DE68904135D1 - Wandler fuer sehr hohen druck, insbesondere zur druckmessung einer hydraulischen fluessigkeit. - Google Patents

Wandler fuer sehr hohen druck, insbesondere zur druckmessung einer hydraulischen fluessigkeit.

Info

Publication number
DE68904135D1
DE68904135D1 DE8989830336T DE68904135T DE68904135D1 DE 68904135 D1 DE68904135 D1 DE 68904135D1 DE 8989830336 T DE8989830336 T DE 8989830336T DE 68904135 T DE68904135 T DE 68904135T DE 68904135 D1 DE68904135 D1 DE 68904135D1
Authority
DE
Germany
Prior art keywords
pressure
head
mushroom
sensors
measured
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
Application number
DE8989830336T
Other languages
English (en)
Other versions
DE68904135T2 (de
Inventor
Gian Maria Timossi
Orto Giuseppe Dell
Giuseppina Rossi
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.)
Marelli Europe SpA
Original Assignee
Marelli Autronica SpA
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 Marelli Autronica SpA filed Critical Marelli Autronica SpA
Application granted granted Critical
Publication of DE68904135D1 publication Critical patent/DE68904135D1/de
Publication of DE68904135T2 publication Critical patent/DE68904135T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
    • G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE8989830336T 1988-07-21 1989-07-18 Wandler fuer sehr hohen druck, insbesondere zur druckmessung einer hydraulischen fluessigkeit. Expired - Fee Related DE68904135T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67689/88A IT1223710B (it) 1988-07-21 1988-07-21 Trasduttore di altissima pressione in particolare per il rilevamento della pressione di un fluido idraulico

Publications (2)

Publication Number Publication Date
DE68904135D1 true DE68904135D1 (de) 1993-02-11
DE68904135T2 DE68904135T2 (de) 1993-05-27

Family

ID=11304518

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989830336T Expired - Fee Related DE68904135T2 (de) 1988-07-21 1989-07-18 Wandler fuer sehr hohen druck, insbesondere zur druckmessung einer hydraulischen fluessigkeit.

Country Status (7)

Country Link
US (1) US4965777A (de)
EP (1) EP0352240B1 (de)
JP (1) JPH0254138A (de)
AT (1) ATE84146T1 (de)
DE (1) DE68904135T2 (de)
ES (1) ES2037471T3 (de)
IT (1) IT1223710B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181417A (en) * 1989-07-10 1993-01-26 Nippon Soken, Inc. Pressure detecting device
DE4009377A1 (de) * 1990-03-23 1991-10-02 Bosch Gmbh Robert Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen
WO1993015323A1 (en) * 1992-02-01 1993-08-05 Malina, Viktor High-pressure hydraulic unit
US5363452A (en) * 1992-05-19 1994-11-08 Shure Brothers, Inc. Microphone for use in a vibrating environment
US5341684A (en) * 1992-12-07 1994-08-30 Motorola, Inc. Pressure sensor built into a cable connector
US5629486A (en) * 1996-01-25 1997-05-13 Delco Electronics Corporation Pressure sensor apparatus with integrated circuit mounted thereon
US5802912A (en) * 1996-01-25 1998-09-08 Delco Electronics Corporation Electrical terminal apparatus
US5867886A (en) * 1997-10-20 1999-02-09 Delco Electronics Corp. Method of making a thick film pressure sensor
US6742397B2 (en) 2001-06-08 2004-06-01 Invensys Sensor Systems High pressure sensor with separate pressure port and housing and method for making the same
DE10157761A1 (de) * 2001-11-27 2003-06-05 Endress & Hauser Gmbh & Co Kg Druckaufnehmer
DE10318678A1 (de) 2003-04-24 2004-12-30 Vega Grieshaber Kg Sensor, insbesondere Druck-Sensor zur Befestigung an einem Behältnis
US6945118B2 (en) * 2004-01-13 2005-09-20 Honeywell International Inc. Ceramic on metal pressure transducer
WO2006048278A1 (en) * 2004-11-03 2006-05-11 Basell Polyolefine Gmbh Pressure transducer
PL2312290T3 (pl) * 2009-10-16 2020-06-01 First Sensor Mobility Gmbh Czujnik ciśnienia i jego zastosowanie w zbiorniku płynu

