DE3884052D1 - Druckwandler. - Google Patents

Druckwandler.

Info

Publication number
DE3884052D1
DE3884052D1 DE88107866T DE3884052T DE3884052D1 DE 3884052 D1 DE3884052 D1 DE 3884052D1 DE 88107866 T DE88107866 T DE 88107866T DE 3884052 T DE3884052 T DE 3884052T DE 3884052 D1 DE3884052 D1 DE 3884052D1
Authority
DE
Germany
Prior art keywords
pressure transducer
transducer
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
DE88107866T
Other languages
English (en)
Other versions
DE3884052T2 (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 US07/054,936 external-priority patent/US4829827A/en
Priority claimed from US07/185,856 external-priority patent/US4858471A/en
Application filed by Dynisco Inc filed Critical Dynisco Inc
Publication of DE3884052D1 publication Critical patent/DE3884052D1/de
Application granted granted Critical
Publication of DE3884052T2 publication Critical patent/DE3884052T2/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
    • 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
    • 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
    • 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
    • G01L9/0002—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using variations in ohmic resistance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE88107866T 1987-05-27 1988-05-17 Druckwandler. Expired - Lifetime DE3884052T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/054,936 US4829827A (en) 1985-01-07 1987-05-27 Pressure transducer
US07/185,856 US4858471A (en) 1985-11-14 1988-04-25 Pressure transducer

Publications (2)

Publication Number Publication Date
DE3884052D1 true DE3884052D1 (de) 1993-10-21
DE3884052T2 DE3884052T2 (de) 1994-01-20

Family

ID=26733663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88107866T Expired - Lifetime DE3884052T2 (de) 1987-05-27 1988-05-17 Druckwandler.

Country Status (8)

Country Link
EP (1) EP0292839B1 (de)
JP (1) JPH01124733A (de)
KR (1) KR970000033B1 (de)
CA (1) CA1321483C (de)
DE (1) DE3884052T2 (de)
DK (1) DK283188A (de)
FI (1) FI91445C (de)
NO (1) NO174176C (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678753A (en) * 1970-07-28 1972-07-25 Microdot Inc Pressure transducer
US4369659A (en) * 1980-08-11 1983-01-25 Bofors America, Inc. Pressure transducer
US4679438A (en) * 1985-01-07 1987-07-14 Dynisco, Inc. High pressure transducer
US4712430A (en) * 1986-04-04 1987-12-15 Dynisco, Inc. Pressure transducer

Also Published As

Publication number Publication date
EP0292839A3 (en) 1990-06-27
NO174176B (no) 1993-12-13
FI882459A (fi) 1988-11-28
NO882287L (no) 1989-03-13
NO882287D0 (no) 1988-05-25
EP0292839B1 (de) 1993-09-15
NO174176C (no) 1994-03-23
JPH01124733A (ja) 1989-05-17
KR970000033B1 (ko) 1997-01-04
FI91445C (fi) 1994-06-27
DE3884052T2 (de) 1994-01-20
EP0292839A2 (de) 1988-11-30
DK283188A (da) 1988-11-28
FI882459A0 (fi) 1988-05-25
FI91445B (fi) 1994-03-15
DK283188D0 (da) 1988-05-24
KR880014271A (ko) 1988-12-23
CA1321483C (en) 1993-08-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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