JPS56112610A - Measuring device for gas - Google Patents
Measuring device for gasInfo
- Publication number
- JPS56112610A JPS56112610A JP1484380A JP1484380A JPS56112610A JP S56112610 A JPS56112610 A JP S56112610A JP 1484380 A JP1484380 A JP 1484380A JP 1484380 A JP1484380 A JP 1484380A JP S56112610 A JPS56112610 A JP S56112610A
- Authority
- JP
- Japan
- Prior art keywords
- hot
- air
- amount
- found
- wire
- 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
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
- G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
Abstract
PURPOSE:To measure the amount of mixture of air and fuel by arranging hot-wire flowmeters in the upper and lower pipe lines of a mixing apparatus and thereby finding a difference in mass flow rate. CONSTITUTION:The hot-wire flowmeter 1a measuring the passing amount of air is provided in the upstream-side pipe line 3 of the mixing apparatus 2, while the hot- wire flowmeter 1b measuring the sum of atomized gasoline supplied from a gasoline supplying pipe 13 and of the amount of air is provided in the downstream-side pipe line 3. The hot-wire flowmeters 1a and 1b include two main hot wires 6 and two hot wires 8 for compensation, both of which are provided on a ring-shaped supporting frame. By these hot wires 6 and 8 a constant temperature bridge circuit Q is constituted together with a feedback circuit 12. The output of the bridge circuit Q is inputted in a substraction circuit 17 through the intermediary of addition circuits 13 and 14 and straightening circuits 15 and 16 and thereby the amount of supply of mixed gasoline is found. Moreover, when the ratio to the amount of air found from the hot-wire flowmeter 1a is found in a division circuit 18, the mixture ratio of air to gasoline can be found.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1484380A JPS56112610A (en) | 1980-02-12 | 1980-02-12 | Measuring device for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1484380A JPS56112610A (en) | 1980-02-12 | 1980-02-12 | Measuring device for gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56112610A true JPS56112610A (en) | 1981-09-05 |
| JPH0160771B2 JPH0160771B2 (en) | 1989-12-25 |
Family
ID=11872312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1484380A Granted JPS56112610A (en) | 1980-02-12 | 1980-02-12 | Measuring device for gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56112610A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0657722A2 (en) * | 1993-12-07 | 1995-06-14 | Hitachi, Ltd. | A hot wire type air flowmeter |
-
1980
- 1980-02-12 JP JP1484380A patent/JPS56112610A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0657722A2 (en) * | 1993-12-07 | 1995-06-14 | Hitachi, Ltd. | A hot wire type air flowmeter |
| EP0657722A3 (en) * | 1993-12-07 | 1996-01-10 | Hitachi Ltd | A hot wire type air flowmeter. |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0160771B2 (en) | 1989-12-25 |
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