JP7374206B2 - 低電力で動作する形状記憶合金コイルばねを備える線形アクチュエータ - Google Patents
低電力で動作する形状記憶合金コイルばねを備える線形アクチュエータ Download PDFInfo
- Publication number
- JP7374206B2 JP7374206B2 JP2021555258A JP2021555258A JP7374206B2 JP 7374206 B2 JP7374206 B2 JP 7374206B2 JP 2021555258 A JP2021555258 A JP 2021555258A JP 2021555258 A JP2021555258 A JP 2021555258A JP 7374206 B2 JP7374206 B2 JP 7374206B2
- Authority
- JP
- Japan
- Prior art keywords
- memory alloy
- shape memory
- coil spring
- linear actuator
- shape
- 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.)
- Active
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims description 56
- 239000000463 material Substances 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000004922 lacquer Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000012782 phase change material Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000002788 crimping Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910001000 nickel titanium Inorganic materials 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910004353 Ti-Cu Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F03G7/06143—Wires
-
- 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
- F03G7/0616—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 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
- F03G7/065—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2280/00—Materials; Properties thereof
- F05B2280/50—Intrinsic material properties or characteristics
- F05B2280/5006—Shape memory
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Springs (AREA)
Description
Claims (8)
- 電気制御式の形状記憶合金コイルばね(23)を備える線形アクチュエータであって、前記形状記憶合金コイルばね(23)は、外径(D)を有し、かつ太さ(T)を有するコイル状の形状記憶合金ワイヤで作られ、前記外径(D)と前記ワイヤ太さ(T)との間の比(Φ)は、4と10との間に含まれる、線形アクチュエータにおいて、前記形状記憶合金コイルばね(23)は、各先端に圧着端子を備え、前記圧着端子の各自は、前記形状記憶合金コイルばね(23)の端子部で変形させられかつ圧着される圧着構成要素(21)と、前記形状記憶合金コイルばね(23)を、対応する係合手段を備える前記線形アクチュエータに搭載するのに適した取付部(22b)と、を備え、前記取付部(22b)は、前記圧着端子の別個の係合部材(22)上に形成され、前記係合部材(22)は、前記形状記憶合金コイルばね(23)の前記端子部に取付けられ、かつ前記圧着端子が圧着されるとき変形させられないよう保つように、直径が前記形状記憶合金コイルばね(23)の内径に等しく、前記圧着構成要素(21)よりも硬い材料で形成された接続部(22a)を含むことを特徴とする、線形アクチュエータ。
- 前記圧着構成要素(21)は、前記形状記憶合金コイルばね(23)の前記外径(D)以上の内径を有する管状本体(21a)を含むことを特徴とする、請求項1に記載の線形アクチュエータ。
- 前記管状本体(21a)は、前記係合部材(22)に向かう前記管状本体(21a)の遠位端部に、及び/又は前記形状記憶合金コイルばね(23)に向かう前記管状本体(21a)の近位端部に、円錐形フレア(21b)を備えることを特徴とする、請求項2に記載の線形アクチュエータ。
- 前記取付部(22b)は、フック形状、又はL字形状(44)、又は釘形状(44’)、又は球形状(44’’)、又は穴の開けられた正方形形状(44’’’)を有することを特徴とする、請求項1~3のいずれか1項に記載の線形アクチュエータ。
- 前記コイル状の形状記憶合金ワイヤは、ポリウレタン、シリコン、金属、ラッカー、塗料、及びマイクロカプセル化された相変化材料から選択される材料でコーティングされることを特徴とする、請求項1~4のいずれか1項に記載の線形アクチュエータ。
- 線形に配置される前記形状記憶合金コイルばね(23)の先端に接続される移動可能要素を含むことを特徴とする、請求項1~5のいずれか1項に記載の線形アクチュエータを備える装置。
- U字形状又はV字形状の形態で搭載される前記形状記憶合金コイルばね(23)の中央部に接続される移動可能要素を含むことを特徴とする、請求項1~5のいずれか1項に記載の線形アクチュエータを備える装置。
- 前記装置は、ロック装置、扉閉塞スイッチ又は流体バルブであることを特徴とする、請求項6又は7に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102019000004715A IT201900004715A1 (it) | 2019-03-29 | 2019-03-29 | Attuatore lineare comprendente una molla a spirale in lega a memoria di forma funzionante a bassa potenza elettrica |
IT102019000004715 | 2019-03-29 | ||
PCT/EP2020/058864 WO2020201164A1 (en) | 2019-03-29 | 2020-03-27 | Linear actuator comprising a shape memory alloy coil spring operating at low electrical power |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2022525159A JP2022525159A (ja) | 2022-05-11 |
JPWO2020201164A5 JPWO2020201164A5 (ja) | 2023-03-01 |
JP7374206B2 true JP7374206B2 (ja) | 2023-11-06 |
Family
ID=67002272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021555258A Active JP7374206B2 (ja) | 2019-03-29 | 2020-03-27 | 低電力で動作する形状記憶合金コイルばねを備える線形アクチュエータ |
