FI761675A - - Google Patents

Info

Publication number
FI761675A
FI761675A FI761675A FI761675A FI761675A FI 761675 A FI761675 A FI 761675A FI 761675 A FI761675 A FI 761675A FI 761675 A FI761675 A FI 761675A FI 761675 A FI761675 A FI 761675A
Authority
FI
Finland
Application number
FI761675A
Other languages
Finnish (fi)
Inventor
Gunnar Graeffe
Kauko Janka
Matti Lehtimaeki
Eero Maekinen
Hannu Salmi
Original Assignee
Wallac Oy
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 Wallac Oy filed Critical Wallac Oy
Priority to FI761675A priority Critical patent/FI761675A/fi
Priority to SE7706105A priority patent/SE7706105L/en
Priority to DE19772725960 priority patent/DE2725960A1/en
Publication of FI761675A publication Critical patent/FI761675A/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/64—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by measuring electrical currents passing through the fluid flow; measuring electrical potential generated by the fluid flow, e.g. by electrochemical, contact or friction effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/005—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using a jet directed into the fluid
    • G01P5/006—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using a jet directed into the fluid the jet used is composed of ionised or radioactive particles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measurement Of Radiation (AREA)
FI761675A 1976-06-11 1976-06-11 FI761675A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI761675A FI761675A (en) 1976-06-11 1976-06-11
SE7706105A SE7706105L (en) 1976-06-11 1977-05-25 PROCEDURE FOR SEATING THE FLOOD SPEED IN GASES
DE19772725960 DE2725960A1 (en) 1976-06-11 1977-06-08 Gas flow velocity meter using ionisation current - measures differential current between plates of triode detector tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI761675A FI761675A (en) 1976-06-11 1976-06-11

Publications (1)

Publication Number Publication Date
FI761675A true FI761675A (en) 1977-12-12

Family

ID=8510065

Family Applications (1)

Application Number Title Priority Date Filing Date
FI761675A FI761675A (en) 1976-06-11 1976-06-11

Country Status (3)

Country Link
DE (1) DE2725960A1 (en)
FI (1) FI761675A (en)
SE (1) SE7706105L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI63298C (en) * 1977-08-01 1983-05-10 Alnor Oy PAO JONISERING BASERANDE ANORDNING FOER MAETNING AV GASERS STROEMNINGSHASTIGHET
US4471654A (en) * 1981-09-25 1984-09-18 Tsi Incorporated Fluid flow measuring apparatus
EP0095000B1 (en) * 1982-05-25 1987-09-02 TSI Incorporated Fluid flow measuring apparatus
DE102009051700A1 (en) * 2009-11-03 2011-05-05 Claudius Zelenka Method for measuring speed of moving medium e.g. water, involves generating electrostatic alternating field transverse to moving direction of medium, and measuring electric currents at electrodes in current direction in multiple frequencies
FR2958396A1 (en) * 2010-04-06 2011-10-07 Centre Nat Rech Scient Sensor for measuring e.g. acoustic pressure, of acoustic signal produced by loudspeaker operated in air medium, has calculation unit determining acoustic pressure, standards of acoustic speed and acoustic intensity

Also Published As

Publication number Publication date
DE2725960A1 (en) 1977-12-15
SE7706105L (en) 1977-12-12

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: WALLAC OY