JPH01171323U - - Google Patents
Info
- Publication number
- JPH01171323U JPH01171323U JP6748188U JP6748188U JPH01171323U JP H01171323 U JPH01171323 U JP H01171323U JP 6748188 U JP6748188 U JP 6748188U JP 6748188 U JP6748188 U JP 6748188U JP H01171323 U JPH01171323 U JP H01171323U
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- flow rate
- air flow
- hot wire
- intake passage
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案に係わる内燃機関の吸入空気流
量測定装置の一実施例を示す断面図、第２図は同
上実施例の熱線式流量計を取り付けるスロツトル
ボデイの断面図、第３図は熱線式流量計の抵抗が
取付られるホルダの平面図、第４図は熱線式流量
計の回路図、第５図は従来の内燃機関の吸入空気
流量測定装置の一例を示す断面図である。
１１……スロツトルボデイ、１３……主吸気通
路、１７……バイパス通路、１７ｂ……バイパス
通路出口、２３……温度補償抵抗、２５……熱線
抵抗、２９……熱線式流量計の制御回路部。
Fig. 1 is a sectional view showing an embodiment of an intake air flow rate measuring device for an internal combustion engine according to the present invention, Fig. 2 is a sectional view of a throttle body to which a hot-wire type flow meter of the same embodiment is attached, and Fig. 3 is a hot-wire type flow meter. FIG. 4 is a plan view of a holder to which a resistor of a flowmeter is attached, FIG. 4 is a circuit diagram of a hot wire flowmeter, and FIG. 5 is a sectional view showing an example of a conventional intake air flow rate measuring device for an internal combustion engine. DESCRIPTION OF SYMBOLS 11... Throttle body, 13... Main intake passage, 17... Bypass passage, 17b... Bypass passage outlet, 23... Temperature compensation resistance, 25... Hot wire resistance, 29... Control circuit section of hot wire flow meter.
Claims (1)
ジ回路を構成し、該ブリツジ回路への供給電流値
から吸入空気の流量を測定するように構成した熱
線式流量計を備えた内燃機関の吸入空気流量測定
装置において、前記温度補償抵抗を主吸気通路に
配置し、前記熱線抵抗を、主吸気通路に沿つて配
設されると共に、入口を該主吸気通路入口が開口
されている雰囲気と同一の雰囲気中に開口して、
吸入空気を分流し、出口を該主吸気通路に開口し
ているバイパス通路に配置したことを、特徴とす
る内燃機関の吸入空気流量測定装置。 Intake air flow rate of an internal combustion engine equipped with a hot wire flowmeter configured to configure a bridge circuit including a hot wire resistance and a temperature compensation resistance, and to measure the intake air flow rate from the current value supplied to the bridge circuit. In the measuring device, the temperature compensation resistor is arranged in the main intake passage, the hot wire resistance is arranged along the main intake passage, and the inlet is placed in the same atmosphere as the atmosphere in which the entrance of the main intake passage is opened. Open inside,
1. An intake air flow rate measuring device for an internal combustion engine, characterized in that intake air is diverted and an outlet is disposed in a bypass passage opening into the main intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988067481U JP2515018Y2 (en) | 1988-05-24 | 1988-05-24 | Intake air flow rate measuring device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988067481U JP2515018Y2 (en) | 1988-05-24 | 1988-05-24 | Intake air flow rate measuring device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01171323U true JPH01171323U (en) | 1989-12-05 |
| JP2515018Y2 JP2515018Y2 (en) | 1996-10-23 |
Family
ID=31292850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988067481U Expired - Lifetime JP2515018Y2 (en) | 1988-05-24 | 1988-05-24 | Intake air flow rate measuring device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515018Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62119621U (en) * | 1986-01-23 | 1987-07-29 |
-
1988
- 1988-05-24 JP JP1988067481U patent/JP2515018Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62119621U (en) * | 1986-01-23 | 1987-07-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2515018Y2 (en) | 1996-10-23 |
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