DE3785785T2 - Druckwandler. - Google Patents

Druckwandler.

Info

Publication number
DE3785785T2
DE3785785T2 DE8787104481T DE3785785T DE3785785T2 DE 3785785 T2 DE3785785 T2 DE 3785785T2 DE 8787104481 T DE8787104481 T DE 8787104481T DE 3785785 T DE3785785 T DE 3785785T DE 3785785 T2 DE3785785 T2 DE 3785785T2
Authority
DE
Germany
Prior art keywords
pressure converter
converter
pressure
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
DE8787104481T
Other languages
English (en)
Other versions
DE3785785D1 (de
Inventor
William Wareham
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.)
Dynisco Instruments LLC
Original Assignee
Dynisco 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
Priority claimed from US06/848,300 external-priority patent/US4702113A/en
Application filed by Dynisco Inc filed Critical Dynisco Inc
Publication of DE3785785D1 publication Critical patent/DE3785785D1/de
Application granted granted Critical
Publication of DE3785785T2 publication Critical patent/DE3785785T2/de
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
    • 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
    • G01L19/0007—Fluidic connecting means
    • G01L19/0046—Fluidic connecting means using isolation membranes
    • 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
    • G01L19/0007—Fluidic connecting 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
    • G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
    • 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
    • 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
    • G01L9/02—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/04—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
DE8787104481T 1986-04-04 1987-03-26 Druckwandler. Expired - Lifetime DE3785785T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/848,300 US4702113A (en) 1986-04-04 1986-04-04 Pressure transducer
US06/918,087 US4712430A (en) 1986-04-04 1986-10-14 Pressure transducer

Publications (2)

Publication Number Publication Date
DE3785785D1 DE3785785D1 (de) 1993-06-17
DE3785785T2 true DE3785785T2 (de) 1993-09-23

Family

ID=27126764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787104481T Expired - Lifetime DE3785785T2 (de) 1986-04-04 1987-03-26 Druckwandler.

Country Status (7)

Country Link
US (1) US4712430A (de)
EP (1) EP0239933B1 (de)
JP (1) JPH0650269B2 (de)
KR (1) KR950013299B1 (de)
CA (1) CA1289378C (de)
DE (1) DE3785785T2 (de)
FI (1) FI91444C (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819487A (en) * 1985-01-07 1989-04-11 Dynisco, Inc. High pressure transducer
US4829827A (en) * 1985-01-07 1989-05-16 Dynisco, Inc. Pressure transducer
US4858471A (en) * 1985-11-14 1989-08-22 Dynisco, Inc. Pressure transducer
DE3884052T2 (de) * 1987-05-27 1994-01-20 Dynisco Inc Druckwandler.
US5184515A (en) * 1989-06-22 1993-02-09 Ic Sensors, Inc. Single diaphragm transducer with multiple sensing elements
US5271278A (en) * 1992-02-14 1993-12-21 Salgues Michel J Champagne pressure gauge
USRE38052E1 (en) * 1992-05-01 2003-04-01 Sensor Dynamics, Limited Sensing apparatus for sensing pressure or temperature in oil wells, including transmitter relaying pressure or temperature information to a remote control point
GB9209434D0 (en) * 1992-05-01 1992-06-17 Sensor Dynamics Ltd Remotely deployable pressure sensor
GB9324334D0 (en) 1993-11-26 1994-01-12 Sensor Dynamics Ltd Apparatus for the remote measurement of physical parameters
JPH09232595A (ja) * 1996-02-26 1997-09-05 Denso Corp 圧力検出装置
US6532839B1 (en) * 1996-03-29 2003-03-18 Sensor Dynamics Ltd. Apparatus for the remote measurement of physical parameters
US6957588B1 (en) 1999-06-28 2005-10-25 Thomas P. Kicher & Co. Fluid measuring device and method
US6662662B1 (en) * 2000-05-04 2003-12-16 Rosemount, Inc. Pressure transmitter with improved isolator system
US20040129078A1 (en) * 2001-06-18 2004-07-08 Kicher Thomas P. Acceleration transducer and method
EP1411336A1 (de) * 2002-10-15 2004-04-21 Gefran Sensori S.r.l. Drucksensor mit Kapillarrohranordnung für Hochdruckmessungen
US6923068B2 (en) * 2003-06-19 2005-08-02 Dynisco, Inc. Pressure transducer
US7866964B2 (en) * 2005-05-20 2011-01-11 Emerson Climate Technologies, Inc. Sensor for hermetic machine
EP1912052B1 (de) * 2006-10-09 2011-01-12 Services Pétroliers Schlumberger Verfahren und Vorrichtung für Druckmessungen zur Untersuchung eines Bohrloches
US8262372B2 (en) 2007-05-10 2012-09-11 Emerson Climate Technologies, Inc. Compressor hermetic terminal
US8939734B2 (en) * 2007-08-28 2015-01-27 Emerson Climate Technologies, Inc. Molded plug for a compressor
EP2250476A4 (de) * 2008-02-27 2011-04-20 Measurement Spec Inc Niedrigdruck-wandler mit einem balken und einer membran
US8939735B2 (en) * 2009-03-27 2015-01-27 Emerson Climate Technologies, Inc. Compressor plug assembly
JP2013024574A (ja) * 2011-07-15 2013-02-04 Azbil Corp 導圧管の詰まり診断システムおよび診断方法
US9480177B2 (en) 2012-07-27 2016-10-25 Emerson Climate Technologies, Inc. Compressor protection module
JP5975970B2 (ja) 2013-11-20 2016-08-23 日立オートモティブシステムズ株式会社 圧力センサ
CN105372004A (zh) * 2014-08-25 2016-03-02 上海朝辉压力仪器有限公司 泥浆变送器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979680A (en) * 1959-11-19 1961-04-11 Jr William T Bean Pressure responsive devices
US3303451A (en) * 1964-12-16 1967-02-07 Blh Electronics Beam-type transducers
US3678753A (en) * 1970-07-28 1972-07-25 Microdot Inc Pressure transducer
DE2808469A1 (de) * 1978-02-28 1979-09-06 Erich Brosa Druckaufnehmer fuer heisse medien
US4369659A (en) * 1980-08-11 1983-01-25 Bofors America, Inc. Pressure transducer
US4570498A (en) * 1984-04-11 1986-02-18 Hitachi, Ltd. Differential pressure measuring transducer assembly
US4679438A (en) * 1985-01-07 1987-07-14 Dynisco, Inc. High pressure transducer

Also Published As

Publication number Publication date
KR950013299B1 (ko) 1995-11-02
JPS62267634A (ja) 1987-11-20
DE3785785D1 (de) 1993-06-17
FI871317A (fi) 1988-04-15
JPH0650269B2 (ja) 1994-06-29
FI91444C (fi) 1994-06-27
EP0239933B1 (de) 1993-05-12
CA1289378C (en) 1991-09-24
FI91444B (fi) 1994-03-15
EP0239933A2 (de) 1987-10-07
US4712430A (en) 1987-12-15
EP0239933A3 (en) 1989-07-19
FI871317A0 (fi) 1987-03-25
KR870010394A (ko) 1987-11-30

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: DYNISCO INSTRUMENTS LLC, NORWOOD, MASS., US