JP5981910B2 - エンジン用シリンダ内圧センサ - Google Patents
エンジン用シリンダ内圧センサ Download PDFInfo
- Publication number
- JP5981910B2 JP5981910B2 JP2013507195A JP2013507195A JP5981910B2 JP 5981910 B2 JP5981910 B2 JP 5981910B2 JP 2013507195 A JP2013507195 A JP 2013507195A JP 2013507195 A JP2013507195 A JP 2013507195A JP 5981910 B2 JP5981910 B2 JP 5981910B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- ring block
- internal pressure
- pressure sensor
- engine
- 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.)
- Expired - Fee Related
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- 229910017932 Cu—Sb Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- JVPLOXQKFGYFMN-UHFFFAOYSA-N gold tin Chemical compound [Sn].[Au] JVPLOXQKFGYFMN-UHFFFAOYSA-N 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/222—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using piezoelectric devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
Description
Claims (13)
- エンジンの燃焼室に臨ませた機能部品の先端部外周面に装着することにより前記エンジンのシリンダの内圧を検出するリング形に構成したエンジン用シリンダ内圧センサにおいて、軸方向の中間部に軸方向の弾性を有する弾性部位を形成してなる外筒部及び内筒部からなるハウジングユニットと、前記弾性部位の前方に位置する前記外筒部と前記内筒部間に気密に固定し、かつ当該弾性部位を通して前記弾性部位より後方に臨ませるとともに、前面が受圧面となる受圧リングブロック部と、この受圧リングブロック部の後面に設けた一方の電極部に接し、かつ前記受圧リングブロック部から内圧が付与されるとともに、周方向の所定位置に配した少なくとも一つ以上の圧力検出素子と、前記外筒部と前記内筒部間に固定し、かつ前面が前記圧力検出素子を支持する支持面になるとともに、他方の電極を兼ねた支持リングブロック部とを備えることを特徴とするエンジン用シリンダ内圧センサ。
- 前記受圧リングブロック部の後面部位に接し、かつ前記圧力検出素子を除く部位には、周方向に沿った一又は二以上のスペーサを配置することを特徴とする請求項1記載のエンジン用シリンダ内圧センサ。
- 前記圧力検出素子と前記スペーサは前記受圧リングブロック部の周方向に沿って交互に配置することを特徴とする請求項2記載のエンジン用シリンダ内圧センサ。
- 前記スペーサの軸方向長さは、前記圧力検出素子の軸方向長さに対応させて選定することを特徴とする請求項2又は3記載のエンジン用シリンダ内圧センサ。
- 前記弾性部位は、前記外筒部及び前記内筒部の中間部に、屈曲部又は湾曲部を形成することにより設けることを特徴とする請求項1〜4にいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記受圧リングブロック部は、前側に配した受圧リング本体部と、後側に配することにより当該受圧リング本体部に当接する絶縁ブロック部により構成することを特徴とする請求項1〜5のいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記圧力検出素子は、単結晶材料を用いることを特徴とする請求項1〜6のいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記圧力検出素子の前面,前記受圧リングブロック部の後面,前記圧力検出素子の後面,前記支持リングブロック部の前面には、密着強化層となる内層,拡散防止層となる中間層,拡散層となる外層による接合層をコーティングしてなることを特徴とする請求項1〜7のいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記受圧リングブロック部の後面,前記支持リングブロック部の前面,前記圧力検出素子の前面又は前記圧力検出素子の後面には、所定の厚さを有する溶融系接合層を用いた前記圧力検出素子に対するアライメント調整層を設けることを特徴とする請求項1〜8のいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記一方の電極における前記圧力検出素子が存在しない部位にリードを接続するコネクタ部を備えることを特徴とする請求項1〜9のいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記コネクタ部は、前記リードと前記一方の電極間に介在する圧縮したスプリングを備えることを特徴とする請求項10記載のエンジン用シリンダ内圧センサ。
- 前記機能部品は、前記シリンダ内に燃料を噴射するインジェクタであることを特徴とする請求項1〜11のいずれかに記載のエンジン用シリンダ内圧センサ。
