JPS63121734U - - Google Patents
Info
- Publication number
- JPS63121734U JPS63121734U JP1218587U JP1218587U JPS63121734U JP S63121734 U JPS63121734 U JP S63121734U JP 1218587 U JP1218587 U JP 1218587U JP 1218587 U JP1218587 U JP 1218587U JP S63121734 U JPS63121734 U JP S63121734U
- Authority
- JP
- Japan
- Prior art keywords
- heating mechanism
- pressure
- pressure sensor
- pipe
- antifreeze device
- 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
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims 4
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図はこの考案の第１実施例を示し、内燃機
関の吸気系及び圧力検出部の概略図である。第２
図はこの考案の第２実施例を示し、内燃機関の吸
気系及び圧力検出部の概略図である。第３，４図
はこの考案の他の実施例を示し、内燃機関の吸気
系及び圧力検出部の概略図である。第５図は従来
の吸気系及び圧力検出部の概略図である。
図において、２は内燃機関の吸気系、４は吸気
通路、６はサージタンク、８は圧力検出部、１０
は圧力センサ、１２は導圧管、２０は加熱機構、
２２は冷却水管、そして２２ａは加熱部である。
FIG. 1 shows a first embodiment of this invention, and is a schematic diagram of an intake system and a pressure detection section of an internal combustion engine. Second
The figure shows a second embodiment of this invention, and is a schematic diagram of an intake system and a pressure detection section of an internal combustion engine. 3 and 4 show other embodiments of this invention, and are schematic diagrams of an intake system and a pressure detection section of an internal combustion engine. FIG. 5 is a schematic diagram of a conventional intake system and pressure detection section. In the figure, 2 is an intake system of an internal combustion engine, 4 is an intake passage, 6 is a surge tank, 8 is a pressure detection section, and 10
12 is a pressure sensor, 20 is a heating mechanism,
22 is a cooling water pipe, and 22a is a heating section.
Claims (1)
、この導圧管には該導圧管内の気体中に含有する
水分の凍結を防止する加熱機構を設けたことを特
徴とする圧力センサの凍結防止装置。 ２ 前記加熱機構は、内燃機関の冷却水を導く冷
却水からなる加熱機構である実用新案登録請求の
範囲第１項記載の圧力センサの凍結防止装置。 ３ 前記加熱機構は、電気ヒータからなる加熱機
構である実用新案登録請求の範囲第１項記載の圧
力センサの凍結防止装置。 ４ 前記加熱機構は、前記導圧管と一体的に断熱
材によつて包囲される加熱機構である実用新案登
録請求の範囲第１項記載の圧力センサの凍結防止
装置。[Claims for Utility Model Registration] 1. A pressure pipe that guides the intake pipe pressure to a pressure sensor is provided, and this pressure pipe is equipped with a heating mechanism to prevent moisture contained in the gas in the pressure pipe from freezing. Features: Pressure sensor antifreeze device. 2. The antifreeze device for a pressure sensor according to claim 1, wherein the heating mechanism is a heating mechanism made of cooling water that guides cooling water for an internal combustion engine. 3. The antifreeze device for a pressure sensor according to claim 1, wherein the heating mechanism is a heating mechanism comprising an electric heater. 4. The antifreeze device for a pressure sensor according to claim 1, wherein the heating mechanism is a heating mechanism that is integrally surrounded by a heat insulating material with the pressure guiding pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1218587U JPS63121734U (en) | 1987-01-31 | 1987-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1218587U JPS63121734U (en) | 1987-01-31 | 1987-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63121734U true JPS63121734U (en) | 1988-08-08 |
Family
ID=30800080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1218587U Pending JPS63121734U (en) | 1987-01-31 | 1987-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63121734U (en) |
-
1987
- 1987-01-31 JP JP1218587U patent/JPS63121734U/ja active Pending
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