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JPS57119231A - Pressure detector - Google Patents

Pressure detector

Info

Publication number
JPS57119231A
JPS57119231A JP540681A JP540681A JPS57119231A JP S57119231 A JPS57119231 A JP S57119231A JP 540681 A JP540681 A JP 540681A JP 540681 A JP540681 A JP 540681A JP S57119231 A JPS57119231 A JP S57119231A
Authority
JP
Japan
Prior art keywords
pressure
sensitive element
pressure sensitive
heat
receiving plug
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
JP540681A
Other languages
Japanese (ja)
Other versions
JPS6348295B2 (en
Inventor
Makoto Ozaki
Tadashi Hattori
Etsuro Yasuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 by Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP540681A priority Critical patent/JPS57119231A/en
Publication of JPS57119231A publication Critical patent/JPS57119231A/en
Publication of JPS6348295B2 publication Critical patent/JPS6348295B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0681—Protection against excessive heat
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

PURPOSE:To prevent damage of pressure sensitive elements due to heat by a detector wherein a pressure receiving plug formed of heat insulative materials is interposed between the pressure sensitive element and diaphragm. CONSTITUTION:A pressure receiving plug 18 formed of heat insulative materials and servings as a pressure medium is interposed between a pressure sensitive element 14 and a diaphragm 15. In addition, the pressure detector includes an electrode 11, and insulator 12, a housing 13, a lead wire 17, and an earthing lead wire 20 connecting the housing 13 and an earthing delectrode 142 of the pressure sensitive element 14. Pressure in a combustion chamber 4 of a cylinder for internal combustion engines acts on the diaphragm 15 and is then transmitted to the pressure sensitive element 14 through the pressure receiving plug 18. At this time, heat is also transmitted to the pressure sensitive element 14 through the pressure receiving plug 18. However, the pressure receiving plug 18 is formed of heat insulative materials, so that an amount of heat transmitted to the pressure sensitive element 14 is reduced and the pressure sensitive element 14 will not be subject to an adverse effect due to heat.
JP540681A 1981-01-16 1981-01-16 Pressure detector Granted JPS57119231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP540681A JPS57119231A (en) 1981-01-16 1981-01-16 Pressure detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP540681A JPS57119231A (en) 1981-01-16 1981-01-16 Pressure detector

Publications (2)

Publication Number Publication Date
JPS57119231A true JPS57119231A (en) 1982-07-24
JPS6348295B2 JPS6348295B2 (en) 1988-09-28

Family

ID=11610255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP540681A Granted JPS57119231A (en) 1981-01-16 1981-01-16 Pressure detector

Country Status (1)

Country Link
JP (1) JPS57119231A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113732U (en) * 1983-01-22 1984-08-01 株式会社山武 semiconductor pressure transducer
JPS60133338A (en) * 1983-12-22 1985-07-16 Nippon Denso Co Ltd Pressure detector of internal-combustion engine
JPH01124537U (en) * 1988-02-15 1989-08-24

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5820759B2 (en) * 2012-03-29 2015-11-24 シチズンファインデバイス株式会社 Method for manufacturing pressure detection device, method for manufacturing internal combustion engine with pressure detection device
JP5975793B2 (en) * 2012-08-29 2016-08-23 シチズンファインデバイス株式会社 Combustion pressure sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113732U (en) * 1983-01-22 1984-08-01 株式会社山武 semiconductor pressure transducer
JPS60133338A (en) * 1983-12-22 1985-07-16 Nippon Denso Co Ltd Pressure detector of internal-combustion engine
JPH0465966B2 (en) * 1983-12-22 1992-10-21 Nippon Denso Kk
JPH01124537U (en) * 1988-02-15 1989-08-24

Also Published As

Publication number Publication date
JPS6348295B2 (en) 1988-09-28

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