- 前記機能部品は、前記シリンダ内の燃料に点火する点火プラグであることを特徴とする請求項1〜11のいずれかに記載のエンジン用シリンダ内圧センサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPPCT/JP2011/001976 | 2011-03-31 | ||
PCT/JP2011/001976 WO2012131788A1 (ja) | 2011-03-31 | 2011-03-31 | エンジン用シリンダ内圧センサ |
PCT/JP2012/002182 WO2012132450A1 (ja) | 2011-03-31 | 2012-03-29 | エンジン用シリンダ内圧センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012132450A1 JPWO2012132450A1 (ja) | 2014-07-24 |
JP5981910B2 true JP5981910B2 (ja) | 2016-08-31 |
Family
ID=46929637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013507195A Expired - Fee Related JP5981910B2 (ja) | 2011-03-31 | 2012-03-29 | エンジン用シリンダ内圧センサ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8915125B2 (ja) |
EP (1) | EP2693185B1 (ja) |
JP (1) | JP5981910B2 (ja) |
CN (1) | CN103460005B (ja) |
HK (1) | HK1191092A1 (ja) |
WO (2) | WO2012131788A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6008087B2 (ja) * | 2012-03-27 | 2016-10-19 | 株式会社ケーヒン | 筒内圧センサ付き燃料噴射弁 |
JP6074288B2 (ja) * | 2013-02-27 | 2017-02-01 | シチズンファインデバイス株式会社 | 圧力検出装置 |
JP6066767B2 (ja) * | 2013-02-28 | 2017-01-25 | シチズンファインデバイス株式会社 | 内燃機関用燃焼圧センサ及びその製造方法。 |
JP6284018B2 (ja) * | 2014-03-27 | 2018-02-28 | Tdk株式会社 | 燃焼圧センサ |
DE112015001644T8 (de) * | 2014-04-04 | 2017-01-19 | Citizen Finedevice Co., Ltd. | Zylinderinnendruckerfassungsvorrichtung |
JP7273508B2 (ja) * | 2018-12-28 | 2023-05-15 | 川崎重工業株式会社 | 船舶 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58144247U (ja) * | 1982-03-24 | 1983-09-28 | 日産自動車株式会社 | 内燃機関の筒内圧力センサ取付装置 |
JPS59211835A (ja) * | 1983-05-18 | 1984-11-30 | Nissan Motor Co Ltd | 筒内圧検出装置 |
JPS63235841A (ja) * | 1987-03-25 | 1988-09-30 | Ngk Spark Plug Co Ltd | ガスケツト型圧力センサ− |
US20020043898A1 (en) * | 2000-09-13 | 2002-04-18 | Sebastian James R. | High temperature piezoelectric sensor |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434327A (ja) | 1990-05-30 | 1992-02-05 | Nissan Motor Co Ltd | 燃焼圧力センサ |
JPH06307953A (ja) * | 1993-04-27 | 1994-11-04 | Hitachi Ltd | 物理量検出装置 |
US5831263A (en) * | 1994-04-26 | 1998-11-03 | Hitachi, Ltd. | In-cylinder pressure sensing apparatus for multi-cylinder engine |
JPH1194675A (ja) | 1997-09-19 | 1999-04-09 | Ngk Spark Plug Co Ltd | 圧力センサ |
JP2000277233A (ja) | 1999-03-24 | 2000-10-06 | Ngk Spark Plug Co Ltd | 圧力センサ内蔵スパークプラグ |
US7152478B2 (en) * | 2000-07-20 | 2006-12-26 | Entegris, Inc. | Sensor usable in ultra pure and highly corrosive environments |
JP4620882B2 (ja) * | 2001-02-20 | 2011-01-26 | 日本特殊陶業株式会社 | 圧力センサ内蔵プラグ |
CA2476095A1 (en) * | 2002-02-15 | 2003-08-28 | Dana Corporation | Multiple-layer cylinder head gasket with integral pressure sensor apparatus for measuring pressures within engine cylinders |
