BR112022000774A2 - Uso de composições nanoparticuladas como fluidos de transferência de calor em bateria ou em outros sistemas de equipamento elétrico - Google Patents

Uso de composições nanoparticuladas como fluidos de transferência de calor em bateria ou em outros sistemas de equipamento elétrico

Info

Publication number
BR112022000774A2
BR112022000774A2 BR112022000774A BR112022000774A BR112022000774A2 BR 112022000774 A2 BR112022000774 A2 BR 112022000774A2 BR 112022000774 A BR112022000774 A BR 112022000774A BR 112022000774 A BR112022000774 A BR 112022000774A BR 112022000774 A2 BR112022000774 A2 BR 112022000774A2
Authority
BR
Brazil
Prior art keywords
batteries
electrical equipment
heat transfer
electric
equipment systems
Prior art date
Application number
BR112022000774A
Other languages
English (en)
Portuguese (pt)
Inventor
Metehan Turhan Can
Daniel Ness
Günter Schmitt
Jennifer Schrantz
Gerhard Hagemann Michael
Stefan Heberer
Stephan Wieber
Ulrich Fischer
Original Assignee
Evonik Operations Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evonik Operations Gmbh filed Critical Evonik Operations Gmbh
Publication of BR112022000774A2 publication Critical patent/BR112022000774A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/08—Materials not undergoing a change of physical state when used
    • C09K5/10—Liquid materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1812—C12-(meth)acrylate, e.g. lauryl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/60—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing nitrogen in addition to the carbonamido nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • C08F236/06—Butadiene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/04—Polymers provided for in subclasses C08C or C08F
    • C08F290/048—Polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C08K3/041—Carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/14—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
    • H01G11/18—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78—Cases; Housings; Encapsulations; Mountings
    • H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C08K2003/382—Boron-containing compounds and nitrogen
    • C08K2003/385—Binary compounds of nitrogen with boron
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nanotechnology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lubricants (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Secondary Cells (AREA)
BR112022000774A 2019-07-17 2020-07-13 Uso de composições nanoparticuladas como fluidos de transferência de calor em bateria ou em outros sistemas de equipamento elétrico BR112022000774A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19186777 2019-07-17
PCT/EP2020/069746 WO2021009116A1 (en) 2019-07-17 2020-07-13 Use of nanoparticle compositions as heat transfer fluids in battery or other electrical equipment systems

Publications (1)

Publication Number Publication Date
BR112022000774A2 true BR112022000774A2 (pt) 2022-03-15

Family

ID=67437851

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022000774A BR112022000774A2 (pt) 2019-07-17 2020-07-13 Uso de composições nanoparticuladas como fluidos de transferência de calor em bateria ou em outros sistemas de equipamento elétrico

Country Status (9)

Country Link
US (1) US12415944B2 (https=)
EP (1) EP3999610B1 (https=)
JP (1) JP7512368B2 (https=)
KR (1) KR102832307B1 (https=)
CN (1) CN114127223B (https=)
BR (1) BR112022000774A2 (https=)
CA (1) CA3146898A1 (https=)
ES (1) ES2956844T3 (https=)
WO (1) WO2021009116A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN202121024470A (https=) * 2021-06-01 2021-08-20
TW202536344A (zh) * 2023-12-24 2025-09-16 國立大學法人東北大學 熱輸送或熱授受作動流體及熱輸送或熱授受系統
GB202407266D0 (en) * 2024-05-22 2024-07-03 Submer Tech Sl Dielectric cooling fluid including nanoparticles

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316973A (en) 1979-09-10 1982-02-23 The University Of Akron Novel telechelic polymers and processes for the preparation thereof
DE3700363A1 (de) 1987-01-08 1988-07-21 Basf Ag Kraft- oder schmierstoffzusammensetzung und verwendung von polybutyl- oder polyisobutylderivaten in denselben
US5393843A (en) 1992-08-31 1995-02-28 Shell Oil Company Butadiene polymers having terminal functional groups
US20040069454A1 (en) 1998-11-02 2004-04-15 Bonsignore Patrick V. Composition for enhancing thermal conductivity of a heat transfer medium and method of use thereof
US20080287326A1 (en) * 2000-12-12 2008-11-20 Zhiqiang Zhang Lubricants with enhanced thermal conductivity containing nanomaterial for automatic transmission fluids, power transmission fluids and hydraulic steering applications
KR20040067374A (ko) * 2003-01-22 2004-07-30 서경도 화학적 침적법에 의한 고분자/금속나노입자 복합 구형체의제조
SG149028A1 (en) * 2003-12-16 2009-01-29 Chevron Oronite Sa Additive composition for transmission oil
DE102005031244A1 (de) 2005-07-01 2007-02-15 Rohmax Additives Gmbh Öllösliche Kammpolymere
ES2462616T3 (es) * 2007-07-09 2014-05-26 Evonik Oil Additives Gmbh Uso de polímeros peine para reducir el consumo de combustible
DE102007061876A1 (de) * 2007-12-19 2009-06-25 Bayer Materialscience Ag Nanopartikelhaltige Bindemittel
EP2748274B1 (en) 2011-08-26 2018-08-08 Tata Consultancy Services Ltd. Nanofluids for heat transfer applications
US8840803B2 (en) 2012-02-02 2014-09-23 Baker Hughes Incorporated Thermally conductive nanocomposition and method of making the same
US8850803B2 (en) 2012-12-10 2014-10-07 Caterpillar Inc. Auxiliary power and emission-control system using vented gaseous fuel recovery and method
JP2016503111A (ja) * 2013-01-04 2016-02-01 エボニック オイル アディティヴス ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｏｉｌ Ａｄｄｉｔｉｖｅｓ ＧｍｂＨ 電気絶縁性を有する伝熱流体
KR20150143721A (ko) * 2013-04-18 2015-12-23 에보니크 오일 아디티페스 게엠베하 연료 소비를 감소시키기 위한 변속기 오일 제제
US9994752B2 (en) * 2014-12-15 2018-06-12 Arteco Nv Stabilization of hexagonal boron nitride nanoparticles
WO2017132122A1 (en) 2016-01-28 2017-08-03 Dow Global Technologies Llc Fluid useful as coolant containing carbon nanoparticles and dispersed semi-crystalline polymer particles
EP3487896B1 (en) 2016-07-25 2022-04-06 Evonik Operations GmbH Polymeric-inorganic particles useful as lubricant additives
CA3034737A1 (en) * 2016-08-31 2018-03-08 Evonik Oil Additives Gmbh Comb polymers for improving noack evaporation loss of engine oil formulations
EP3498808B1 (en) * 2017-12-13 2020-05-13 Evonik Operations GmbH Viscosity index improver with improved shear-resistance and solubility after shear
JP6456468B1 (ja) * 2017-12-13 2019-01-23 エボニック オイル アディティヴス ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Oil Additives GmbH 改善された低温粘度および剪断抵抗を有する粘度指数向上剤
JP7411555B2 (ja) * 2018-01-23 2024-01-11 エボニック オペレーションズ ゲーエムベーハー 高分子無機ナノ粒子組成物、それらの製造方法、及び潤滑剤としてのそれらの使用
KR102587269B1 (ko) 2018-01-23 2023-10-11 에보닉 오퍼레이션스 게엠베하 중합체성-무기 나노입자 조성물, 이의 제조 방법 및 윤활제 첨가제로서의 이들의 용도
EP3999609B1 (en) 2019-07-17 2022-10-19 Evonik Operations GmbH Use of polymeric-inorganic nanoparticle compositions as heat transfer fluids in battery or other electrical equipment systems

Also Published As

Publication number Publication date
KR102832307B1 (ko) 2025-07-11
ES2956844T3 (es) 2023-12-29
CN114127223A (zh) 2022-03-01
KR20220036954A (ko) 2022-03-23
CA3146898A1 (en) 2021-01-21
CN114127223B (zh) 2024-11-19
US12415944B2 (en) 2025-09-16
WO2021009116A1 (en) 2021-01-21
EP3999610B1 (en) 2023-06-28
US20220306924A1 (en) 2022-09-29
EP3999610A1 (en) 2022-05-25
JP2022541231A (ja) 2022-09-22
JP7512368B2 (ja) 2024-07-08

Similar Documents

Publication Publication Date Title
BR112022000774A2 (pt) Uso de composições nanoparticuladas como fluidos de transferência de calor em bateria ou em outros sistemas de equipamento elétrico
BR112022000822A2 (pt) Uso de composições de nanopartículas poliméricas-inorgânicas como fluidos de transferência de calor em bateria ou em outros sistemas de equipamento elétrico
GB2554567A (en) 3D-printed seals and connectors for electric submersible pumps
WO2012024471A3 (en) Systems and methods for power connection
MX359177B (es) Proceso para la reduccion de la migracion de peroxido en composiciones de polimero a base de etileno reticulable.
MX2017002779A (es) Grasa termica basada en fluido olefinico hiperramificado.
CN102969157B (zh) 一种含有改性硅藻土的电容器浸渍剂及其制备方法
BR112015007540A2 (pt) conjunto de manga de pressão equilibrada para um terminal de cabo elétrico; conjunto de cabo elétrico de pressão equilibrada; e método de equilíbrio de pressão de um terminal de um cabo elétrico
BRPI0518718A2 (pt) fluido dielÉtrico
SA519401461B1 (ar) وحدات وأنظمة تخزين طاقة ذات وصلات بينية فرعية مجزأة
BR112015013522A2 (pt) composição polimérica para uso em condutores revestidos e condutor revestido
WO2012146621A3 (en) Hvdc power transmission with cable fault ride-through capability
WO2015063109A3 (en) Power transmission network
BR112018003299A2 (pt) isolamento de cabos reticulados flexíveis e método para fazer o isolamento de cabos reticulados flexíveis
EP3942174A4 (en) PRODUCING ELECTRIC POWER AND TORQUE USING THE COMBINED THRUST AND FLUID LEVER APPLICATION
EP4047026A4 (en) ETHYLENE/ALPHA OLEFIN COPOLYMER WITH EXCELLENT ELECTRICAL INSULATION
MX2019000697A (es) Composiciones de relleno que comprenden fluidos de base biologica.
BR112019008159A2 (pt) aparelho para conectar um dispositivo elétrico a um sistema de alimentação de alta tensão, e, dispositivo elétrico para conexão a um sistema de alimentação de alta tensão
CN104611102A (zh) 润滑油脂
CN206349151U (zh) 一种含导管的电梯电缆
CN104078115A (zh) 一种绝缘扁形橡套软电缆
EA201800307A1 (ru) Композиция полупроводящего полиэтилена
Grabowski et al. Using VOC sensors and the internet of things to improve the energy efficiency in smart buildings
EP3988588A4 (en) ETHYLENE/ALPHA OLEFIN COPOLYMER WITH EXCELLENT ELECTRICAL INSULATION
CN102664374B (zh) 一种采用陶瓷材料的导线分离器

Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]