DE4142853A1 - Thermischer durchflusssensor - Google Patents
Thermischer durchflusssensorInfo
- Publication number
- DE4142853A1 DE4142853A1 DE4142853A DE4142853A DE4142853A1 DE 4142853 A1 DE4142853 A1 DE 4142853A1 DE 4142853 A DE4142853 A DE 4142853A DE 4142853 A DE4142853 A DE 4142853A DE 4142853 A1 DE4142853 A1 DE 4142853A1
- Authority
- DE
- Germany
- Prior art keywords
- thermal resistance
- thermal
- fluid
- generating section
- heat generating
- 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.)
- Ceased
Links
- 230000006698 induction Effects 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000036962 time dependent Effects 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/089—Safety, indicating, or supervising devices relating to engine temperature
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2405866A JP2690066B2 (ja) | 1990-12-25 | 1990-12-25 | 感熱式流量センサ |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4142853A1 true DE4142853A1 (de) | 1992-07-02 |
Family
ID=18515471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4142853A Ceased DE4142853A1 (de) | 1990-12-25 | 1991-12-20 | Thermischer durchflusssensor |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2690066B2 (ja) |
KR (1) | KR920012888A (ja) |
DE (1) | DE4142853A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4793176A (en) * | 1986-08-22 | 1988-12-27 | Hitachi, Ltd. | Hot film type air flow meter having a temperature sensing exothermic resistor |
US4829814A (en) * | 1987-06-09 | 1989-05-16 | Hitachi, Ltd. | Hot film type air flow meter |
EP0376144A1 (de) * | 1988-12-24 | 1990-07-04 | Sensycon Gesellschaft Für Industrielle Sensorsysteme Und Prozessleittechnik Mbh | Anemometer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804850C2 (de) * | 1978-02-04 | 1983-11-17 | Degussa Ag, 6000 Frankfurt | Vorrichtung zur Messung der Strömungsgeschwindigkeit von Gasen |
JPS57201858A (en) * | 1981-06-08 | 1982-12-10 | Tdk Corp | Flow rate detection element |
JPS5957118A (ja) * | 1982-09-28 | 1984-04-02 | Japan Electronic Control Syst Co Ltd | 流量計 |
-
1990
- 1990-12-25 JP JP2405866A patent/JP2690066B2/ja not_active Expired - Lifetime
-
1991
- 1991-10-07 KR KR1019910017503A patent/KR920012888A/ko not_active Application Discontinuation
- 1991-12-20 DE DE4142853A patent/DE4142853A1/de not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4793176A (en) * | 1986-08-22 | 1988-12-27 | Hitachi, Ltd. | Hot film type air flow meter having a temperature sensing exothermic resistor |
US4829814A (en) * | 1987-06-09 | 1989-05-16 | Hitachi, Ltd. | Hot film type air flow meter |
EP0376144A1 (de) * | 1988-12-24 | 1990-07-04 | Sensycon Gesellschaft Für Industrielle Sensorsysteme Und Prozessleittechnik Mbh | Anemometer |
Also Published As
Publication number | Publication date |
---|---|
JP2690066B2 (ja) | 1997-12-10 |
KR920012888A (ko) | 1992-07-28 |
JPH04221716A (ja) | 1992-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |