JPS5943327A - Intake air pressure senser - Google Patents
Intake air pressure senserInfo
- Publication number
- JPS5943327A JPS5943327A JP15258282A JP15258282A JPS5943327A JP S5943327 A JPS5943327 A JP S5943327A JP 15258282 A JP15258282 A JP 15258282A JP 15258282 A JP15258282 A JP 15258282A JP S5943327 A JPS5943327 A JP S5943327A
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- intake pressure
- magnetic
- diaphragm
- resistance effect
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/14—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means involving the displacement of magnets, e.g. electromagnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
【発明の詳細な説明】
（１）技術分野
本発明は吸気圧センサに係り、さらに詳しくは車載用の
吸気圧センサに関するものである。DETAILED DESCRIPTION OF THE INVENTION (1) Technical Field The present invention relates to an intake pressure sensor, and more particularly to an intake pressure sensor for use in a vehicle.
（１１）従来技術
車載用の吸気圧センサは高温、振動、衝撃、汚れ、浸水
、カッリン、ノイズに対する信頼性ど、低コストの量産
性が要求される。(11) Prior Art Automotive intake pressure sensors are required to be mass-producible at low cost, with reliability against high temperatures, vibrations, shocks, dirt, water intrusion, crackling, and noise.
従来の自動車用吸気圧センサは第１図に示すように構成
されていた。A conventional automobile intake pressure sensor was constructed as shown in FIG.
第１図において省月１で示すものはり一一一／ングで、
連絡口２を介して負圧源に接続されている。In Figure 1, the number indicated by month 1 is 111/ng,
It is connected to a negative pressure source via a communication port 2.
ケーシング１とカバー３との間には直空バソギン４を介
してダイヤフラノ・５が取り付けられている。A diaphragm 5 is attached between the casing 1 and the cover 3 via a direct air basogin 4.
ダイヤフラム５にはその中央部にンヤノｌ−６が固定さ
れており、その先端はカバー３に摺動自在に嵌合されて
おり、外方に臨まされている。このシャフト６と対応し
た状態でマイク「］スイノグー７が配置されており、そ
のアクチュエータ８が／ヤフｌ−６と接触しうる位置に
ある。A ring l-6 is fixed to the diaphragm 5 at its center, and its tip is slidably fitted into the cover 3 and faces outward. A microphone 7 is disposed in correspondence with the shaft 6, and its actuator 8 is in a position where it can come into contact with the yaf l-6.
ケーシング１内は負圧室９となっており、カか−３側は
大気室１０となっている。The inside of the casing 1 is a negative pressure chamber 9, and the side of the casing 1 is an atmospheric chamber 10.
ケーシング１の前記／ヤヲト６と反対側には調整ねじ１
１が螺合されており、真空パツキン１２をｊ’ｉ’−１
〜で気密封１１されている３、ご−の調整ねじ１１（へ
−はばね受（・）１３が固定さノ′１．で−Ｌ−１）
、前記ダイヤフ′７４′・５との間にスゲリンク１４が
弾装されている。There is an adjustment screw 1 on the opposite side of the casing 1 from the above-mentioned /yawoto 6.
1 are screwed together, and the vacuum packing 12 is j'i'-1.
3. The adjusting screw 11 (to which the spring receiver (・) 13 is fixed) is hermetically sealed 11.
, a sedge link 14 is mounted between the diaphragm '74' and the diaphragm '74'.5.
以上のようなｔｉｌｌ）成のもとに負圧室９側に導かノ
１゜るｔ’］ＬＬにより、夕゛イヤフラノ・５をスゲリ
ンク１４のリリｊ発力に抗１ノーご変化させ、７・ヤフ
ト６を変位さぜ、７１．クロス−ｆソチ７を］ン、オゴ
ノさせている。Under the above-mentioned structure, the pressure is guided to the negative pressure chamber 9 side.・Displace Yaft 6, 71. Cross-f Sochi 7] is making me laugh.
イ」して、圧ＪＪとダイヤフラノ・５の変位を調整する
ン′、−めには、ダイヤ−２・シｌ−Ｊ十力調整ねじ１
１を調整している。To adjust the pressure JJ and the displacement of the diaphragm 5, use the diaphragm 2 sill J ten-force adjustment screw 1.
1 is being adjusted.
