FI125492B - Tryckgivare - Google Patents

Tryckgivare Download PDF

Info

Publication number
FI125492B
FI125492B FI20145723A FI20145723A FI125492B FI 125492 B FI125492 B FI 125492B FI 20145723 A FI20145723 A FI 20145723A FI 20145723 A FI20145723 A FI 20145723A FI 125492 B FI125492 B FI 125492B
Authority
FI
Finland
Prior art keywords
circuit board
cavity
pressure sensor
pressure
transducer
Prior art date
Application number
FI20145723A
Other languages
English (en)
Finnish (fi)
Other versions
FI20145723A (sv
Inventor
Teuvo Sillanpää
Hannu Sipola
Heikki Seppä
Niklas Doktar
Original Assignee
Teknologian Tutkimuskeskus Vtt Oy
Wärtsilä Finland Oy
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 Teknologian Tutkimuskeskus Vtt Oy, Wärtsilä Finland Oy filed Critical Teknologian Tutkimuskeskus Vtt Oy
Priority to FI20145723A priority Critical patent/FI125492B/sv
Priority to PCT/FI2015/050508 priority patent/WO2016024041A1/en
Application granted granted Critical
Publication of FI20145723A publication Critical patent/FI20145723A/sv
Publication of FI125492B publication Critical patent/FI125492B/sv

Links

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
    • G01L23/26—Details or accessories
    • G01L23/28—Cooling means
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F02B77/085—Safety, indicating, or supervising devices with sensors measuring combustion processes, e.g. knocking, pressure, ionization, combustion flame
    • 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
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/04—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by acoustic means
    • G01L11/06—Ultrasonic means
    • 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0016—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a diaphragm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/08—Testing internal-combustion engines by monitoring pressure in cylinders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Fluid Pressure (AREA)
FI20145723A 2014-08-15 2014-08-15 Tryckgivare FI125492B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20145723A FI125492B (sv) 2014-08-15 2014-08-15 Tryckgivare
PCT/FI2015/050508 WO2016024041A1 (en) 2014-08-15 2015-07-21 Pressure sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145723A FI125492B (sv) 2014-08-15 2014-08-15 Tryckgivare
FI20145723 2014-08-15

Publications (2)

Publication Number Publication Date
FI20145723A FI20145723A (sv) 2015-10-30
FI125492B true FI125492B (sv) 2015-10-30

Family

ID=53762203

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20145723A FI125492B (sv) 2014-08-15 2014-08-15 Tryckgivare

Country Status (2)

Country Link
FI (1) FI125492B (sv)
WO (1) WO2016024041A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10646197B2 (en) * 2016-07-06 2020-05-12 Biosense Webster (Israel) Ltd. Ascertaining tissue thickness
CN112445270B (zh) * 2019-08-16 2023-03-31 华为技术有限公司 终端的按键结构和终端
DE102021122224A1 (de) * 2021-08-27 2023-03-02 Endress+Hauser SE+Co. KG Drucksensor, insbesondere für Drucke von mehr als 100 bar

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS597234A (ja) 1982-07-05 1984-01-14 Aisin Seiki Co Ltd 圧力センサ
US5714680A (en) 1993-11-04 1998-02-03 The Texas A&M University System Method and apparatus for measuring pressure with fiber optics
JP4635996B2 (ja) 2006-09-26 2011-02-23 株式会社デンソー 超音波センサ
FI20075879A0 (sv) 2007-12-05 2007-12-05 Valtion Teknillinen Anordning för mätning av tryck, variation i ljudtryck, magnetfält, acceleration, vibration och sammansättning av gas
CN201561837U (zh) * 2009-05-18 2010-08-25 刘恒 汽车、拖拉机机油压力报警传感器

Also Published As

Publication number Publication date
WO2016024041A1 (en) 2016-02-18
FI20145723A (sv) 2015-10-30

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PC Transfer of assignment of patent

Owner name: TEKNOLOGIAN TUTKIMUSKESKUS VTT OY

Owner name: WA RTSILA FINLAND OY

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