Country Status (7)
Country | Link |
---|---|
US (1) | US11333133B2 (ja) |
EP (1) | EP3908752B1 (ja) |
JP (1) | JP7374206B2 (ja) |
KR (1) | KR102573724B1 (ja) |
CN (1) | CN113574273B (ja) |
IT (1) | IT201900004715A1 (ja) |
WO (1) | WO2020201164A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011051012A (ja) | 2009-09-03 | 2011-03-17 | Korea Inst Of Science & Technology | 形状記憶合金コイルばねの製造方法 |
US20110083325A1 (en) | 2009-07-31 | 2011-04-14 | Foley Joseph Timothy | Method of Manufacturing a Nickel Titanium Coil Actuator |
US20150073318A1 (en) | 2013-09-11 | 2015-03-12 | Massachusetts Institute Of Technology | Controllable Compression Garments Using Shape Memory Alloys And Associated Techniques And Structures |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4565589A (en) | 1982-03-05 | 1986-01-21 | Raychem Corporation | Nickel/titanium/copper shape memory alloy |
JPS6124965U (ja) * | 1984-07-18 | 1986-02-14 | シャープ株式会社 | 形状記憶合金ばねの接続装置 |
JPS6136737U (ja) * | 1984-08-08 | 1986-03-07 | 加藤発条株式会社 | 形状記憶合金製ばねのフツク装置 |
CN85104709A (zh) * | 1985-06-19 | 1987-01-21 | 夏普公司 | 形状记忆合金弹簧连接装置 |
US4830262A (en) | 1985-11-19 | 1989-05-16 | Nippon Seisen Co., Ltd. | Method of making titanium-nickel alloys by consolidation of compound material |
US4846729A (en) * | 1986-09-10 | 1989-07-11 | The Furukawa Electic Co., Ltd. | Zero insertion force connector actuated by a stored shape member |
JPH067136B2 (ja) * | 1986-09-10 | 1994-01-26 | 古河電気工業株式会社 | 電子コネクタ |
JPH0212540U (ja) * | 1988-07-09 | 1990-01-25 | ||
JPH02197782A (ja) * | 1989-01-27 | 1990-08-06 | Matsushita Refrig Co Ltd | ダンパー開閉装置 |
JPH03122275U (ja) * | 1990-03-27 | 1991-12-13 | ||
US5114504A (en) | 1990-11-05 | 1992-05-19 | Johnson Service Company | High transformation temperature shape memory alloy |
US5211371A (en) | 1991-07-22 | 1993-05-18 | Advanced Control Technologies, Inc. | Linearly actuated valve |
US5816306A (en) | 1993-11-22 | 1998-10-06 | Giacomel; Jeffrey A. | Shape memory alloy actuator |
KR100700853B1 (ko) * | 2003-05-12 | 2007-03-29 | 미쓰비시덴키 가부시키가이샤 | 구동 장치 |
KR100936183B1 (ko) * | 2007-01-19 | 2010-01-11 | 한국과학기술연구원 | 이 방향 형상기억효과를 갖는 코일 스프링 및 그 제조방법과, 이를 이용한 단열 제품 |
KR101334287B1 (ko) | 2009-11-02 | 2013-11-29 | 사에스 스마트 머티리얼즈 | Ni-Ti 반제품 및 관련 방법 |
US9027903B2 (en) | 2010-12-15 | 2015-05-12 | Autosplice, Inc. | Power-efficient actuator assemblies and methods of manufacture |
DK177268B1 (da) * | 2011-02-23 | 2012-09-10 | JOLTECH ApS | Et aktuatorelement til at generere en kraft eller bevægelse |
US9206789B2 (en) * | 2011-10-26 | 2015-12-08 | Autosplice, Inc. | Memory alloy-actuated apparatus and methods for making and using the same |
KR101338137B1 (ko) * | 2012-07-05 | 2013-12-06 | 한국과학기술연구원 | 형상기억합금 액츄에이터 |
US8430981B1 (en) | 2012-07-30 | 2013-04-30 | Saes Smart Materials | Nickel-titanium Alloys, related products and methods |
ITMI20121988A1 (it) * | 2012-11-22 | 2014-05-23 | Getters Spa | Elemento attuatore con migliorata resistenza a fatica fatto di una lega a memoria di forma |
GB201600234D0 (en) * | 2016-01-06 | 2016-02-17 | Vicentra B V | Shape memory actuator |
WO2018099565A1 (en) * | 2016-12-01 | 2018-06-07 | Huawei Technologies Co., Ltd. | Antenna tilt drive |
US10174745B2 (en) * | 2017-03-18 | 2019-01-08 | Austin Russell Gurley | Braided shape memory actuator |
-
2019
- 2019-03-29 IT IT102019000004715A patent/IT201900004715A1/it unknown
-
2020
- 2020-03-27 EP EP20713324.0A patent/EP3908752B1/en active Active
- 2020-03-27 KR KR1020217029031A patent/KR102573724B1/ko active IP Right Grant