ところがこのような構造を有する従来の吸気ＬＦ士ｙ
−＋ｔ ＩＪ、スイッチがマイクロスイ７ノヂ７という
機（）（（的なスイッチであるため以Ｉ−レ（１、’ｔ
＋ｊΣべるような欠点がちつ／ｃ０
（１） マイク「１スイツチが接触式であるだめ面ｊ
久・ビ１に限界がある。However, the conventional intake LF engineer with such a structure
-+t IJ, the switch is a microswitch 7 noji 7 ()((() type switch, so it is
+jΣFlaws that can be heard/c0 (1) Microphone ``One switch is a contact type.
There is a limit to Kyu-B1.
（２）機械的スイッチのため、オン、オフ時にチャタリ
５・夕が発ノドする。(2) Since it is a mechanical switch, Chatari 5/Yu sounds when it is turned on or off.
（３） −４・１り「Ｆノ、イノチの」ン、オフにヒス
−】す〕／スがあり、その動作点かずｈ正確なス■ソチ
ノ〃゛が行なえない１、
（４）マイクロス１ソＪは機械式であ２）／（−λ゛）
、倹せ。(3) -4.1 There is a hiss in the OFF position, and the operating point cannot be adjusted accurately.1, (4) Micro S1 So J is mechanical2)/(-λ゛)
, Be frugal.
高精度を向上さ枇るのが困φ（ｆである。It is difficult to improve high accuracy φ(f).
（５） マイ７り［］ススイッチよ機械式ス・エツチ
ングのため、温度及び振動に対シ５．て検出精度を１＼
持するのが困知である。(5) My 7-ring switch is mechanically etched, so it is resistant to temperature and vibration. The detection accuracy is 1＼
It is difficult to have knowledge.
（６）マイク「１スイツチの製造上のばらつきが７（き
い。(6) Mike: ``Manufacturing variations in each switch are 7 (high).''
（７）接点部分へのＡ・１ルやごみのイ・１矯に、Ｌり
導通不良を生じやすい。(7) It is easy to cause poor conduction due to L in the A/1 line or dirt on the A/1 line to the contact part.
（８）接点部分の溶着が生じやすく、接点部１５１．が
出やすい、。(8) Welding of the contact portion easily occurs, and the contact portion 151. It's easy to come out.
（ｉｉｌ） 目的
本発明は以上のような従来の欠点を除去１゛る／１−め
になさｉたもので、確実な動作を行なうことができる吸
気１「センツを提供するととを、［」的としている。(iii) Purpose The present invention has been made to eliminate the above-mentioned drawbacks of the conventional art, and to provide an air intake system that can perform reliable operation. It has been the target.
本発明においては上記の目的を達成するために吸気圧検
出手段として磁気抵抗効尿素子（以−１・ΔＩ■（。In order to achieve the above object, the present invention employs a magnetoresistive element (hereinafter referred to as -1·ΔI■) as an intake pressure detection means.
素子という）を用い、ダイヤフラノ、側に発磁体を設け
／ｉ−構造を採用した。A magnetic element was installed on the side of the diaphragm, and an i-structure was adopted.
（１ｖ）実施例
り、１−１［ツ１面にｚｌｅす実施例に基づいて本発明
の詳細な説明す６゜
第１の−に流側
第１２図〜第・１図は本発明の一実施例を説明するもの
で、各図中第１図と同一部分には同−Ｆ１号をｆ・１シ
フ、その説明は省略する。(1v) Detailed explanation of the present invention based on the embodiments shown in 1-1. This is to explain one embodiment, and in each figure, the same parts as those in FIG.
１＼−ｔ−、ＩＯ＋１’Ａ１にあってはシャフト６の先
す１１４部に永久磁イーＩ智ズハらなる発磁体１５を設
け、その近傍においてｒｖｕｔ、Ｈ子１６を取り例けで
ある。1\-t-, IO+1'A1, a magnetizing body 15 made of permanent magnet EI is provided at the front 114 part of the shaft 6, and an rvut and H element 16 are provided in the vicinity thereof. .
