JPH0363823U - - Google Patents
Info
- Publication number
- JPH0363823U JPH0363823U JP12482989U JP12482989U JPH0363823U JP H0363823 U JPH0363823 U JP H0363823U JP 12482989 U JP12482989 U JP 12482989U JP 12482989 U JP12482989 U JP 12482989U JP H0363823 U JPH0363823 U JP H0363823U
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- base material
- detection device
- air amount
- amount detection
- 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 11
- 239000000463 material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000010409 thin film Substances 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案の一実施例におけるホルダ及び
検出素子の平面図、第２図ａは第１図中−線
断面図、第２図ｂは第１図中−線断面図、第
３図は第１図中−線断面図、第４図は本考案
の一実施例に係る吸入空気量検出装置の平面図、
第５図は同、縦断面図である。
１……ホルダ、２……本体、３……蓋体、４…
…金属鏡面ヒータ（鏡面部材）、１０……検出素
子、１１……基材、１２……吸気温度検出抵抗体
（感熱低抗体）、１３……流速検出抵抗体（感熱
抵抗体）、５，６，７，１４，１５，１８……リ
ード部材、１９……ケース、２０……吸気筒。
FIG. 1 is a plan view of a holder and a detection element in an embodiment of the present invention, FIG. 1 is a sectional view taken along the line in FIG. 1, and FIG. 4 is a plan view of an intake air amount detection device according to an embodiment of the present invention.
FIG. 5 is a longitudinal sectional view of the same. 1... Holder, 2... Main body, 3... Lid, 4...
...Metal mirror heater (mirror surface member), 10...Detection element, 11...Base material, 12...Intake air temperature detection resistor (heat-sensitive low antibody), 13...Flow velocity detection resistor (heat-sensitive resistor), 5, 6, 7, 14, 15, 18...Reed member, 19...Case, 20...Intake cylinder.
Claims (1)
薄膜状の抵抗体であつて少くとも測定対象の吸入
空気の流速による温度変化に応じて抵抗値が変化
する感熱抵抗体を備えた検出素子と、少くとも前
記吸入空気の流れ方向に開口部を有し、該開口部
に前記検出素子を収容し前記吸入空気の流れ方向
に対し前記基材の板面が平行になるように固定す
るホルダとを備えた吸入空気量検出装置において
、前記基材の前記感熱抵抗体付着部と前記ホルダ
との間に、少くとも前記感熱抵抗体付着部に対向
する面を鏡面とする鏡面部材を介装したことを特
徴とする吸入空気量検出装置。 (2) 前記鏡面部材が、少くとも内側面を鏡面に
形成したＵ字状の加熱抵抗体であつて、該加熱抵
抗体を、前記基材の前記感熱低抗体付着部を囲繞
するように配置して前記ホルダに固定したことを
特徴とする請求項１記載の吸入空気量検出装置。[Claims for Utility Model Registration] (1) A flat base material and a thin film resistor attached to the plate surface of the base material, which responds at least to temperature changes due to the flow velocity of the intake air to be measured. a detection element including a heat-sensitive resistor whose resistance value changes; and an opening in at least the flow direction of the intake air; the detection element is accommodated in the opening; In the intake air amount detection device including a holder for fixing the material so that the plate surfaces of the material are parallel, at least the heat-sensitive resistor-attached part is located between the heat-sensitive resistor-attached part of the base material and the holder. An intake air amount detection device characterized in that a mirror member having a mirror surface on a surface facing the is interposed. (2) The mirror member is a U-shaped heating resistor having at least a mirror surface on its inner surface, and the heating resistor is arranged so as to surround the thermosensitive hypoantibody attachment portion of the base material. The intake air amount detection device according to claim 1, wherein the intake air amount detection device is fixed to the holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12482989U JPH0363823U (en) | 1989-10-25 | 1989-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12482989U JPH0363823U (en) | 1989-10-25 | 1989-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363823U true JPH0363823U (en) | 1991-06-21 |
Family
ID=31672728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12482989U Pending JPH0363823U (en) | 1989-10-25 | 1989-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2072973A1 (en) | 2007-12-14 | 2009-06-24 | Hitachi Ltd. | Fluid flow rate measurement apparatus |
-
1989
- 1989-10-25 JP JP12482989U patent/JPH0363823U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2072973A1 (en) | 2007-12-14 | 2009-06-24 | Hitachi Ltd. | Fluid flow rate measurement apparatus |
| US7971479B2 (en) | 2007-12-14 | 2011-07-05 | Hitachi, Ltd. | Fluid flow rate measurement apparatus |