JP6259092B2 - 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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- JP6259092B2 JP6259092B2 JP2016535816A JP2016535816A JP6259092B2 JP 6259092 B2 JP6259092 B2 JP 6259092B2 JP 2016535816 A JP2016535816 A JP 2016535816A JP 2016535816 A JP2016535816 A JP 2016535816A JP 6259092 B2 JP6259092 B2 JP 6259092B2
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- 239000007924 injection Substances 0.000 title claims description 54
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- 229910000679 solder Inorganic materials 0.000 claims description 81
- 239000000463 material Substances 0.000 claims description 71
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- 230000001070 adhesive effect Effects 0.000 claims description 67
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- 239000000843 powder Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000010949 copper Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000007650 screen-printing Methods 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 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 4
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
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- 238000003860 storage Methods 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 3
- 239000009719 polyimide resin Substances 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- 229910001252 Pd alloy Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-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
- 230000000052 comparative effect Effects 0.000 description 2
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- 238000007606 doctor blade method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
Images
Classifications
-
- 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
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- 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
- H10N30/06—Forming electrodes or interconnections, e.g. leads or terminals
- H10N30/063—Forming interconnections, e.g. connection electrodes of multilayered piezoelectric or electrostrictive parts
-
- 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
-
- 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
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/871—Single-layered electrodes of multilayer piezoelectric or electrostrictive devices, e.g. internal electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Description
10・・・積層体
11・・・圧電体層
12・・・内部電極層
13・・・活性部
14・・・不活性部
15・・・導体層
2・・・導電性接合材層
21・・・はんだ
22・・・導電性接着剤
23・・・ボイド
3・・・外部電極
4・・・リード
Claims (10)
- 圧電体層および内部電極層が積層された積層体と、該積層体の側面に設けられた導体層と、該導体層の表面上に設けられた導電性接合材層と、該導電性接合材層を介して前記導体層に接合された外部電極とを備え、
前記導電性接合材層ははんだと導電性接着剤とを含み、前記外部電極の外部回路と接続される側の端部に対応する導電性接合材層の端部がはんだであるとともに、当該導電性接合材層の端部以外の部位が導電性接着剤であることを特徴とする積層型圧電素子。 - 前記はんだが前記外部電極の外側に回り込んで設けら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。
- 前記積層体は活性部と不活性部とを有し、前記導電性接合材層における前記はんだと前記導電性接着剤との境界が前記活性部と前記不活性部との境界に対応する位置にあることを特徴とする請求項1または請求項2に記載の積層型圧電素子。
- 前記積層型圧電素子を積層方向に沿って切断した断面で見たときに、前記導電性接着剤が前記導体層に面する側で前記活性部から前記不活性部に渡って設けられており、前記導電性接着剤と前記はんだとの境界が傾斜ないし湾曲していることを特徴とする請求項3に記載の積層型圧電素子。
- 前記導電性接合材層における前記はんだと前記導電性接着剤との境界にはボイドがあることを特徴とする請求項2乃至請求項4のうちのいずれかに記載の積層型圧電素子。
- 前記積層体は活性部と不活性部とを有し、前記導電性接合材層における前記はんだと前記導電性接着剤との境界が前記活性部と前記不活性部との境界よりも前記活性部の側にあることを特徴とする請求項2に記載の積層型圧電素子。
- 前記はんだからなる前記導電性接合材層の端部に対応する前記外部電極の外部回路と接続される側の端部にリードがはんだで接合されていることを特徴とする請求項1乃至請求項6のうちのいずれかに記載の積層型圧電素子。
- 前記はんだからなる前記導電性接合材層の端部に対応する前記導体層の端部には、前記はんだとの反応層があることを特徴とする請求項1乃至請求項7のうちのいずれかに記載の積層型圧電素子。
- 噴射孔を有する容器と、請求項1乃至請求項8のうちのいずれかに記載の積層型圧電素子とを備え、前記容器内に蓄えられた流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9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。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014148897 | 2014-07-22 | ||
JP2014148897 | 2014-07-22 | ||
PCT/JP2015/062086 WO2016013265A1 (ja) | 2014-07-22 | 2015-04-21 | 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 |
---|---|
JPWO2016013265A1 JPWO2016013265A1 (ja) | 2017-04-27 |
JP6259092B2 true JP6259092B2 (ja) | 2018-01-10 |
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Family Applications (1)
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JP2016535816A Active JP6259092B2 (ja) | 2014-07-22 | 2015-04-21 | 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 (4)
Country | Link |
---|---|
US (1) | US10247152B2 (ja) |
EP (1) | EP3174112B1 (ja) |
JP (1) | JP6259092B2 (ja) |
WO (1) | WO2016013265A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102015117203A1 (de) * | 2015-10-08 | 2017-04-13 | Epcos Ag | Drucksensor |
FR3143261A1 (fr) * | 2022-12-13 | 2024-06-14 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif comprenant plusieurs couches piezoelectriques et des connexions electriques |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10152490A1 (de) | 2000-11-06 | 2002-05-08 | Ceramtec Ag | Außenelektroden an piezokeramischen Vielschichtaktoren |
JP2006303044A (ja) * | 2005-04-18 | 2006-11-02 | Denso Corp | 積層型圧電体素子 |
JP4929875B2 (ja) * | 2006-06-30 | 2012-05-09 | 株式会社デンソー | 積層型圧電素子 |
JP5141046B2 (ja) | 2007-02-27 | 2013-02-13 | Tdk株式会社 | 積層型圧電素子 |
DE102007058874A1 (de) * | 2007-12-06 | 2010-05-20 | Siemens Ag | Piezoelektrisches Bauteil mit direkt strukturierter Außenkontaktierung, Verfahren zum Herstellen des Bauteils und Verwendung des Bauteils |
JP5697381B2 (ja) * | 2010-08-30 | 2015-04-08 | 京セラ株式会社 | 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 |
DE102010042969A1 (de) * | 2010-10-26 | 2012-04-26 | Continental Automotive Gmbh | Piezoelektrisches Bauteil mit Kontaktierung |
JP5465337B2 (ja) * | 2010-10-28 | 2014-04-09 | 京セラ株式会社 | 積層型圧電素子およびそれを用いた噴射装置ならびに燃料噴射システム |
JP5705509B2 (ja) * | 2010-11-24 | 2015-04-22 | 京セラ株式会社 | 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 |
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2015
- 2015-04-21 EP EP15824922.7A patent/EP3174112B1/en active Active
- 2015-04-21 WO PCT/JP2015/062086 patent/WO2016013265A1/ja active Application Filing
- 2015-04-21 US US15/313,745 patent/US10247152B2/en active Active
- 2015-04-21 JP JP2016535816A patent/JP6259092B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP3174112A1 (en) | 2017-05-31 |
WO2016013265A1 (ja) | 2016-01-28 |
US10247152B2 (en) | 2019-04-02 |
US20170198669A1 (en) | 2017-07-13 |
EP3174112A4 (en) | 2018-04-04 |
JPWO2016013265A1 (ja) | 2017-04-27 |
EP3174112B1 (en) | 2019-11-06 |
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