JPH02118239U - - Google Patents
Info
- Publication number
- JPH02118239U JPH02118239U JP2628989U JP2628989U JPH02118239U JP H02118239 U JPH02118239 U JP H02118239U JP 2628989 U JP2628989 U JP 2628989U JP 2628989 U JP2628989 U JP 2628989U JP H02118239 U JPH02118239 U JP H02118239U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- combustion engine
- internal combustion
- intake
- expansion tank
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１，２図はこの考案の実施例を示し、第１図
は吸気圧測定装置の概略図、第２図は拡張タンク
及び弁機構の断面図である。第３図はこの考案の
他の実施例を示し、拡張タンク及び弁機構の断面
図である。第４図は従来の吸気圧測定装置の概略
図である。
図において、２は内燃機関、４は吸気管、６は
吸気通路、１２は導圧管、１４は導圧通路、１６
は圧力センサ、２０は拡張室、２２は拡張タンク
、２４は弁機構、２６は弁圧力室、３２は弁アー
ム、３４は弁体、３８は弁口、そして４２は大気
導入通路である。
Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a schematic diagram of the intake pressure measuring device, and Figure 2 being a sectional view of the expansion tank and valve mechanism. FIG. 3 shows another embodiment of this invention, and is a sectional view of the expansion tank and valve mechanism. FIG. 4 is a schematic diagram of a conventional intake pressure measuring device. In the figure, 2 is an internal combustion engine, 4 is an intake pipe, 6 is an intake passage, 12 is a pressure impulse pipe, 14 is a pressure impulse passage, 16
2 is a pressure sensor, 20 is an expansion chamber, 22 is an expansion tank, 24 is a valve mechanism, 26 is a valve pressure chamber, 32 is a valve arm, 34 is a valve body, 38 is a valve port, and 42 is an atmospheric air introduction passage.
Claims (1)
に導く導圧通路の導圧管途中に前記導圧通路に連
通する拡張室を形成した拡張タンクを設け、内燃
機関の停止時に前記拡張室に大気圧を作用させる
とともに前記内燃機関の運転時には前記拡張室へ
の大気圧作用を停止する弁機構を前記拡張タンク
に設けたことを特徴とする内燃機関用吸気圧測定
装置。 An expansion tank having an expansion chamber communicating with the pressure impulse passage is provided in the pressure impulse passage that leads the intake pipe pressure from the intake passage of the intake pipe to the pressure sensor, and when the internal combustion engine is stopped, the expansion tank is filled with atmospheric pressure. An intake pressure measuring device for an internal combustion engine, characterized in that the expansion tank is provided with a valve mechanism that applies atmospheric pressure to the expansion chamber while the internal combustion engine is in operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2628989U JPH02118239U (en) | 1989-03-08 | 1989-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2628989U JPH02118239U (en) | 1989-03-08 | 1989-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118239U true JPH02118239U (en) | 1990-09-21 |
Family
ID=31247781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2628989U Pending JPH02118239U (en) | 1989-03-08 | 1989-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019163708A (en) * | 2018-03-19 | 2019-09-26 | トヨタ自動車株式会社 | Internal combustion engine |
-
1989
- 1989-03-08 JP JP2628989U patent/JPH02118239U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019163708A (en) * | 2018-03-19 | 2019-09-26 | トヨタ自動車株式会社 | Internal combustion engine |