へ・ＩＩ（、−：ｉ；丁は素子の電気抵抗仙１（、が磁
界によって第・化−す・ぐ罹（、ので、ガラス等の基板
の表面にＮｉ −１・゛（・−ｉ ！（：はＮ ｉ −
（、’（＋のような磁気抵抗効果を有する（１りζ１−
１１ト５．・肋膜１１ｔ（ＩＩ／２二によって形成しま
たもので、所定の・・ターンにエツチングに」、り形成
される。Since the electrical resistance of the element is affected by the magnetic field, the surface of the substrate such as glass is coated with Ni -1. !(: is N i −
(, '(+) has a magnetoresistive effect (1riζ1−
11 5. - The pleura 11t (formed by II/2 and etched in predetermined turns) is formed.
第、１図はＭ Ｒ，素−〔の具体的な構成の一例を示す
も・７）−Ｃ１１電流通路が互いにｉ自交Ｉ−ており、
かつ、蛇イー１して形成さｉｔた強磁性体（の薄膜、以
Ｆ同様）Ａ、１３と、その両端に接続された電極１７．
１８を有し、中央部は強磁性体Ａ 、 Ｂの接続点に」
９・いて出力端子１９が接続されている。Figure 1 shows an example of a specific configuration of MR, element 7) -C11 current paths are orthogonal to each other,
In addition, a ferromagnetic material (thin film, hereinafter F) A, 13 formed of a ferromagnetic material 1, and electrodes 17 connected to both ends thereof.
18, and the central part is the connection point of ferromagnetic materials A and B.
9. The output terminal 19 is connected.
このような構潰のＭｌｌ、素子の動作原理図を第４図に
示す。FIG. 4 shows a diagram of the principle of operation of such a collapsed Mll and element.
第４図において今、強磁性体Ａ、、 Ｉ３を飽和磁化
さぜるのに充分な磁界１１を強磁性体Ａ、Ｉ（をζ≧Ｉ
’ｒ平面内において、強磁性体Ｉ−（の主′ｔｌｆｉ流
路に対し７でθの角度をなすように作用させ／ζ場合、
強磁・１′１体Ａ、１３の電気抵抗■転、Ｒ，が変化し
、その変化［鋒は次の（１） 、 （２）式で表わさノ
Ｌる。In Fig. 4, a magnetic field 11 sufficient to saturate the ferromagnetic materials A, I3 is applied to the ferromagnetic materials A, I (ζ≧I
In the 'r plane, when the main 'tlfi flow path of the ferromagnetic material I-( is acted upon at an angle of θ at 7/ζ,
The electrical resistance R of the ferromagnetic 1'1 body A and 13 changes, and the change is expressed by the following equations (1) and (2).
Ｒ，Ａ＝ Ｒｏ斗−Δ）（、α）Ｓ２（９０−一〇 ）
３１．、、 、、、 、、、 、、、 （＋）Ｒ，、＝
Ｒｏ４ΔＲ，瀉２θ ・・・ ・・・ ・・・（２）
（１）、 （２）式において１もＯは強磁性体Ａ、
１３を十′市流路と平行に飽和磁化した時の′１ｂ、気
抵抗値−Ｃ１ΔＩｔ。R, A = Roto - Δ) (, α) S2 (90 - 10)
31. ,, ,,, ,,, ,,, (+)R,,=
Ro4ΔR, 〉2θ ... ... (2)
In equations (1) and (2), 1 and O are ferromagnetic A,
13 is saturated magnetized parallel to the To'ichi flow path, '1b, air resistance value -C1ΔIt.
は最大抵抗変化にを示す。indicates the maximum resistance change.
゛マタ、 出しｊ哩喘−ｆ−１９ノ４１Ｔ Ｖ （θｔ
ｉｑｔ強＜ａｔ＜ｔ ｆ＋ Ａ 。゛Mata, out j-gasp-f-19-41T V (θt
iqt strong<at<t f+ A.
Ｂが１θ列接続であるプζめ電源ａｔ：圧をＸ′０と−
ｆ／′、・）、次の（３）式で表わされる、。B is a 1θ series connection, and the power supply at:
f/', ·), expressed by the following equation (3).
（３）式においで右辺の第１．［貞（りＬ基厚７■も川
を・ｔシ５、第２ Ｈ４は変化１．３を小す。In equation (3), the first . [Sada (ri L basic thickness 7 ■ also river / tshi 5, second H4 reduces change 1.3.
