FI880046A0 - Tryckdifferensmaetare. - Google Patents

Tryckdifferensmaetare.

Info

Publication number
FI880046A0
FI880046A0 FI880046A FI880046A FI880046A0 FI 880046 A0 FI880046 A0 FI 880046A0 FI 880046 A FI880046 A FI 880046A FI 880046 A FI880046 A FI 880046A FI 880046 A0 FI880046 A0 FI 880046A0
Authority
FI
Finland
Prior art keywords
tryckdifferensmaetare
Prior art date
Application number
FI880046A
Other languages
English (en)
Other versions
FI78783B (fi
FI78783C (fi
Inventor
Kari Saarikoski
Markku Salo
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI880046A priority Critical patent/FI78783C/fi
Publication of FI880046A0 publication Critical patent/FI880046A0/fi
Priority to PCT/FI1989/000005 priority patent/WO1989006350A1/en
Publication of FI78783B publication Critical patent/FI78783B/fi
Application granted granted Critical
Publication of FI78783C publication Critical patent/FI78783C/fi

Links

Classifications

    • 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
    • G01L11/004—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 the use of counterbalancing forces
    • G01L11/006—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 the use of counterbalancing forces hydraulic or pneumatic counterbalancing forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/04—Devices or apparatus for measuring differences of two or more fluid pressure values using floats or liquids as sensing elements
FI880046A 1988-01-06 1988-01-06 Tryckskillnadsmaetare. FI78783C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI880046A FI78783C (fi) 1988-01-06 1988-01-06 Tryckskillnadsmaetare.
PCT/FI1989/000005 WO1989006350A1 (en) 1988-01-06 1989-01-06 Differential pressure meter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI880046A FI78783C (fi) 1988-01-06 1988-01-06 Tryckskillnadsmaetare.
FI880046 1988-01-06

Publications (3)

Publication Number Publication Date
FI880046A0 true FI880046A0 (fi) 1988-01-06
FI78783B FI78783B (fi) 1989-05-31
FI78783C FI78783C (fi) 1989-09-11

Family

ID=8525678

Family Applications (1)

Application Number Title Priority Date Filing Date
FI880046A FI78783C (fi) 1988-01-06 1988-01-06 Tryckskillnadsmaetare.

Country Status (2)

Country Link
FI (1) FI78783C (fi)
WO (1) WO1989006350A1 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100409269B1 (ko) * 2001-11-30 2003-12-12 현대건설주식회사 차압 정밀측정용 마노미터 장치
FR2927995B1 (fr) * 2008-02-21 2010-12-24 Degremont Dispositif de mesure de pression d'eau dans un lit filtrant, et procede de filtration utilisant ce dispositif.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US949598A (en) * 1906-12-08 1910-02-15 Bertrand John Price Roberts Differential-pressure gage.
US1499759A (en) * 1921-03-14 1924-07-01 Bacharach Ind Instr Company Gauge
DE585548C (de) * 1931-07-29 1933-10-05 Linde Eismasch Ag Umgekehrtes U-Rohrmanometer
US2300327A (en) * 1939-06-12 1942-10-27 William M White Pressure measuring instrument
GB1346432A (en) * 1972-03-01 1974-02-13 Glasspool M H 4-tube pressure gauges

Also Published As

Publication number Publication date
FI78783B (fi) 1989-05-31
FI78783C (fi) 1989-09-11
WO1989006350A1 (en) 1989-07-13

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS