JP5414798B2 - 積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム - Google Patents
積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム Download PDFInfo
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- JP5414798B2 JP5414798B2 JP2011528839A JP2011528839A JP5414798B2 JP 5414798 B2 JP5414798 B2 JP 5414798B2 JP 2011528839 A JP2011528839 A JP 2011528839A JP 2011528839 A JP2011528839 A JP 2011528839A JP 5414798 B2 JP5414798 B2 JP 5414798B2
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- piezoelectric element
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- internal electrode
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- 239000007924 injection Substances 0.000 title claims description 47
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- 239000007788 liquid Substances 0.000 claims description 6
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- 238000005498 polishing Methods 0.000 description 67
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- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
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- 239000011230 binding agent Substances 0.000 description 6
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- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 4
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
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- 229920000178 Acrylic resin Polymers 0.000 description 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating 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
- H10N30/01—Manufacture or treatment
- H10N30/08—Shaping or machining of piezoelectric or electrostrictive bodies
- H10N30/085—Shaping or machining of piezoelectric or electrostrictive bodies by machining
- H10N30/086—Shaping or machining of piezoelectric or electrostrictive bodies by machining by polishing or grinding
-
- 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
- H10N30/01—Manufacture or treatment
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
- H10N30/053—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by integrally sintering piezoelectric or electrostrictive bodies and electrodes
-
- 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
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
- H10N30/508—Piezoelectric or electrostrictive devices having a stacked or multilayer structure adapted for alleviating internal stress, e.g. cracking control layers
-
- 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
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8548—Lead-based oxides
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
層体と、該柱状積層体の側面に接合されて、それぞれ前記内部電極層に接続された一対の外部電極とを含む積層型圧電素子において、前記柱状積層体の側面は、算術平均粗さRaが前記積層体の積層方向の端部よりも中央部で粗くなっていることを特徴とするものである。
11:圧電体層
13:内部電極層
15:柱状積層体
15a,15b:両端面
17:外部電極
61a,61b:保持具
63:研磨砥石(研磨具)
Claims (6)
- 圧電体層および内部電極層が交互に複数積層された柱状積層体と、該柱状積層体の側面に接合されて、それぞれ前記内部電極層に接続された一対の外部電極とを含む積層型圧電素子において、前記柱状積層体の側面は、算術平均粗さRaが前記柱状積層体の積層方向の端部よりも中央部で粗くなっていることを特徴とする積層型圧電素子。
- 前記柱状積層体は、積層方向の前記中央部に位置して前記圧電体層が前記内部電極層で挟まれている活性領域と、前記端部に位置して前記圧電体層が前記内部電極層で挟まれていない不活性領域とを有しており、前記柱状積層体の側面は、算術平均粗さRaが前記不活性領域よりも前記活性領域で粗くなっていることを特徴とする請求項1に記載の積層型圧電素子。
- 前記柱状積層体の前記中央部の側面に、前記圧電体層および前記内部電極層と平行な方向の筋状の加工痕が存在することを特徴とする請求項1記載の積層型圧電素子。
- 前記柱状積層体の側面が、前記中央部から前記端部まで樹脂で被覆されていることを特徴とする請求項1に記載の積層型圧電素子。
- 噴出孔を有する容器と、請求項1乃至請求項4のいずれかに記載の積層型圧電素子とを備え、前記容器内に充填された液体が前記積層型圧電素子の駆動により前記噴射孔から吐出されることを特徴とする噴射装置。
- 高圧燃料を蓄えるコモンレールと、該コモンレールに蓄えられた前記高圧燃料を噴射する請求項5に記載の噴射装置と、前記コモンレールに前記高圧燃料を供給する圧力ポンプと、前記噴射装置に駆動信号を与える噴射制御ユニットとを備えたことを特徴とする燃料噴射システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011528839A JP5414798B2 (ja) | 2009-08-27 | 2010-08-26 | 積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009196349 | 2009-08-27 | ||
JP2009196349 | 2009-08-27 | ||
PCT/JP2010/064480 WO2011024894A1 (ja) | 2009-08-27 | 2010-08-26 | 積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム |
JP2011528839A JP5414798B2 (ja) | 2009-08-27 | 2010-08-26 | 積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2011024894A1 JPWO2011024894A1 (ja) | 2013-01-31 |
JP5414798B2 true JP5414798B2 (ja) | 2014-02-12 |
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JP2011528839A Active JP5414798B2 (ja) | 2009-08-27 | 2010-08-26 | 積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US9153769B2 (ja) |
EP (1) | EP2472619B1 (ja) |
JP (1) | JP5414798B2 (ja) |
CN (1) | CN102473835B (ja) |
WO (1) | WO2011024894A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2667425B1 (en) * | 2011-01-21 | 2018-12-26 | Kyocera Corporation | Laminated-type piezoelectric element, and piezoelectric actuator, injection apparatus, and fuel injection system provided with same |
CN103700764A (zh) * | 2013-10-23 | 2014-04-02 | 溧阳市东大技术转移中心有限公司 | 包括HfO2应力缓冲体的压电元件的制造方法 |
CN103762305A (zh) * | 2013-10-26 | 2014-04-30 | 溧阳市东大技术转移中心有限公司 | 包括La2O3应力缓冲体的压电元件的制造方法 |
CN103762303A (zh) * | 2013-10-26 | 2014-04-30 | 溧阳市东大技术转移中心有限公司 | 包括BaO应力缓冲体的压电元件 |
JP6513910B2 (ja) * | 2014-06-09 | 2019-05-15 | 株式会社トーキン | 積層型圧電アクチュエータおよびこれを用いた積層型圧電装置 |
DE102015210797B4 (de) * | 2015-06-12 | 2019-03-28 | Continental Automotive Gmbh | Verfahren zur Herstellung eines piezoelektrischen Schichtstapels |
JP2021027383A (ja) * | 2019-07-31 | 2021-02-22 | 株式会社村田製作所 | 弾性波装置 |
CN113956896A (zh) * | 2020-07-20 | 2022-01-21 | 山西潞安煤基清洁能源有限责任公司 | 一种提高化工煤混配合格率的方法 |
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JP2001102647A (ja) * | 1999-09-28 | 2001-04-13 | Kyocera Corp | 積層型圧電アクチュエータ |
JP2001339105A (ja) * | 2000-05-30 | 2001-12-07 | Tokin Ceramics Corp | 積層型圧電セラミックス及びその製造方法 |
JP2002370217A (ja) * | 2001-04-12 | 2002-12-24 | Denso Corp | セラミック積層体の製造方法 |
JP2003017768A (ja) * | 2001-06-28 | 2003-01-17 | Kyocera Corp | 積層型圧電素子及び噴射装置 |
JP2003017779A (ja) * | 2001-04-27 | 2003-01-17 | Denso Corp | セラミック積層体の製造方法 |
WO2009041476A1 (ja) * | 2007-09-27 | 2009-04-02 | Kyocera Corporation | 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム |
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DE10217097A1 (de) | 2001-04-18 | 2002-11-21 | Denso Corp | Verfahren zur Herstellung eines keramischen Laminats |
DE10329028A1 (de) * | 2002-07-11 | 2004-01-29 | Ceram Tec Ag Innovative Ceramic Engineering | Isolierung für piezokeramische Vielschichtaktoren |
JP4635439B2 (ja) * | 2003-02-12 | 2011-02-23 | 株式会社デンソー | 積層型圧電体素子及びその製造方法 |
DE602004023665D1 (de) | 2003-02-26 | 2009-12-03 | Kyocera Corp | Laminiertes elektronisches Bauelement |
US20050046312A1 (en) * | 2003-09-01 | 2005-03-03 | Fuji Photo Film Co., Ltd. | Laminated structure, piezoelectric actuator and method of manufacturing the same |
DE102005023370A1 (de) * | 2005-05-20 | 2006-11-23 | Siemens Ag | Piezoelektrischer oder elektrostriktiver Stack mit erhöhter Lebensdauer |
DE502006000647D1 (de) | 2006-02-16 | 2008-05-29 | Delphi Tech Inc | Verfahren zum Herstellen eines piezoelektrischen Bauteils |
WO2009069693A1 (ja) * | 2007-11-27 | 2009-06-04 | Kyocera Corporation | 積層型圧電素子及びその製造方法、並びに噴射装置及び燃料噴射システム |
US8276567B2 (en) * | 2007-12-26 | 2012-10-02 | Kyocera Corporation | Multi-layer piezoelectric element, and injection apparatus and fuel injection system that employ the same |
WO2010013669A1 (ja) * | 2008-07-29 | 2010-02-04 | 京セラ株式会社 | 積層型圧電素子、積層型圧電素子の製造方法、噴射装置および燃料噴射システム |
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2010
- 2010-08-26 JP JP2011528839A patent/JP5414798B2/ja active Active
- 2010-08-26 US US13/392,320 patent/US9153769B2/en active Active
- 2010-08-26 EP EP10811943.9A patent/EP2472619B1/en active Active
- 2010-08-26 WO PCT/JP2010/064480 patent/WO2011024894A1/ja active Application Filing
- 2010-08-26 CN CN201080036575.9A patent/CN102473835B/zh active Active
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JP2001102647A (ja) * | 1999-09-28 | 2001-04-13 | Kyocera Corp | 積層型圧電アクチュエータ |
JP2001339105A (ja) * | 2000-05-30 | 2001-12-07 | Tokin Ceramics Corp | 積層型圧電セラミックス及びその製造方法 |
JP2002370217A (ja) * | 2001-04-12 | 2002-12-24 | Denso Corp | セラミック積層体の製造方法 |
JP2003017779A (ja) * | 2001-04-27 | 2003-01-17 | Denso Corp | セラミック積層体の製造方法 |
JP2003017768A (ja) * | 2001-06-28 | 2003-01-17 | Kyocera Corp | 積層型圧電素子及び噴射装置 |
WO2009041476A1 (ja) * | 2007-09-27 | 2009-04-02 | Kyocera Corporation | 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム |
Also Published As
Publication number | Publication date |
---|---|
US20120187213A1 (en) | 2012-07-26 |
EP2472619A4 (en) | 2014-01-22 |
US9153769B2 (en) | 2015-10-06 |
WO2011024894A1 (ja) | 2011-03-03 |
JPWO2011024894A1 (ja) | 2013-01-31 |
EP2472619A1 (en) | 2012-07-04 |
EP2472619B1 (en) | 2015-10-07 |
CN102473835A (zh) | 2012-05-23 |
CN102473835B (zh) | 2014-06-25 |
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