RU96115305A - SENSOR - Google Patents

SENSOR

Info

Publication number
RU96115305A
RU96115305A RU96115305/25A RU96115305A RU96115305A RU 96115305 A RU96115305 A RU 96115305A RU 96115305/25 A RU96115305/25 A RU 96115305/25A RU 96115305 A RU96115305 A RU 96115305A RU 96115305 A RU96115305 A RU 96115305A
Authority
RU
Russia
Prior art keywords
coefficient
sensor
thermal expansion
coating layer
ceramic base
Prior art date
Application number
RU96115305/25A
Other languages
Russian (ru)
Other versions
RU2141651C1 (en
Inventor
Фризе Карл-Херманн
Original Assignee
Роберт Бош Гмбх
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
Priority claimed from DE4437507A external-priority patent/DE4437507C1/en
Application filed by Роберт Бош Гмбх filed Critical Роберт Бош Гмбх
Publication of RU96115305A publication Critical patent/RU96115305A/en
Application granted granted Critical
Publication of RU2141651C1 publication Critical patent/RU2141651C1/en

Links

Claims (4)

1. Датчик с керамической основой и с по меньшей мере частично охватывающим основу пористым покровным слоем, отличающийся тем, что покровный слой (18) имеет коэффициент теплового расширения, который по меньшей мере в диапазоне температур применения датчика (10) меньше, чем коэффициент теплового расширения керамической основы (12).1. The sensor with a ceramic base and with at least partially covering the base of the porous coating layer, characterized in that the coating layer (18) has a coefficient of thermal expansion, which is at least in the temperature range of the sensor (10) less than the coefficient of thermal expansion ceramic base (12). 2. Датчик с керамической основой и с по меньшей мере частично охватывающим основу пористым покровным слоем, отличающийся тем, что пористый покровный слой (18) имеет по меньшей мере одно пористое покрытие (20), коэффициент теплового расширения которого по меньшей мере в диапазоне температур применения датчика (10) меньше, чем коэффициент теплового расширения керамической основы (12). 2. A sensor with a ceramic base and with at least partially covering the base a porous coating layer, characterized in that the porous coating layer (18) has at least one porous coating (20), the coefficient of thermal expansion of which is at least in the range of application temperatures sensor (10) is less than the coefficient of thermal expansion of the ceramic base (12). 3. Датчик по одному из предыдущих пунктов, отличающийся тем, что коэффициент теплового расширения покровного слоя (18) и/или покрытия (20) по меньшей мере на 1,5•10-6•K-1, предпочтительно по меньшей мере на 3,0•10-6•K-1, меньше чем коэффициент теплового расширения керамической основы (12).3. The sensor according to one of the preceding paragraphs, characterized in that the coefficient of thermal expansion of the coating layer (18) and / or coating (20) is at least 1.5 • 10 -6 • K -1 , preferably at least 3 , 0 • 10 -6 • K -1 , less than the coefficient of thermal expansion of the ceramic base (12). 4. Датчик по одному из предыдущих пунктов, отличающийся тем, что покровный слой (18) и/или покрытие (20) содержит по меньшей мере 5% по объему, предпочтительно по меньшей 20% по объему, муллит, кордиерит и/или титанат алюминия. 4. The sensor according to one of the preceding paragraphs, characterized in that the coating layer (18) and / or coating (20) contains at least 5% by volume, preferably at least 20% by volume, mullite, cordierite and / or aluminum titanate .
RU96115305A 1994-10-20 1995-09-23 Sensor RU2141651C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4437507.7 1994-10-20
DE4437507A DE4437507C1 (en) 1994-10-20 1994-10-20 Sensor element resistant to thermal shock, e.g. vehicle exhaust gas sensor
PCT/DE1995/001320 WO1996012947A1 (en) 1994-10-20 1995-09-23 Sensor

Publications (2)

Publication Number Publication Date
RU96115305A true RU96115305A (en) 1998-10-27
RU2141651C1 RU2141651C1 (en) 1999-11-20

Family

ID=6531262

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96115305A RU2141651C1 (en) 1994-10-20 1995-09-23 Sensor

Country Status (7)

Country Link
EP (1) EP0741865B1 (en)
JP (1) JP3847338B2 (en)
KR (1) KR100370691B1 (en)
CN (1) CN1046034C (en)
DE (2) DE4437507C1 (en)
RU (1) RU2141651C1 (en)
WO (1) WO1996012947A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10015614B4 (en) * 2000-03-29 2009-02-19 Ceramtec Ag Porous sintered body with porous layer on the surface and process for its preparation and its uses
DE102008043335A1 (en) 2008-10-30 2010-05-06 Robert Bosch Gmbh sensor element
DE102008043305A1 (en) 2008-10-30 2010-05-06 Robert Bosch Gmbh Sensor element for measuring concentration of gaseous component of exhaust gas, has protective layer provided in area, where coefficient of permeation of gaseous component is larger than coefficient of permeation of liquid water
CN103926298B (en) 2008-12-01 2017-06-20 Msa欧洲有限责任公司 Electrochemical gas sensor with ionic liquid electrolyte systems
DE102013221270A1 (en) * 2013-10-21 2015-04-23 Robert Bosch Gmbh Sensor device for detecting at least one property of a fluid medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1201806A (en) * 1967-11-23 1970-08-12 Kent Ltd G Improvements in or relating to electrode assemblies
JPS6036948A (en) * 1983-08-09 1985-02-26 Ngk Insulators Ltd Electrochemical device
JPH0646189B2 (en) * 1985-01-25 1994-06-15 株式会社日立製作所 Oxygen concentration sensor
DE4408504A1 (en) * 1994-03-14 1995-09-21 Bosch Gmbh Robert Sensor for determining the concentration of gas components in gas mixtures
US5593558A (en) * 1994-06-09 1997-01-14 Nippondenso Co., Ltd. Oxygen concentration detector

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