JPS6253333U - - Google Patents

Info

Publication number
JPS6253333U
JPS6253333U JP1985144805U JP14480585U JPS6253333U JP S6253333 U JPS6253333 U JP S6253333U JP 1985144805 U JP1985144805 U JP 1985144805U JP 14480585 U JP14480585 U JP 14480585U JP S6253333 U JPS6253333 U JP S6253333U
Authority
JP
Japan
Prior art keywords
detection hole
attachments
piezoelectric element
combustion engine
internal combustion
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
Application number
JP1985144805U
Other languages
Japanese (ja)
Other versions
JPH0338674Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985144805U priority Critical patent/JPH0338674Y2/ja
Publication of JPS6253333U publication Critical patent/JPS6253333U/ja
Application granted granted Critical
Publication of JPH0338674Y2 publication Critical patent/JPH0338674Y2/ja
Expired legal-status Critical Current

Links

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  • Measuring Fluid Pressure (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は第一実施例の要部の縦断側面図、第２
図は第二実施例の要部の縦断側面図、第３図は第
三実施例の要部の縦断側面図、第４図は従来装置
の圧力センサーの縦断側面図である。 １；取付ブロツク、５；検出孔、５ａ；奥段面
、８；圧電素子板、９，２０，３２；圧力伝達杆
、１０，３０；下部端子板、１３，２２；ダイヤ
フラム、２１；嵌合溝、２３；円錐溝、２４；接
触球、３１；円錐面、３２；錐状端、４０；傾斜
面、４１；絶縁板。 Figure 1 is a longitudinal cross-sectional side view of the main parts of the first embodiment, and the second
The figure is a longitudinal sectional side view of the main part of the second embodiment, FIG. 3 is a longitudinal sectional side view of the main part of the third embodiment, and FIG. 4 is a longitudinal sectional side view of the pressure sensor of the conventional device. 1; Mounting block, 5; Detection hole, 5a; Inner surface, 8; Piezoelectric element plate, 9, 20, 32; Pressure transmission rod, 10, 30; Lower terminal plate, 13, 22; Diaphragm, 21; Fitting Groove, 23; Conical groove, 24; Contact sphere, 31; Conical surface, 32; Conical end, 40; Inclined surface, 41; Insulating plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内燃機関のシリンダーに装着される取付ブロツ
クに、検出開口がシリンダー内に位置する検出孔
を備え、その検出孔の内部に圧電素子板、圧力伝
達杆等の装着物を収納し、さらに前記検出孔の開
口端を、金属製ダイアフラムで密封し、前記各装
着物を検出孔の奥段面と、前記ダイアフラム間で
挟圧保持してなるものにおいて、前記検出孔の奥
段面と前記ダイアフラム間の、圧電素子板を除く
各部材のいずれかの接触部に、相互に点接触また
は線接触する一次元接触端縁対を適用したことを
特徴とする内燃機関の圧力センサー。 A mounting block to be attached to a cylinder of an internal combustion engine is provided with a detection hole in which a detection opening is located inside the cylinder, and a piezoelectric element plate, a pressure transmission rod, and other attachments are housed inside the detection hole. The opening end of the opening end is sealed with a metal diaphragm, and each of the attachments is held under pressure between the inner surface of the detection hole and the diaphragm. A pressure sensor for an internal combustion engine, characterized in that a pair of one-dimensional contact edges that make point or line contact with each other is applied to any contact portion of each member other than the piezoelectric element plate.
JP1985144805U 1985-09-21 1985-09-21 Expired JPH0338674Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985144805U JPH0338674Y2 (en) 1985-09-21 1985-09-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985144805U JPH0338674Y2 (en) 1985-09-21 1985-09-21

Publications (2)

Publication Number Publication Date
JPS6253333U true JPS6253333U (en) 1987-04-02
JPH0338674Y2 JPH0338674Y2 (en) 1991-08-15

Family

ID=31055750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985144805U Expired JPH0338674Y2 (en) 1985-09-21 1985-09-21

Country Status (1)

Country Link
JP (1) JPH0338674Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009536995A (en) * 2006-05-12 2009-10-22 デルファイ・テクノロジーズ・インコーポレーテッド Fuel injector
JPWO2016181449A1 (en) * 2015-05-11 2017-12-28 理化工業株式会社 Pressure sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2096826A (en) * 1936-02-29 1937-10-26 Rca Corp Piezometer
JPS4922910A (en) * 1972-06-19 1974-02-28
JPS57198811A (en) * 1981-05-20 1982-12-06 List Hans Measuring sensor with piezo-electric detecting element
JPS61107127A (en) * 1984-10-26 1986-05-26 テキサス　インスツルメンツ　インコーポレイテツド Pressure transmission device for cylinder for internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2096826A (en) * 1936-02-29 1937-10-26 Rca Corp Piezometer
JPS4922910A (en) * 1972-06-19 1974-02-28
JPS57198811A (en) * 1981-05-20 1982-12-06 List Hans Measuring sensor with piezo-electric detecting element
JPS61107127A (en) * 1984-10-26 1986-05-26 テキサス　インスツルメンツ　インコーポレイテツド Pressure transmission device for cylinder for internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009536995A (en) * 2006-05-12 2009-10-22 デルファイ・テクノロジーズ・インコーポレーテッド Fuel injector
JP4813597B2 (en) * 2006-05-12 2011-11-09 デルファイ・テクノロジーズ・ホールディング・エス．アー．エール．エル． Fuel injector
JPWO2016181449A1 (en) * 2015-05-11 2017-12-28 理化工業株式会社 Pressure sensor

Also Published As

Publication number Publication date
JPH0338674Y2 (en) 1991-08-15

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