ES2037471T3 - Un transductor de muy alta presion, particularmente para detectar la presion de un fluido hidraulico. - Google Patents

Un transductor de muy alta presion, particularmente para detectar la presion de un fluido hidraulico.

Info

Publication number
ES2037471T3
ES2037471T3 ES198989830336T ES89830336T ES2037471T3 ES 2037471 T3 ES2037471 T3 ES 2037471T3 ES 198989830336 T ES198989830336 T ES 198989830336T ES 89830336 T ES89830336 T ES 89830336T ES 2037471 T3 ES2037471 T3 ES 2037471T3
Authority
ES
Spain
Prior art keywords
head
pressure
mushroom
sensors
wall
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 - Lifetime
Application number
ES198989830336T
Other languages
English (en)
Inventor
Gian Maria Timossi
Giuseppe Dell'orto
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 ES2037471T3 publication Critical patent/ES2037471T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)

Abstract

EL TRANSDUCTOR CONSTA DE UNA ESTRUCTURA DE SOPORTE (1,10,15) QUE LLEVA SENSORES PIEZORRESISTIVOS (8), PARTICULARMENTE DE LOS DE PELICULA GRUESA, QUE ESTAN DESTINADOS A SER DEFORMADOS ELASTICAMETE POR LA PRESION DEL FLUIDO A MEDIR Y PARA PROPORCIONAR UNA SEÑAL ELECTRICA INDICATIVA DEL VALOR DE LA PRESION. LA ESTRUCTURA DE SOPORTE CONSTA DE UN CUERPO METALICO EN FORMA DE SETA (1) CON UNA CABEZA (2) Y UN VASTAGO (3). UN ORIFICIO CIEGO AXIAL (4) ESTA FORMADO EN EL VASTAGO (3) Y ESTA DESTINADO A CONTENER LOS FLUIDOS CUYA PRESION SE VA A MEDIR. EL ORIFICIO (4) SE EXTIENDE ASIMISMO DENTRO DE LA CABEZA (2) Y, CON LA SUPERFICIE EXTREMA DE LA CABEZA, DEFINE UNA PARED (6) QUE ES DEFORMABLE ELASTICAMENTE POR LA PRESION A MEDIR. LOS SENSORES PIEZORRESISTIVOS (8) ESTAN CONECTADOS A LA SUPERFICIE EXTREMA (2A) DE LA CABEZA (2) DEL CUERPO EN FORMA DE SETA (1) EN CORRESPONDENCIA CON O ADYACENTE A LA PARED DEFORMABLE (6) DE FORMA QUE, A SU VEZ, PUEDAN SER DEFORMADOS COMO RESULTADO DE LA DEFORMACION DE LA PARED. LOS SENSORE (8) SON DEPOSITADOS EN UNA PLACA DELGADA (7) FIJADA A LA SUPERFICIE SUPERIOR DE LA CABEZA (2) DEL CUERPO ENFORMA DE SETA (1). LA PLACA LLEVA ASIMISMO LOS COMPONENTES (9) DE LOS CIRCUITOS PARA AMPLIFICAR Y PROCESAR LAS SEÑALES GENERADOS POR LOS SENSORES (B). UNA ESTRUCTURA METALICA (10,17) ESTA TAMBIEN CONECTADA AL CUERPO EN FORMA DE SETA (1) PARA PROTEGERLO DE INTERFERENCIAS DE RADIOFRECUENCIA
ES198989830336T 1988-07-21 1989-07-18 Un transductor de muy alta presion, particularmente para detectar la presion de un fluido hidraulico. Expired - Lifetime ES2037471T3 (es)

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 (1)

Publication Number Publication Date
ES2037471T3 true ES2037471T3 (es) 1993-06-16

Family

ID=11304518

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989830336T Expired - Lifetime ES2037471T3 (es) 1988-07-21 1989-07-18 Un transductor de muy alta presion, particularmente para detectar la presion de un fluido hidraulico.

Country Status (7)

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

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
EP1265061B8 (en) * 2001-06-08 2006-05-03 Honeywell International, Inc. A 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
EP2312290B1 (de) * 2009-10-16 2019-09-25 First Sensor Mobility GmbH Drucksensor und dessen Verwendung in einem Fluidtank

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
JPH0254138A (ja) 1990-02-23
IT1223710B (it) 1990-09-29
US4965777A (en) 1990-10-23
DE68904135T2 (de) 1993-05-27
ATE84146T1 (de) 1993-01-15
EP0352240B1 (en) 1992-12-30
EP0352240A1 (en) 1990-01-24
DE68904135D1 (de) 1993-02-11
IT8867689A0 (it) 1988-07-21

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