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477507A (en) * 1945-08-02 1949-07-26 Africano Alfred Electrical pressure gauge
US3247719A (en) * 1963-10-01 1966-04-26 Chelner Herbert Strain decoupled transducer
DE2608382A1 (de) * 1976-03-01 1977-10-06 Hottinger Messtechnik Baldwin Aufnehmer mit einer membran
JPS5365089A (en) * 1976-11-24 1978-06-10 Toshiba Corp Semiconductor pressure transducer
US4129042A (en) * 1977-11-18 1978-12-12 Signetics Corporation Semiconductor transducer packaged assembly
US4295116A (en) * 1979-12-05 1981-10-13 Bofors America, Inc. Pressure transducer
DE3012984A1 (de) * 1980-04-03 1981-10-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Messwertaufnehmer
US4399707A (en) * 1981-02-04 1983-08-23 Honeywell, Inc. Stress sensitive semiconductor unit and housing means therefor
US4373399A (en) * 1981-02-05 1983-02-15 Beloglazov Alexei V Semiconductor strain gauge transducer
US4411158A (en) * 1981-04-14 1983-10-25 Ametek, Inc. Apparatus for sensing the condition of a fluid
DE3303980A1 (de) * 1983-02-05 1984-09-27 Erich 7993 Kressbronn Brosa Hochdruckaufnehmer
US4516430A (en) * 1983-12-05 1985-05-14 Kulite Semiconductor Products, Inc. Economical transducer apparatus for use in the medical field
DE3440568A1 (de) * 1984-11-07 1986-05-15 Robert Bosch Gmbh, 7000 Stuttgart Hochdrucksensor
DE3447396A1 (de) * 1984-12-24 1986-07-03 Robert Bosch Gmbh, 7000 Stuttgart Elektrischer druckgeber
JPH0746065B2 (ja) * 1985-03-25 1995-05-17 株式会社日本自動車部品総合研究所 高圧用圧力検出器
IT206726Z2 (it) * 1985-09-17 1987-10-01 Marelli Autronica Dispositivo misuratore di pressione
US4683755A (en) * 1985-11-15 1987-08-04 Imo Delaval Inc. Biaxial strain gage systems
DE3601249A1 (de) * 1986-01-17 1987-07-23 Gewerk Eisenhuette Westfalia Druckaufnehmer fuer hydraulisch betriebene vorrichtungen des untertaegigen bergbaus
DE3611656A1 (de) * 1986-04-07 1987-10-08 Westfaelische Berggewerkschaft Hydraulischer sensor einer anlage des untertagebetriebes, insbesondere des hydraulischen strebausbaus

Also Published As

Publication number Publication date
ES2037471T3 (es) 1993-06-16
DE68904135T2 (de) 1993-05-27
IT8867689A0 (it) 1988-07-21
EP0352240A1 (de) 1990-01-24
US4965777A (en) 1990-10-23
EP0352240B1 (de) 1992-12-30
JPH0254138A (ja) 1990-02-23
ATE84146T1 (de) 1993-01-15
IT1223710B (it) 1990-09-29

Similar Documents

Publication Publication Date Title
DE68904135D1 (de) Wandler fuer sehr hohen druck, insbesondere zur druckmessung einer hydraulischen fluessigkeit.
DE3781471D1 (de) Schaltung fuer die vorspannung eines magnetoresistiven sensors und fuer die verstaerkung der erregten signale.
EP0325805A3 (de) Messwertaufnehmer zur nichtinvasiven Messung von Schall, Druck und Vibrationen am menschlichen Körper
ATE228334T1 (de) Vorrichtung zum testen der analytkonzentration in einer flüssigkeit
EP1688585A3 (de) Apparat und Verfahren zum Schutz von Vorrichtungen, insbesondere faseroptische Vorrichtungen in aggressiven Umgebungen
EP0911623A3 (de) Hochdrucksensor und Herstellungsverfahren
DE102006028673A1 (de) Drucksensor
EP0403257A3 (de) Hochdruckwandler
EP0898368A3 (de) Sensoreinrichtung
DE3879312D1 (de) Kalibrierverfahren fuer eine messaufnehmeranordnung zur flaechigen druckmessung und vorrichtung zur durchfuehrung des verfahrens.
DE102004006199B4 (de) Mikromechanischer Drucksensor für hohe Drücke
EP0318268A3 (de) Deflektionsmessung
EP0214468A2 (de) Drucksensor
JPS649333A (en) Pressure measuring apparatus
EP0320299A3 (de) Drucksensoren und Methode zum Messen des Drucks
US3577112A (en) Apparatus for high pressure measurement
CN220582120U (zh) 一种工业液位传感器
JPS646837A (en) Vibration type differential pressure sensor
SU1434289A1 (ru) Устройство дл измерени давлени на корпусе гидродинамической модели
KR960034998A (ko) 압력감지기
JPH0278924A (ja) 圧力検出装置
SU741075A1 (ru) Полупроводниковый датчик давлени
KR19980054206U (ko) 펌프의 압력센서
JPS6017718Y2 (ja) 面圧測定センサ
CH687647A5 (de) Aufnehmer zur Dehnungsmessung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee