DE2858353C2 - - Google Patents
Info
- Publication number
- DE2858353C2 DE2858353C2 DE19782858353 DE2858353A DE2858353C2 DE 2858353 C2 DE2858353 C2 DE 2858353C2 DE 19782858353 DE19782858353 DE 19782858353 DE 2858353 A DE2858353 A DE 2858353A DE 2858353 C2 DE2858353 C2 DE 2858353C2
- Authority
- DE
- Germany
- Prior art keywords
- hot wire
- temperature
- resistor
- mass
- dependent
- 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.)
- Expired
Links
- 230000001419 dependent effect Effects 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 101100069818 Caenorhabditis elegans gur-3 gene Proteins 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
-
- 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
-
- 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
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782858353 DE2858353C2 (enrdf_load_stackoverflow) | 1978-10-20 | 1978-10-20 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782858353 DE2858353C2 (enrdf_load_stackoverflow) | 1978-10-20 | 1978-10-20 | |
| DE2845662A DE2845662C2 (de) | 1978-10-20 | 1978-10-20 | Vorrichtung zur Messung der Masse eines strömenden Mediums |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2858353C2 true DE2858353C2 (enrdf_load_stackoverflow) | 1987-05-21 |
Family
ID=25776156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782858353 Expired DE2858353C2 (enrdf_load_stackoverflow) | 1978-10-20 | 1978-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2858353C2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3109608A1 (de) * | 1981-03-13 | 1982-09-23 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur messung der masse eines stroemenden mediums |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2151774A1 (de) * | 1971-10-18 | 1973-04-26 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage fuer eine brennkraftmaschine |
-
1978
- 1978-10-20 DE DE19782858353 patent/DE2858353C2/de not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2151774A1 (de) * | 1971-10-18 | 1973-04-26 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage fuer eine brennkraftmaschine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3109608A1 (de) * | 1981-03-13 | 1982-09-23 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur messung der masse eines stroemenden mediums |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| Q172 | Divided out of (supplement): |
Ref country code: DE Ref document number: 2845662 |
|
| 8181 | Inventor (new situation) |
Free format text: HAFNER, UDO, ING. (GRAD.), 7073 LORCH, DE KAMMERER, WERNER, ING. (GRAD.), 7143 VAIHINGEN, DE KNAPP,HEINRICH, DIPL.-PHYS. DR., 7250 LEONBERG, DE ROMANN, PETER, 7000 STUTTGART, DE SAUER, RUDOLF, DIPL.-ING. DR., 7141 BENNINGEN, DE WILFERT, THOMAS, KINGS GRANT, SUMMERVILLE, US |
|
| AC | Divided out of |
Ref country code: DE Ref document number: 2845662 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |