JPH0321750U - - Google Patents
Info
- Publication number
- JPH0321750U JPH0321750U JP8124289U JP8124289U JPH0321750U JP H0321750 U JPH0321750 U JP H0321750U JP 8124289 U JP8124289 U JP 8124289U JP 8124289 U JP8124289 U JP 8124289U JP H0321750 U JPH0321750 U JP H0321750U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- engine
- piping
- negative pressure
- vacuum 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図はこの考案の一実施例による圧力検出装
置の構成説明図、第２図は従来の圧力検出装置の
構成説明図である。
１……エアークリーナ、２……吸気管、５……
エンジン、６……スロツトルバルブ、１０……配
管、１２……圧力センサ、１５，１９……切替ソ
レノイド、２０……バキユームタンク、２１……
負圧力取出口、２２……逆止弁。なお、図中、同
一符号は同一、又は相当部分を示す。
FIG. 1 is an explanatory diagram of the configuration of a pressure detection device according to an embodiment of this invention, and FIG. 2 is an explanatory diagram of the configuration of a conventional pressure detection device. 1...Air cleaner, 2...Intake pipe, 5...
Engine, 6... Throttle valve, 10... Piping, 12... Pressure sensor, 15, 19... Switching solenoid, 20... Vacuum tank, 21...
Negative pressure outlet, 22...check valve. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
気体を上記エンジンに導びく負圧吸気系と、この
負圧吸気系の圧力取出口に連なる配管に設けられ
上記エンジン内の気体の圧力を検出する圧力セン
サと、上記エンジンの負圧取出口からの負圧を蓄
えるとともに上記エンジンの停止直後における上
記配管内に滞溜した上記圧力センサの圧力検出に
支障を来たす物質を吸い込むバキユームタンクと
、上記配管の上記圧力センサ側と大気間および上
記配管と上記バキユームタンク間にそれぞれ介在
され上記エンジン停止直後に大気を上記配管を通
して上記バキユームタンク内に導入するための２
個の切替ソレノイドとを備えた圧力検出装置。 A negative pressure intake system that guides a mixture of fuel and air to be supplied to the engine to the engine, and a pressure that is installed in a pipe connected to the pressure outlet of this negative pressure intake system to detect the pressure of the gas in the engine. a sensor, a vacuum tank that stores negative pressure from the negative pressure outlet of the engine and sucks in substances that have accumulated in the piping immediately after the engine is stopped and that interfere with pressure detection by the pressure sensor, and the piping. 2, which are interposed between the pressure sensor side and the atmosphere and between the piping and the vacuum tank, respectively, for introducing the atmosphere into the vacuum tank through the piping immediately after the engine is stopped.
Pressure detection device equipped with several switching solenoids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8124289U JPH0321750U (en) | 1989-07-11 | 1989-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8124289U JPH0321750U (en) | 1989-07-11 | 1989-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321750U true JPH0321750U (en) | 1991-03-05 |
Family
ID=31627008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8124289U Pending JPH0321750U (en) | 1989-07-11 | 1989-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321750U (en) |
-
1989
- 1989-07-11 JP JP8124289U patent/JPH0321750U/ja active Pending
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