JPWO2020218226A1 - - Google Patents
Info
- Publication number
- JPWO2020218226A1 JPWO2020218226A1 JP2021516094A JP2021516094A JPWO2020218226A1 JP WO2020218226 A1 JPWO2020218226 A1 JP WO2020218226A1 JP 2021516094 A JP2021516094 A JP 2021516094A JP 2021516094 A JP2021516094 A JP 2021516094A JP WO2020218226 A1 JPWO2020218226 A1 JP WO2020218226A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
- F16K31/007—Piezoelectric stacks
-
- 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
- H02N2/06—Drive circuits; Control arrangements or methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/028—Circuits therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- 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
- H10N30/80—Constructional details
-
- 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
- H10N30/80—Constructional details
- H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
Landscapes
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019084548 | 2019-04-25 | ||
PCT/JP2020/016998 WO2020218226A1 (ja) | 2019-04-25 | 2020-04-20 | 圧電素子の劣化検知回路を備えた駆動装置及び劣化検知方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2020218226A1 true JPWO2020218226A1 (ja) | 2020-10-29 |
Family
ID=72942724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021516094A Pending JPWO2020218226A1 (ja) | 2019-04-25 | 2020-04-20 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11994482B2 (ja) |
JP (1) | JPWO2020218226A1 (ja) |
KR (1) | KR20210134958A (ja) |
CN (1) | CN113647008A (ja) |
TW (1) | TWI761816B (ja) |
WO (1) | WO2020218226A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113092864A (zh) * | 2021-04-20 | 2021-07-09 | 清华珠三角研究院 | 一种劣化瓷绝缘子的检测方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04119109A (ja) | 1990-09-07 | 1992-04-20 | Tanaka Kikinzoku Kogyo Kk | 紡糸口金の製造方法 |
US5371427A (en) * | 1991-03-12 | 1994-12-06 | Nikon Corporation | Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device |
JP4348862B2 (ja) * | 2000-12-22 | 2009-10-21 | 株式会社デンソー | ピエゾアクチュエータの駆動装置 |
JP4119109B2 (ja) | 2001-10-17 | 2008-07-16 | 株式会社フジキン | 圧電素子駆動式金属ダイヤフラム型制御弁 |
JP2003219664A (ja) * | 2002-01-17 | 2003-07-31 | Yamazaki Seisakusho:Kk | 圧電アクチュエータの劣化検出装置 |
JP4859216B2 (ja) * | 2006-07-28 | 2012-01-25 | キヤノン株式会社 | 撮像装置及び加振装置 |
JP4852619B2 (ja) | 2009-02-05 | 2012-01-11 | 忠弘 大見 | 圧力式流量制御装置 |
JP5414890B2 (ja) * | 2010-04-14 | 2014-02-12 | 三菱電機株式会社 | 絶縁劣化診断装置 |
CA2860585C (en) * | 2012-01-20 | 2019-02-26 | Rosemount Inc. | Field device with self-testing of a piezoelectric transducer |
US20150369113A1 (en) * | 2013-01-30 | 2015-12-24 | Fishman Thermo Technologies Ltd | Hydro-actuated thermostats |
JP2017060357A (ja) * | 2015-09-18 | 2017-03-23 | 株式会社サタケ | 圧電素子の異常検出装置 |
JP6558800B2 (ja) | 2015-09-18 | 2019-08-14 | 株式会社サタケ | 圧電アクチュエータおよび圧電式バルブシステム |
JP6697869B2 (ja) * | 2015-12-02 | 2020-05-27 | 株式会社デンソーテン | 状態判定装置および状態判定方法 |
JP2017118760A (ja) * | 2015-12-25 | 2017-06-29 | 日本特殊陶業株式会社 | 抵抗検出回路およびこれを備えた圧電アクチュエータ |
JP6761761B2 (ja) | 2017-01-19 | 2020-09-30 | 株式会社サタケ | 圧電アクチュエータ、異常検出回路、および圧電式バルブシステム |
-
2020
- 2020-04-20 KR KR1020217031861A patent/KR20210134958A/ko not_active Application Discontinuation
- 2020-04-20 US US17/604,982 patent/US11994482B2/en active Active
- 2020-04-20 JP JP2021516094A patent/JPWO2020218226A1/ja active Pending
- 2020-04-20 WO PCT/JP2020/016998 patent/WO2020218226A1/ja active Application Filing
- 2020-04-20 CN CN202080025996.5A patent/CN113647008A/zh active Pending
- 2020-04-23 TW TW109113625A patent/TWI761816B/zh active
Also Published As
Publication number | Publication date |
---|---|
KR20210134958A (ko) | 2021-11-11 |
US20230152263A1 (en) | 2023-05-18 |
CN113647008A (zh) | 2021-11-12 |
WO2020218226A1 (ja) | 2020-10-29 |
US11994482B2 (en) | 2024-05-28 |
TW202102874A (zh) | 2021-01-16 |
TWI761816B (zh) | 2022-04-21 |
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