すなわ１ハ この八′ＩＦ（・素子に近接しで発磁体を
移Ａ Ｒ，・Ｖ
！１イリさ（凡と出力電圧としこ］ｎ譜豆部′θを得る
（−とができる。この出力が出力レベ７＋とし７て不充
分な」↓ｈ合は差動アンプ等により増幅すればよい。In other words, 1C This 8' IF (・Move the magnetic body close to the element AR,・V! If the output is insufficient as an output level of 7+, it may be amplified by a differential amplifier or the like.
本実施例は以上の」：うに溝成さ）１ているため、ス・
ｆノヂングが非接触であり、」／、３７時のグー乙。This example has the above ``uni-groove structure'', so
f Noding is non-contact,''/, 37 o'clock goo.
Ａ・リングの発生をなくすことができ、耐久性を大幅に
向上さぜることができ、さらＱ・こオイルやごみの１・
１着や溶着が牛しることがない。 −寸だ、ＭＲ，
素トをｆｊＦ、□ｌ和磁化することにより、スイッチン
グのオン、オフのヒステリシスを減少できる。例えば、
従来のマイクロスイッチではヒステリシスによるスイッ
チングの誤差量が０１〜ｏ２胴あったのが、本発明にお
いては１１ｔｌＴｌ〜］、 Ｏｔｔｍにすることができ
、検出イ′Δ度を大幅に増大させることができる。It can eliminate the occurrence of A-rings, greatly improve durability, and it can also remove oil and dirt from Q-rings.
There is no problem with first wear or welding. -It's a size, MR.
By magnetizing the element fjF, □l, the hysteresis of switching on and off can be reduced. for example,
In the conventional microswitch, the switching error amount due to hysteresis was 01 to o2, but in the present invention, it can be reduced to 11tlTl~], Ottm, and the detection angle can be greatly increased.
捷た、Ｍ ］、Ｌ素子は薄膜堆積法により形成できるた
め、大間生産が可能で、製造−Ｌのばらつきが小さく低
コスト化を実現できる。Since the twisted, M], L element can be formed by a thin film deposition method, it can be produced over a long period of time, and the manufacturing cost can be reduced with small variations in manufacturing L.
さらに、温度（でよる出力の変動は強磁ｔｉ１体Ａ、、
ＩＪを直列接続しているな、め、柿で小さく、へ・ＩＴ
（素ｒ＝自体が可動部がなめため振動に対して極めて強
い。。Furthermore, the variation in output due to temperature (ferromagnetic Ti1 body A,...
IJ is connected in series, it's small with a persimmon, to IT
(The element r itself has smooth moving parts, so it is extremely resistant to vibration.)
第２の実施例
第５図は本発明の他の実施例を示すもので、本実施例に
あっては、／ヤント６を軟磁性体から形成しンヤノト６
の基部に発磁体１５を設け／こ構造を採用している。Second Embodiment FIG. 5 shows another embodiment of the present invention. In this embodiment, the /yanto 6 is made of a soft magnetic material.
A magnetic body 15 is provided at the base of the structure.
このような構造を採用すると発磁体１５の磁界が強１”
ぎる場合に用いられ、軟磁性体からなる／ヤフトの長さ
を適当に選択することにより、へ４１（。If such a structure is adopted, the magnetic field of the magnet generator 15 will be strong 1"
By appropriately selecting the length of the shaft made of soft magnetic material, it is possible to
素子１６の近傍の磁界の大きさを調整することができる
。The magnitude of the magnetic field in the vicinity of element 16 can be adjusted.
第３の実施例
第６図は本発明のもう一つの実施例を説明するもので本
実施例にあっては／ヤフト６及びダ・１−＼・フラム１
をプラスチックマグネット等から一体成形することによ
り、製造下杵、組みＮ’７１て工程を簡略化することが
できる。Third Embodiment FIG. 6 explains another embodiment of the present invention. In this embodiment,
By integrally molding the N'71 from a plastic magnet or the like, it is possible to simplify the manufacturing and assembling processes.
ところで、ＭＪｇイの特徴としてへＨＬ素子は面内成分
の外部磁場に対しては敏感であるが、面内に対して重重
方向の外部磁場にズｔ しては鈍感であるという１イＩ
質がある。この性質が外部ノイズに対しでは強いという
長所となるが、而内方向の外部磁場に関しては直接的に
出力に影響し７てくる。By the way, one of the characteristics of the MJg is that the HL element is sensitive to an external magnetic field with an in-plane component, but is insensitive to an external magnetic field in the gravity direction relative to the in-plane component.
