DE2918613C2 - - Google Patents
Info
- Publication number
- DE2918613C2 DE2918613C2 DE19792918613 DE2918613A DE2918613C2 DE 2918613 C2 DE2918613 C2 DE 2918613C2 DE 19792918613 DE19792918613 DE 19792918613 DE 2918613 A DE2918613 A DE 2918613A DE 2918613 C2 DE2918613 C2 DE 2918613C2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- hot wire
- mass
- resistor
- measuring
- 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
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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
- G01F1/6983—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters adapted for burning-off deposits
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792918613 DE2918613A1 (de) | 1979-05-09 | 1979-05-09 | Vorrichtung zur messung der masse eines stroemenden mediums |
JP5954180A JPS55152424A (en) | 1979-05-09 | 1980-05-07 | Apparatus for measuring medium flow |
JP6630889U JPH0255124U (it) | 1979-05-09 | 1989-06-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792918613 DE2918613A1 (de) | 1979-05-09 | 1979-05-09 | Vorrichtung zur messung der masse eines stroemenden mediums |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2918613A1 DE2918613A1 (de) | 1980-11-27 |
DE2918613C2 true DE2918613C2 (it) | 1988-10-20 |
Family
ID=6070271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792918613 Granted DE2918613A1 (de) | 1979-05-09 | 1979-05-09 | Vorrichtung zur messung der masse eines stroemenden mediums |
Country Status (2)
Country | Link |
---|---|
JP (2) | JPS55152424A (it) |
DE (1) | DE2918613A1 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3003671A1 (de) * | 1980-02-01 | 1981-08-06 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur messung der masse eines stroemenden mediums |
JPH0682057B2 (ja) * | 1987-07-13 | 1994-10-19 | 日本碍子株式会社 | 検出素子 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1156660A (en) * | 1914-04-22 | 1915-10-12 | Gen Electric | Method and apparatus for measuring the flow of fluids. |
DE2151774C3 (de) * | 1971-10-18 | 1980-04-03 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzanlage für eine Brennkraftmaschine |
DE2809455A1 (de) * | 1978-03-04 | 1979-09-06 | Bosch Gmbh Robert | Einrichtung zur luftmengenmessung |
DE2845662C2 (de) * | 1978-10-20 | 1987-03-19 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur Messung der Masse eines strömenden Mediums |
-
1979
- 1979-05-09 DE DE19792918613 patent/DE2918613A1/de active Granted
-
1980
- 1980-05-07 JP JP5954180A patent/JPS55152424A/ja active Pending
-
1989
- 1989-06-08 JP JP6630889U patent/JPH0255124U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH0255124U (it) | 1990-04-20 |
DE2918613A1 (de) | 1980-11-27 |
JPS55152424A (en) | 1980-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: G01F 1/68 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |