DE3727979A1 - Heissfilm-luftdurchflussmesser mit einem temperaturempfindlichen exotherm-widerstand - Google Patents
Heissfilm-luftdurchflussmesser mit einem temperaturempfindlichen exotherm-widerstandInfo
- Publication number
- DE3727979A1 DE3727979A1 DE19873727979 DE3727979A DE3727979A1 DE 3727979 A1 DE3727979 A1 DE 3727979A1 DE 19873727979 DE19873727979 DE 19873727979 DE 3727979 A DE3727979 A DE 3727979A DE 3727979 A1 DE3727979 A1 DE 3727979A1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- resistor
- exothermic
- main body
- air flow
- Prior art date
- 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 claims description 44
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 30
- 238000011144 upstream manufacturing Methods 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000009966 trimming Methods 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 description 34
- 230000008859 change Effects 0.000 description 11
- 238000012546 transfer Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004927 clay Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000001766 barrel sputter deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000088 plastic resin Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
- G01F1/692—Thin-film arrangements
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61195410A JPS63233325A (ja) | 1986-08-22 | 1986-08-22 | 熱膜式流量計用感温抵抗体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3727979A1 true DE3727979A1 (de) | 1988-02-25 |
| DE3727979C2 DE3727979C2 (OSRAM) | 1990-03-08 |
Family
ID=16340634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873727979 Granted DE3727979A1 (de) | 1986-08-22 | 1987-08-21 | Heissfilm-luftdurchflussmesser mit einem temperaturempfindlichen exotherm-widerstand |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4793176A (OSRAM) |
| JP (1) | JPS63233325A (OSRAM) |
| DE (1) | DE3727979A1 (OSRAM) |
| GB (1) | GB2194346B (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0353996A3 (en) * | 1988-08-04 | 1993-02-17 | Sharp Kabushiki Kaisha | A flow sensor |
| DE19852015B4 (de) * | 1998-05-11 | 2010-09-23 | Mitsubishi Denki K.K. | Flussratensensor |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2694664B2 (ja) * | 1989-03-07 | 1997-12-24 | 株式会社日立製作所 | 熱線式空気流量計及び該流量計を備えた内燃機関 |
| DE69116221T2 (de) * | 1990-04-26 | 1996-06-27 | Nippon Denso Co | Luftdurchflussmesser |
| JP2913887B2 (ja) * | 1990-05-30 | 1999-06-28 | 株式会社デンソー | 熱線式流量計 |
| JP2690066B2 (ja) * | 1990-12-25 | 1997-12-10 | 三菱電機株式会社 | 感熱式流量センサ |
| JPH04221717A (ja) * | 1990-12-25 | 1992-08-12 | Mitsubishi Electric Corp | 感熱式流量センサ |
| DE4219551C2 (de) * | 1991-06-13 | 1996-04-18 | Mks Japan Inc | Massenströmungssensor |
| JP3324106B2 (ja) * | 1994-06-23 | 2002-09-17 | 株式会社デンソー | 熱式流量計 |
| JP3493116B2 (ja) * | 1996-05-24 | 2004-02-03 | 株式会社リコー | 流量測定装置及び流量測定方法 |
| JP2006170803A (ja) * | 2004-12-16 | 2006-06-29 | Hitachi Ltd | ガス流量計 |
| FR2885216B1 (fr) * | 2005-05-02 | 2007-07-27 | Peugeot Citroen Automobiles Sa | Systeme de determination de l'etat d'encrassement d'un debitmetre impulsionnel pour vehicule automobile |
| WO2008089316A2 (en) * | 2007-01-19 | 2008-07-24 | Erico International Corporation | Resistor igniter for weld metal material |
| CN112087832B (zh) * | 2020-09-11 | 2022-02-11 | 安徽铱玛热能设备制造股份有限公司 | 一种基于单片机控制的管道式电磁感应加热系统 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403908A1 (de) * | 1973-02-07 | 1974-08-22 | Environmental Instruments | Stroemungsmesser |
| DE2921787A1 (de) * | 1978-06-02 | 1979-12-06 | Hitachi Ltd | Luft-durchflussmesser |
| DE3102197A1 (de) * | 1980-01-28 | 1981-12-03 | Hitachi, Ltd., Tokyo | Verfahren zum herstellen eines fuehlers zum erfassen einer fluid-stroemungsgeschwindigkeit oder eines fluid-durchsatzes |
| DE3103170A1 (de) * | 1980-01-31 | 1982-01-07 | Hitachi, Ltd., Tokyo | Luftstromdurchsatz-messvorrichtung fuer brennkraftmaschinen |
| EP0116144A1 (en) * | 1982-12-08 | 1984-08-22 | Hitachi, Ltd. | Thermal air flow meter |
| EP0118117A1 (en) * | 1983-03-07 | 1984-09-12 | Hitachi, Ltd. | Thermal air flow meter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5618721A (en) * | 1979-07-24 | 1981-02-21 | Hitachi Ltd | Air flow meter |
-
1986
- 1986-08-22 JP JP61195410A patent/JPS63233325A/ja active Pending
-
1987
- 1987-08-12 US US07/084,217 patent/US4793176A/en not_active Expired - Fee Related
- 1987-08-20 GB GB8719749A patent/GB2194346B/en not_active Expired - Lifetime
- 1987-08-21 DE DE19873727979 patent/DE3727979A1/de active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403908A1 (de) * | 1973-02-07 | 1974-08-22 | Environmental Instruments | Stroemungsmesser |
| DE2921787A1 (de) * | 1978-06-02 | 1979-12-06 | Hitachi Ltd | Luft-durchflussmesser |
| DE3102197A1 (de) * | 1980-01-28 | 1981-12-03 | Hitachi, Ltd., Tokyo | Verfahren zum herstellen eines fuehlers zum erfassen einer fluid-stroemungsgeschwindigkeit oder eines fluid-durchsatzes |
| DE3103170A1 (de) * | 1980-01-31 | 1982-01-07 | Hitachi, Ltd., Tokyo | Luftstromdurchsatz-messvorrichtung fuer brennkraftmaschinen |
| EP0116144A1 (en) * | 1982-12-08 | 1984-08-22 | Hitachi, Ltd. | Thermal air flow meter |
| EP0118117A1 (en) * | 1983-03-07 | 1984-09-12 | Hitachi, Ltd. | Thermal air flow meter |
Non-Patent Citations (1)
| Title |
|---|
| Patents Abstracts of Japan, P-324, Vo. 8/No. 285, 27.12.84 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0353996A3 (en) * | 1988-08-04 | 1993-02-17 | Sharp Kabushiki Kaisha | A flow sensor |
| DE19852015B4 (de) * | 1998-05-11 | 2010-09-23 | Mitsubishi Denki K.K. | Flussratensensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63233325A (ja) | 1988-09-29 |
| GB8719749D0 (en) | 1987-09-30 |
| US4793176A (en) | 1988-12-27 |
| DE3727979C2 (OSRAM) | 1990-03-08 |
| GB2194346B (en) | 1990-10-03 |
| GB2194346A (en) | 1988-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |