JPH0193523U - - Google Patents
Info
- Publication number
- JPH0193523U JPH0193523U JP18825187U JP18825187U JPH0193523U JP H0193523 U JPH0193523 U JP H0193523U JP 18825187 U JP18825187 U JP 18825187U JP 18825187 U JP18825187 U JP 18825187U JP H0193523 U JPH0193523 U JP H0193523U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- intake pipe
- small diameter
- intake
- throttle
- 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 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図および第２図は本考案の実施例を示し、
第１図は流量検出装置を設けた吸気管を示す縦断
面図、第２図は絞り管等を示す斜視図、第３図は
従来技術の流量検出装置を設けた吸気管を示す縦
断面図、第４図は他の従来技術を示す第３図と同
様の縦断面図である。
３，７……管部材、１１……ケーシング、１２
……絞り管、１２Ａ……大径部、１２Ｂ……絞り
部、１２Ｃ……小径部、１３Ａ，１３Ｂ，１３Ｃ
……逃がし孔、１４……熱線素子、１５……ブラ
ケツト、１８……リード線、Ｆ３，Ｆ４……流速
分布、Ｖ３，Ｖ４……流速。
1 and 2 show an embodiment of the present invention,
Fig. 1 is a longitudinal sectional view showing an intake pipe equipped with a flow rate detection device, Fig. 2 is a perspective view showing a throttle pipe, etc., and Fig. 3 is a longitudinal sectional view showing an intake pipe equipped with a conventional flow rate detection device. , FIG. 4 is a longitudinal sectional view similar to FIG. 3 showing another prior art. 3, 7... Pipe member, 11... Casing, 12
... Throttle tube, 12A... Large diameter section, 12B... Squeezed section, 12C... Small diameter section, 13A, 13B, 13C
...Escape hole, 14...Hot wire element, 15...Bracket, 18...Lead wire, F3 , F4 ...Flow velocity distribution, V3 , V4 ...Flow velocity.
Claims (1)
、上流端が大径部となり、途中が下流側に向けて
漸次縮径し、下流端側が小径部となつた絞り管と
、該絞り管の外周に形成され、前記吸気管内に吸
入された空気の一部を該絞り管の下流側に逃がす
逃がし孔と、前記絞り管の小径部内に設けられ、
該小径部内を流れる空気流量を検出する熱線素子
とから構成してなる吸入空気流量検出装置。 A throttle pipe that is located in the middle of an intake pipe and is provided in the intake pipe, and has a large diameter part at the upstream end, a diameter that gradually decreases in the middle toward the downstream side, and a small diameter part at the downstream end, and the throttle pipe. an escape hole formed on the outer periphery of the intake pipe to allow a portion of the air sucked into the intake pipe to escape to the downstream side of the throttle pipe; and an escape hole provided in a small diameter portion of the throttle pipe;
An intake air flow rate detection device comprising a hot wire element that detects the flow rate of air flowing within the small diameter portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18825187U JPH0193523U (en) | 1987-12-10 | 1987-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18825187U JPH0193523U (en) | 1987-12-10 | 1987-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193523U true JPH0193523U (en) | 1989-06-20 |
Family
ID=31479357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18825187U Pending JPH0193523U (en) | 1987-12-10 | 1987-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193523U (en) |
-
1987
- 1987-12-10 JP JP18825187U patent/JPH0193523U/ja active Pending