JPWO2010013734A1 - 圧電モジュールおよび内燃機関ならびにグロープラグ - Google Patents
圧電モジュールおよび内燃機関ならびにグロープラグ Download PDFInfo
- Publication number
- JPWO2010013734A1 JPWO2010013734A1 JP2010522733A JP2010522733A JPWO2010013734A1 JP WO2010013734 A1 JPWO2010013734 A1 JP WO2010013734A1 JP 2010522733 A JP2010522733 A JP 2010522733A JP 2010522733 A JP2010522733 A JP 2010522733A JP WO2010013734 A1 JPWO2010013734 A1 JP WO2010013734A1
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- piezoelectric element
- pressure
- inner cylinder
- piezoelectric module
- 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.)
- Granted
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Classifications
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/001—Glowing plugs for internal-combustion engines
- F23Q2007/002—Glowing plugs for internal-combustion engines with sensing means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
2:圧電素子
2a:第1の面
2b:第2の面
3:差込具
4:外筒
5:内筒
6:圧力室(圧力を測定する対象である装置)
6a:取付け孔(貫通孔)
6b:段差
Claims (7)
- 先頭ピンと、該先頭ピンの後端面側に第1の面が位置するように設けられた圧電素子と、該圧電素子の前記第1の面に対向する第2の面を先端が押圧する棒状の差込具とを具備し、装置の取付け孔に挿置される圧電モジュールであって、前記差込具の先端部に一端が固定されるとともに他端が前記取付け孔の壁面の段差に係止されて前記圧電素子および前記先頭ピンの後端部を覆う外筒と、該外筒の内側に設置された、前記先頭ピンから前記圧電素子に伝わる圧力を弾性変形して緩和する内筒とを有していることを特徴とする圧電モジュール。
- 前記圧電素子は、前記内筒の内側に配置されていることを特徴とする請求項1記載の圧電モジュール。
- 前記内筒は、内面と外面との間の厚みが1mm以下であることを特徴とする請求項1または請求項2記載の圧電モジュール。
- 前記内筒は、長さが3mm以上であることを特徴とする請求項1乃至請求項3のいずれかに記載の圧電モジュール。
- 前記外筒は、前記差込具の先端部に固定される前記一端が前記圧電素子よりも前記先頭ピンから離れる側に位置していることを特徴とする請求項1乃至請求項4のいずれかに記載の圧電モジュール。
- 請求項1乃至請求項5のいずれかに記載の圧電モジュールを搭載したことを特徴とする内燃機関。
- 請求項1乃至請求項5のいずれかに記載の圧電モジュールを設けたことを特徴とするグロープラグ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010522733A JP5165062B2 (ja) | 2008-07-29 | 2009-07-29 | 圧電モジュールおよび内燃機関ならびにグロープラグ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008194590 | 2008-07-29 | ||
JP2008194590 | 2008-07-29 | ||
PCT/JP2009/063470 WO2010013734A1 (ja) | 2008-07-29 | 2009-07-29 | 圧電モジュールおよび内燃機関ならびにグロープラグ |
JP2010522733A JP5165062B2 (ja) | 2008-07-29 | 2009-07-29 | 圧電モジュールおよび内燃機関ならびにグロープラグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2010013734A1 true JPWO2010013734A1 (ja) | 2012-01-12 |
JP5165062B2 JP5165062B2 (ja) | 2013-03-21 |
Family
ID=41610433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010522733A Expired - Fee Related JP5165062B2 (ja) | 2008-07-29 | 2009-07-29 | 圧電モジュールおよび内燃機関ならびにグロープラグ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5165062B2 (ja) |
WO (1) | WO2010013734A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011203103A (ja) * | 2010-03-25 | 2011-10-13 | Kyocera Corp | 圧電モジュールおよびこれを備えたグロープラグ |
JP5975793B2 (ja) * | 2012-08-29 | 2016-08-23 | シチズンファインデバイス株式会社 | 燃焼圧センサ |
JP5978073B2 (ja) * | 2012-08-31 | 2016-08-24 | シチズンファインデバイス株式会社 | 燃焼圧センサ |
JP5820759B2 (ja) * | 2012-03-29 | 2015-11-24 | シチズンファインデバイス株式会社 | 圧力検出装置の製造方法、圧力検出装置付き内燃機関の製造方法 |
JP6951241B2 (ja) * | 2017-12-27 | 2021-10-20 | シチズンファインデバイス株式会社 | 圧力検出装置および圧力検出装置の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5931045U (ja) * | 1982-08-23 | 1984-02-27 | 株式会社日本自動車部品総合研究所 | 圧力検出器 |
JPS59141028A (ja) * | 1983-01-31 | 1984-08-13 | Nissan Motor Co Ltd | 座金型圧力センサ |
JP3260597B2 (ja) * | 1995-08-04 | 2002-02-25 | 日本特殊陶業株式会社 | 圧力センサ付プラグ |
-
2009
- 2009-07-29 WO PCT/JP2009/063470 patent/WO2010013734A1/ja active Application Filing
- 2009-07-29 JP JP2010522733A patent/JP5165062B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2010013734A1 (ja) | 2010-02-04 |
JP5165062B2 (ja) | 2013-03-21 |
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