DE1498315A1 - Elektrische Anzeigenvorrichtung - Google Patents
Elektrische AnzeigenvorrichtungInfo
- Publication number
- DE1498315A1 DE1498315A1 DE1965E0028871 DEE0028871A DE1498315A1 DE 1498315 A1 DE1498315 A1 DE 1498315A1 DE 1965E0028871 DE1965E0028871 DE 1965E0028871 DE E0028871 A DEE0028871 A DE E0028871A DE 1498315 A1 DE1498315 A1 DE 1498315A1
- Authority
- DE
- Germany
- Prior art keywords
- electrical
- display device
- fluid
- bridge circuit
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 13
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
- G01P13/006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using thermal variables
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
- G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Control Of Temperature (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1083664A GB1086742A (en) | 1964-03-13 | 1964-03-13 | Gas flow detectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1498315A1 true DE1498315A1 (de) | 1969-03-06 |
Family
ID=9975218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1965E0028871 Pending DE1498315A1 (de) | 1964-03-13 | 1965-03-12 | Elektrische Anzeigenvorrichtung |
Country Status (5)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3331203A1 (de) * | 1983-08-30 | 1985-03-14 | Securiton AG, Zollikofen, Bern | Vorrichtung zur ueberwachung der geschwindigkeit eines gasstromes in einem kanal |
| DE3433368A1 (de) * | 1984-09-12 | 1986-03-20 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und einrichtung zur durchfuehrung des verfahrens zur messung des durchsatzes eines stroemenden mediums, insbesondere in verbindung mit brennkraftmaschinen |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687130A (en) * | 1969-11-26 | 1972-08-29 | Pelam Inc | Instrument to measure pulmonary function |
| FR2343974A1 (fr) * | 1976-03-10 | 1977-10-07 | Honeywell Bull Soc Ind | Enceinte de ventilation |
| EP0008185B1 (en) | 1978-08-05 | 1983-06-08 | Nissan Motor Co., Ltd. | Flowmeter of hot wire type |
| US4357830A (en) * | 1979-09-21 | 1982-11-09 | Nippon Soken, Inc. | Gas flow measuring apparatus |
| US4537068A (en) * | 1983-03-10 | 1985-08-27 | Dwyer Instruments, Inc. | Thermal anemometer |
| GB2176292B (en) * | 1985-06-11 | 1989-07-26 | Potterton Int Ltd | Air-flow measuring device and method |
-
1964
- 1964-03-13 GB GB1083664A patent/GB1086742A/en not_active Expired
-
1965
- 1965-03-12 NL NL6503167A patent/NL6503167A/xx unknown
- 1965-03-12 FR FR9014A patent/FR1426659A/fr not_active Expired
- 1965-03-12 DE DE1965E0028871 patent/DE1498315A1/de active Pending
- 1965-03-12 BE BE661055D patent/BE661055A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3331203A1 (de) * | 1983-08-30 | 1985-03-14 | Securiton AG, Zollikofen, Bern | Vorrichtung zur ueberwachung der geschwindigkeit eines gasstromes in einem kanal |
| DE3433368A1 (de) * | 1984-09-12 | 1986-03-20 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und einrichtung zur durchfuehrung des verfahrens zur messung des durchsatzes eines stroemenden mediums, insbesondere in verbindung mit brennkraftmaschinen |
Also Published As
| Publication number | Publication date |
|---|---|
| BE661055A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-07-01 |
| FR1426659A (fr) | 1966-01-28 |
| GB1086742A (en) | 1967-10-11 |
| NL6503167A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-09-14 |
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