JPS6417426U - - Google Patents
Info
- Publication number
- JPS6417426U JPS6417426U JP11174387U JP11174387U JPS6417426U JP S6417426 U JPS6417426 U JP S6417426U JP 11174387 U JP11174387 U JP 11174387U JP 11174387 U JP11174387 U JP 11174387U JP S6417426 U JPS6417426 U JP S6417426U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- differential pressure
- gas flow
- flow rate
- engine
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Details Of Flowmeters (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
図は本考案の一実施例のブローバイガス流量測
定装置の全体構成図である。
図中、１……エンジン、１ａ……シリンダ、１
ｂ……ピストン、１ｃ……クランク室、１ｄ……
ブローバイガス取出口、１ｅ……吸気器、１ｆ…
…エンジンオイル、２……ガス出口、３……ガス
入口、４……リリーフバルブ、５……フロート式
バルブ、５ａ……ドレインコツク、５ｂ……フロ
ート、６，９，２３，２４……管路、７……液体
式フイルタ、７ａ……フイルタ液、８，１２，２
１……電磁バルブ、１０……レベルスイツチ、１
０ａ，１５ａ……端子、１１……乾式フイルタ、
１３……ガス流量検出部、１４……温度検出部、
１５，１６……表示部、１７……バルブ制御回路
、１８……制御回路、１９……ポンプ、１９ａ…
…可変速モータ、２０……チエツクバルブ、２２
……バイパス管、２５……差圧計、２６……検出
回路、２７……制御回路、２８……差圧表示計。
The figure is an overall configuration diagram of a blow-by gas flow rate measuring device according to an embodiment of the present invention. In the diagram, 1...Engine, 1a...Cylinder, 1
b...Piston, 1c...Crank chamber, 1d...
Blow-by gas outlet, 1e...Intake device, 1f...
...Engine oil, 2...Gas outlet, 3...Gas inlet, 4...Relief valve, 5...Float type valve, 5a...Drain pot, 5b...Float, 6, 9, 23, 24...Pipe Path, 7... Liquid filter, 7a... Filter liquid, 8, 12, 2
1... Solenoid valve, 10... Level switch, 1
0a, 15a... terminal, 11... dry filter,
13...Gas flow rate detection section, 14...Temperature detection section,
15, 16...display section, 17...valve control circuit, 18...control circuit, 19...pump, 19a...
...Variable speed motor, 20...Check valve, 22
... Bypass pipe, 25 ... Differential pressure gauge, 26 ... Detection circuit, 27 ... Control circuit, 28 ... Differential pressure display meter.
Claims (1)
入口とエンジンへブローバイガスを返流するガス
出口との間のガス流路に、ガス流量検出部とブロ
ーバイガス吸引用のポンプとを直列に接続して設
け、また上記ガス入口と上記ガス出口との間の圧
力差を検出する差圧計を設けて、この差圧計から
の差圧信号が入力される制御部からの出力制御信
号により、前記圧力差がゼロとなるよう上記ポン
プの作動が制御されるようにしたことを特徴とす
るブローバイガス流量測定装置。 A gas flow rate detection unit and a pump for sucking blowby gas are connected in series in a gas flow path between a gas inlet that takes in blowby gas from the engine and a gas outlet that returns blowby gas to the engine. A differential pressure gauge is provided to detect the pressure difference between the gas inlet and the gas outlet, and the pressure difference is made zero by an output control signal from a control unit to which the differential pressure signal from the differential pressure gauge is input. A blow-by gas flow rate measuring device characterized in that the operation of the pump is controlled as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11174387U JPH0631376Y2 (en) | 1987-07-20 | 1987-07-20 | Blow-by gas flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11174387U JPH0631376Y2 (en) | 1987-07-20 | 1987-07-20 | Blow-by gas flow measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6417426U true JPS6417426U (en) | 1989-01-27 |
| JPH0631376Y2 JPH0631376Y2 (en) | 1994-08-22 |
Family
ID=31350063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11174387U Expired - Lifetime JPH0631376Y2 (en) | 1987-07-20 | 1987-07-20 | Blow-by gas flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631376Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008089374A (en) * | 2006-09-29 | 2008-04-17 | Oval Corp | Flow measurement not affected by pressure loss by coriolis flowmeter, and flow controller |
| CN110031649A (en) * | 2019-05-07 | 2019-07-19 | 衢州职业技术学院 | A kind of capacity checking apparatus and its detection method of air velocity |
-
1987
- 1987-07-20 JP JP11174387U patent/JPH0631376Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008089374A (en) * | 2006-09-29 | 2008-04-17 | Oval Corp | Flow measurement not affected by pressure loss by coriolis flowmeter, and flow controller |
| JP4531028B2 (en) * | 2006-09-29 | 2010-08-25 | 株式会社オーバル | Flow measurement and flow control device not affected by pressure loss by Coriolis flowmeter |
| CN110031649A (en) * | 2019-05-07 | 2019-07-19 | 衢州职业技术学院 | A kind of capacity checking apparatus and its detection method of air velocity |
| CN110031649B (en) * | 2019-05-07 | 2023-10-27 | 衢州职业技术学院 | Air flow velocity capacity detection device and detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631376Y2 (en) | 1994-08-22 |
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