It has quality. This property has the advantage of being strong against external noise, but external magnetic fields in the internal direction directly affect the output.
吊子の実施例
この外部磁場の影響を除去する構造を採用したのが第７
図に示す実施例である。Example of a hanger The seventh model adopted a structure that eliminates the influence of external magnetic fields.
This is an example shown in the figure.
本実施例にあってはＭＩｔ素子を軟磁性体からなる磁気
／−ルド２０で囲むことにより、而内方向からの外部磁
気ノイズに対しても影響がなく Ｓ、／Ｎ比を向上さゼ
ることかできる。In this embodiment, by surrounding the MIt element with a magnetic shield 20 made of a soft magnetic material, there is no effect on external magnetic noise from internal directions, and the S/N ratio is improved. I can do it.
第９の実施例
第８図は本発明のさらに他の実Ｍｒｊ例を説明するもの
で、本実施例にあってはへ＝Ｉｌ（、素子１６の近傍に
バイアス磁界発生用の発磁体２１を設け、ＭＩ？・素子
−にバイアス磁界を印加することにより／ギフト６に設
けた発磁体を省略することができる構造を採用した。こ
の場合にはノー・フト６を軟磁性体で作成するか、また
はノー＼・ノド６の先端部に軟磁性体２２を設けること
によりＭＲ・素子の出力をイ！することができる。Ninth Embodiment FIG. 8 explains still another practical Mrj example of the present invention. By applying a bias magnetic field to the MI?・element, we have adopted a structure in which the magnetizing body provided in the gift 6 can be omitted.In this case, the no-ft 6 can be made of a soft magnetic material. Alternatively, by providing a soft magnetic material 22 at the tip of the nose 6, the output of the MR element can be increased.
このような構造を採用することにより、・・□ｊ −／
’ス磁磁界へのＭ ｆｌｕ素子を一体成形することがで
き、単体でも特性の評価ができる。この結果、バイアス
磁界がない場合にゾヤフｌ−６側の発磁体１５の磁化方
向を調整する必要があるのに対し、／′−＼′フト６に
軟磁性体を取り付けるたりでよいため、組み立て時の調
整を必要としないという効果がある３、（）効果
以上の説明から明らかなように本発明によ）Ｌば吸気圧
センサのスイッチングをＭ １．Ｌ素子によって行なう
構造を採用しているため極めて確実な動イ′［を行なう
吸気圧センサを得ることができる。By adopting such a structure...□j −/
It is possible to integrally mold the Mflu element to the magnetic field, and the characteristics can be evaluated even as a single unit. As a result, while it is necessary to adjust the magnetization direction of the magnetizing element 15 on the Zoyaf l-6 side when there is no bias magnetic field, it is only necessary to attach a soft magnetic material to the /'-\' foot 6, so the assembly is easy. 3. (2) Effects As is clear from the above explanation, the present invention has the effect that the switching of the intake pressure sensor is not required. Since the structure employs the L element, it is possible to obtain an intake pressure sensor that performs extremely reliable movement.
第１図は従来構造を説明する縦断側面図、第２図〜第４
図は本発明の一実施例を説明するもので第２１ｊｊ、４
ｉは縦断側面図、第３図はＮ・１．１（、素子部の拡入
−゛１′−面図、第・１図は動イ／Ｙ７臣叩の説（１）
１図、第５図〜第８［司は本発明のそ）１−ぞ−Ｊ＋−
異なった他の実施例を・Ｊ−１す縦断側面図である。
１・・ウー、・ング ５・夕■ヤ−７ラノ、６７′
ヤノト １４ スブリンク１５ 発（ム体
１６、− Ｍ Ｊ（、素子２０ 磁気／−
ルド ２トハイアス磁界発生川発磁体
第１図
第２図
第３図
第４図
Ｂ
第５図
＼ １１
１
第６図
第７囚 、２１５
第８図Figure 1 is a vertical side view explaining the conventional structure, Figures 2 to 4
The figure is for explaining one embodiment of the present invention.
i is a longitudinal side view, Figure 3 is an enlarged view of the element section N.