US6739183B1 (en) * | 2002-02-15 | 2004-05-25 | Dana Corporation | Multiple-layer cylinder head gasket with integral pressure sensor apparatus for measuring pressures within engine cylinders |
BR0307732A (pt) * | 2002-02-15 | 2005-04-26 | Dana Corp | Sensor de pressão de combustão e método de fabricar gaxeta |
US6701775B1 (en) * | 2002-02-15 | 2004-03-09 | Dana Corporation | Pressure sensor apparatus for measuring pressures including knock conditions in engine cylinders |
JP2004045184A (ja) * | 2002-07-11 | 2004-02-12 | Denso Corp | 半導体力学量センサ |
US7197937B2 (en) * | 2005-01-26 | 2007-04-03 | Sensata Technologies, Inc. | Hermetic pressure sensing device |
EP1856497B1 (de) * | 2005-02-24 | 2014-08-20 | Kistler Holding AG | Bauteil für piezoelektrische kraft- oder drucksensoren, zusammengehalten von elektrisch isolierendem film |
GB0609519D0 (en) * | 2006-05-12 | 2006-06-21 | Delphi Tech Inc | Fuel injector |
JP5547201B2 (ja) * | 2008-10-03 | 2014-07-09 | フェデラル−モーグル コーポレイション | 圧縮センサガスケットおよび構成方法 |
JP2012528998A (ja) * | 2009-06-01 | 2012-11-15 | フェデラル−モーグル コーポレイション | 圧縮センサガスケットアセンブリおよび構築方法 |
JP2011022071A (ja) * | 2009-07-17 | 2011-02-03 | Ngk Spark Plug Co Ltd | 燃焼圧センサ |
-
2011
- 2011-03-31 WO PCT/JP2011/001976 patent/WO2012131788A1/ja active Application Filing
-
2012
- 2012-03-29 US US14/004,282 patent/US8915125B2/en not_active Expired - Fee Related
- 2012-03-29 EP EP12765630.4A patent/EP2693185B1/en active Active
- 2012-03-29 CN CN201280016410.4A patent/CN103460005B/zh not_active Expired - Fee Related
- 2012-03-29 JP JP2013507195A patent/JP5981910B2/ja not_active Expired - Fee Related
- 2012-03-29 WO PCT/JP2012/002182 patent/WO2012132450A1/ja active Application Filing
-
2014
- 2014-05-06 HK HK14104301.0A patent/HK1191092A1/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58144247U (ja) * | 1982-03-24 | 1983-09-28 | 日産自動車株式会社 | 内燃機関の筒内圧力センサ取付装置 |
JPS59211835A (ja) * | 1983-05-18 | 1984-11-30 | Nissan Motor Co Ltd | 筒内圧検出装置 |
JPS63235841A (ja) * | 1987-03-25 | 1988-09-30 | Ngk Spark Plug Co Ltd | ガスケツト型圧力センサ− |
US20020043898A1 (en) * | 2000-09-13 | 2002-04-18 | Sebastian James R. | High temperature piezoelectric sensor |
Also Published As
Publication number | Publication date |
---|---|
US8915125B2 (en) | 2014-12-23 |
EP2693185A1 (en) | 2014-02-05 |
HK1191092A1 (zh) | 2014-07-18 |
EP2693185B1 (en) | 2019-07-31 |
JPWO2012132450A1 (ja) | 2014-07-24 |
CN103460005B (zh) | 2016-01-20 |
CN103460005A (zh) | 2013-12-18 |
WO2012132450A1 (ja) | 2012-10-04 |
US20140083388A1 (en) | 2014-03-27 |
WO2012131788A1 (ja) | 2012-10-04 |
EP2693185A4 (en) | 2015-01-14 |
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