- 2020-03-27 CN CN202080020408.9A patent/CN113574273B/zh active Active
- 2020-03-27 JP JP2021555258A patent/JP7374206B2/ja active Active
- 2020-03-27 US US17/426,664 patent/US11333133B2/en active Active
- 2020-03-27 WO PCT/EP2020/058864 patent/WO2020201164A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110083325A1 (en) | 2009-07-31 | 2011-04-14 | Foley Joseph Timothy | Method of Manufacturing a Nickel Titanium Coil Actuator |
JP2011051012A (ja) | 2009-09-03 | 2011-03-17 | Korea Inst Of Science & Technology | 形状記憶合金コイルばねの製造方法 |
US20150073318A1 (en) | 2013-09-11 | 2015-03-12 | Massachusetts Institute Of Technology | Controllable Compression Garments Using Shape Memory Alloys And Associated Techniques And Structures |
Also Published As
Publication number | Publication date |
---|---|
CN113574273A (zh) | 2021-10-29 |
EP3908752A1 (en) | 2021-11-17 |
KR20210143751A (ko) | 2021-11-29 |
EP3908752B1 (en) | 2022-05-11 |
KR102573724B1 (ko) | 2023-09-04 |
US20220042498A1 (en) | 2022-02-10 |
WO2020201164A1 (en) | 2020-10-08 |
IT201900004715A1 (it) | 2020-09-29 |
JP2022525159A (ja) | 2022-05-11 |
CN113574273B (zh) | 2024-01-26 |
US11333133B2 (en) | 2022-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8540206B2 (en) | Multi-stable actuation apparatus and methods for making and using the same | |
JPS61229977A (ja) | 直線運動型アクチユエ−タ | |
KR101232805B1 (ko) | 작동 온도 범위가 넓은 형상 기억 합금으로 제조된 액츄에이터 | |
EP2923083B1 (en) | Shape memory alloy actuating element with improved fatigue resistance | |
US9759203B2 (en) | Integrated spring and induction coil for shape-memory alloy (SMA) apparatus | |
CN110100125B (zh) | 气动阀 | |
AU2011343754A1 (en) | Memory alloy-actuated apparatus and methods for making and using the same | |
US20170276122A1 (en) | Heat sensitive actuator device | |
US7793497B2 (en) | Actuator with a wound shape-memory element | |
JP2009299487A (ja) | 形状記憶合金アクチュエータ | |
US5176544A (en) | Shape memory actuator smart connector | |
JP7374206B2 (ja) | 低電力で動作する形状記憶合金コイルばねを備える線形アクチュエータ | |
US10273943B2 (en) | Heat sensitive actuator device | |
US20090140188A1 (en) | Energy efficient solenoid for mechanically actuating a movable member | |
TW200938737A (en) | Lock ring | |
US20100019179A1 (en) | Solenoid for a Pilot Operated Water Valve Having Reduced Copper and Increased Thermal Efficiency | |
US20090140186A1 (en) | Energy efficient solenoid for mechanically actuating a movable member | |
Wu et al. | Magnetostatic bistable MEMS switch with electrothermal actuators | |
WO2009042306A1 (en) | Shape memory alloy and actuator | |
Nath et al. | Comparative Study of Electrically and Hot Water Actuated Shape Memory Alloy using Developed Thermo-mechanical Cycletest Bench. | |
CN112074662A (zh) | 形状记忆合金丝恒温扭转致动器以及包括其的阀 | |
US10859067B2 (en) | Variable stiffness actuator | |
JPH051396B2 (ja) | ||
JPWO2020201164A5 (ja) | ||
Kim et al. | Shape memory alloy bending actuator for catheter with movable link and guide wires |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230220 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230220 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20230220 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230626 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230630 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230901 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230925 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231024 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7374206 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |