JPH02144634U - - Google Patents
Info
- Publication number
- JPH02144634U JPH02144634U JP5345389U JP5345389U JPH02144634U JP H02144634 U JPH02144634 U JP H02144634U JP 5345389 U JP5345389 U JP 5345389U JP 5345389 U JP5345389 U JP 5345389U JP H02144634 U JPH02144634 U JP H02144634U
- Authority
- JP
- Japan
- Prior art keywords
- air flow
- measuring device
- throttle valve
- generating means
- flow rate
- 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
- 241000234435 Lilium Species 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Volume Flow (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案による空気流量測定装置の一
実施例を示す説明図、第２図は空気流量測定装置
における差圧と空気流量との関係を示すグラフ、
第３図は従来の内燃機関の空気流量測定装置を示
す説明図、及び第４図は空気流量測定装置の差圧
と流量との関係を示すグラフである。
４……スロツトルバルブ、５……スロツトル開
度検出器、６……差圧検出器、７……ベンチユリ
、８……絶対圧検出器、９……温度検出器、１０
……信号処理回路、ΔＰ……差圧、θ……スロツ
トル開度。
FIG. 1 is an explanatory diagram showing an embodiment of the air flow measuring device according to this invention, and FIG. 2 is a graph showing the relationship between differential pressure and air flow rate in the air flow measuring device.
FIG. 3 is an explanatory diagram showing a conventional air flow measuring device for an internal combustion engine, and FIG. 4 is a graph showing the relationship between differential pressure and flow rate of the air flow measuring device. 4... Throttle valve, 5... Throttle opening detector, 6... Differential pressure detector, 7... Bench lily, 8... Absolute pressure detector, 9... Temperature detector, 10
...Signal processing circuit, ΔP...Differential pressure, θ...Throttle opening.
Claims (1)
空気流との差圧により吸入空気流量を求める内燃
機関の空気流量測定装置において、前記スロツト
ルバルブの下流の空気流の圧力を前記スロツトル
バルブの下流に設けた負圧発生手段から検出した
空気流量測定装置。 (2) 前記負圧発生手段はベンチユリである請求
項１に記載の空気流量測定装置。[Claims for Utility Model Registration] (1) In an air flow rate measuring device for an internal combustion engine that determines the intake air flow rate based on the differential pressure between the air flow upstream of the throttle valve and the air flow downstream of the throttle valve, An air flow measuring device that detects the pressure of the air flow from a negative pressure generating means provided downstream of the throttle valve. (2) The air flow measuring device according to claim 1, wherein the negative pressure generating means is a bench lily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5345389U JPH02144634U (en) | 1989-05-11 | 1989-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5345389U JPH02144634U (en) | 1989-05-11 | 1989-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144634U true JPH02144634U (en) | 1990-12-07 |
Family
ID=31574649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5345389U Pending JPH02144634U (en) | 1989-05-11 | 1989-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144634U (en) |
-
1989
- 1989-05-11 JP JP5345389U patent/JPH02144634U/ja active Pending
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