 2 NOVEMBER 2007, SAN DIEGO, CA, USA, 2007, pages 1160 - 1165, XP031222298 * |
Also Published As
Publication number | Publication date |
---|---|
US8159114B2 (en) | 2012-04-17 |
GB2466745B (en) | 2012-03-14 |
US8659209B2 (en) | 2014-02-25 |
GB201006771D0 (en) | 2010-06-09 |
EP2208242B1 (en) | 2016-12-21 |
US20120217845A1 (en) | 2012-08-30 |
GB2466745A (en) | 2010-07-07 |
US20100308689A1 (en) | 2010-12-09 |
EP2208242A2 (en) | 2010-07-21 |
WO2009056832A2 (en) | 2009-05-07 |
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