JPH0243634U - - Google Patents
Info
- Publication number
- JPH0243634U JPH0243634U JP12114988U JP12114988U JPH0243634U JP H0243634 U JPH0243634 U JP H0243634U JP 12114988 U JP12114988 U JP 12114988U JP 12114988 U JP12114988 U JP 12114988U JP H0243634 U JPH0243634 U JP H0243634U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- covered
- pressure detector
- air pressure
- vibrating element
- 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
- 239000013078 crystal Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims 1
- 239000004745 nonwoven fabric Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Description
第１図本考案の第１実施例を示す断面図で、第
２図は第２実施例を示す一部切欠き断面図、第３
図は本考案空気圧検出器を自動車エンジンの吸気
装置に設置した説明図で、第４図は電気回路図を
示すものである。
１……カバー、２……多数の孔、３……チユー
ブ、Ａ，Ｂ……水晶振動素子。
Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a partially cutaway sectional view showing the second embodiment, and Fig. 3 is a sectional view showing the second embodiment.
The figure is an explanatory diagram of the air pressure detector of the present invention installed in the intake system of an automobile engine, and FIG. 4 shows an electric circuit diagram. 1... Cover, 2... Many holes, 3... Tube, A, B... Crystal vibrating element.
Claims (1)
出器において、水晶振動素子の周囲を多数の孔を
有するカバーで被覆すると共に、前記カバーの周
面を通気量が１００〜５００c.c.／cm2の弗素樹
脂繊維の編織生地又はガーレー係数５〜７の不織
布からなるチユーブで包囲したことを特徴とする
空気圧検出器。 In an air pressure detector equipped with a piezoelectric crystal quartz crystal vibrating element, the periphery of the crystal vibrating element is covered with a cover having a large number of holes, and the circumferential surface of the cover is covered with an air flow rate of 100 to 500 c.c./cm 2 . An air pressure detector characterized in that it is surrounded by a tube made of a woven fabric of fluororesin fibers or a nonwoven fabric with a Gurley coefficient of 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12114988U JPH0243634U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12114988U JPH0243634U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243634U true JPH0243634U (en) | 1990-03-26 |
Family
ID=31367898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12114988U Pending JPH0243634U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243634U (en) |
-
1988
- 1988-09-14 JP JP12114988U patent/JPH0243634U/ja active Pending