Figure 1, Figure 5 to Figure 8 [The main part is the part of the present invention] 1-zo-J+-
It is a longitudinal cross-sectional side view of J-1 of another different embodiment. 1...Woo,...Ng 5.Yu ■Ya-7 Rano, 67'
Yanoto 14 Sublink 15 (Mu body 16, - M J (, element 20 Magnetic/-
Figure 2 Figure 3 Figure 4 B Figure 5＼ 11 1 Figure 6 Figure 7 Prisoner, 215 Figure 8
Claims (3)
を検出する吸気圧セン現において、前記ダイヤフラムに
発磁体を固定し、との発磁体の近傍に磁気抵抗効果素子
を設けたことを特徴とする吸気圧センサ。(1) In an intake pressure sensor that detects intake pressure by displacement of a diaphragm due to pressure change, a magnetoresistive element is fixed to the diaphragm, and a magnetoresistive element is provided near the magnetoresistive element. Barometric pressure sensor.
ルドしブζことを特徴とする特￥１請求の範囲第１項記
載の吸気圧セン−リ。(2) The magnetoresistive L effect element is magnetized by a soft magnetic material.
1. The intake pressure sensor according to claim 1, wherein the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that the intake pressure sensor is characterized in that:
１．、、、ダイヤフラム側の発磁体を除去したことを
特徴とする特Ｊ′１品求の範囲第１項記載の吸気圧セン
サ。(3) Insert IaW of the magnetoresistive element... hll
1. . . . An intake pressure sensor according to item 1 of the specification J'1, characterized in that the magnetizing body on the diaphragm side is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15258282A JPS5943327A (en) | 1982-09-03 | 1982-09-03 | Intake air pressure senser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15258282A JPS5943327A (en) | 1982-09-03 | 1982-09-03 | Intake air pressure senser |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22671490A Division JPH03115749A (en) | 1990-08-30 | 1990-08-30 | Intake pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5943327A true JPS5943327A (en) | 1984-03-10 |
Family
ID=15543612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15258282A Pending JPS5943327A (en) | 1982-09-03 | 1982-09-03 | Intake air pressure senser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5943327A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2570822A1 (en) * | 1984-09-27 | 1986-03-28 | Nihon Radiator Co | PRESSURE CONVERTER ESTABLISHING AN ELECTRICAL SIGNAL THAT REPRESENTS THE VALUE OF THE PRESSURE APPLIED |
| JPS62121327A (en) * | 1985-11-21 | 1987-06-02 | Kanbayashi Seisakusho:Kk | Pressure sensor |
| US6510792B1 (en) | 1996-09-26 | 2003-01-28 | Heidelberger Druckmaschinen Aktiengesellschaft | Device for forming a sheet pile for a sheet fed rotary printing press |
| JP2008024315A (en) * | 2006-07-18 | 2008-02-07 | Meiji Rubber & Chem Co Ltd | Non slip material for synthetic resin-made pallet, and synthetic resin-made pallet with non slip material fixed thereto |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034260A (en) * | 1973-06-12 | 1975-04-02 | ||
| JPS5528979B2 (en) * | 1977-05-20 | 1980-07-31 |
-
1982
- 1982-09-03 JP JP15258282A patent/JPS5943327A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034260A (en) * | 1973-06-12 | 1975-04-02 | ||
| JPS5528979B2 (en) * | 1977-05-20 | 1980-07-31 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2570822A1 (en) * | 1984-09-27 | 1986-03-28 | Nihon Radiator Co | PRESSURE CONVERTER ESTABLISHING AN ELECTRICAL SIGNAL THAT REPRESENTS THE VALUE OF THE PRESSURE APPLIED |
| JPS62121327A (en) * | 1985-11-21 | 1987-06-02 | Kanbayashi Seisakusho:Kk | Pressure sensor |
| US6510792B1 (en) | 1996-09-26 | 2003-01-28 | Heidelberger Druckmaschinen Aktiengesellschaft | Device for forming a sheet pile for a sheet fed rotary printing press |
| JP2008024315A (en) * | 2006-07-18 | 2008-02-07 | Meiji Rubber & Chem Co Ltd | Non slip material for synthetic resin-made pallet, and synthetic resin-made pallet with non slip material fixed thereto |
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