FI52500C - Detector for detecting the direction of flow of air or gases intended for use in mines or under such conditions - Google Patents

Detector for detecting the direction of flow of air or gases intended for use in mines or under such conditions

Info

Publication number
FI52500C
FI52500C FI160873A FI160873A FI52500C FI 52500 C FI52500 C FI 52500C FI 160873 A FI160873 A FI 160873A FI 160873 A FI160873 A FI 160873A FI 52500 C FI52500 C FI 52500C
Authority
FI
Finland
Prior art keywords
mines
detector
detecting
conditions
air
Prior art date
Application number
FI160873A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI52500B (en
FI160873A (en
Inventor
Vilho Sakari Vaeisaenen
Original Assignee
Outokumpu 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 Outokumpu Oy filed Critical Outokumpu Oy
Priority to FI160873A priority Critical patent/FI52500C/en
Priority to DE19742423302 priority patent/DE2423302A1/en
Publication of FI160873A publication Critical patent/FI160873A/fi
Publication of FI52500B publication Critical patent/FI52500B/fi
Application granted granted Critical
Publication of FI52500C publication Critical patent/FI52500C/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
FI160873A 1973-05-17 1973-05-17 Detector for detecting the direction of flow of air or gases intended for use in mines or under such conditions FI52500C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI160873A FI52500C (en) 1973-05-17 1973-05-17 Detector for detecting the direction of flow of air or gases intended for use in mines or under such conditions
DE19742423302 DE2423302A1 (en) 1973-05-17 1974-05-14 FLOW DIRECTION DETECTOR FOR AIR OR GAS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI160873A FI52500C (en) 1973-05-17 1973-05-17 Detector for detecting the direction of flow of air or gases intended for use in mines or under such conditions

Publications (3)

Publication Number Publication Date
FI160873A FI160873A (en) 1974-11-18
FI52500B FI52500B (en) 1977-05-31
FI52500C true FI52500C (en) 1977-09-12

Family

ID=8505895

Family Applications (1)

Application Number Title Priority Date Filing Date
FI160873A FI52500C (en) 1973-05-17 1973-05-17 Detector for detecting the direction of flow of air or gases intended for use in mines or under such conditions

Country Status (2)

Country Link
DE (1) DE2423302A1 (en)
FI (1) FI52500C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611614A1 (en) * 1986-04-07 1987-10-08 Vdo Schindling ARRANGEMENT WITH A THERMAL SENSOR
DE3637541A1 (en) * 1986-11-04 1988-05-05 Vdo Schindling DEVICE FOR DETERMINING THE MASS CURRENT AND THE FLOW DIRECTION
DE3637538A1 (en) * 1986-11-04 1988-05-05 Vdo Schindling DEVICE FOR DETERMINING THE FLOW DIRECTION
JPH0663799B2 (en) * 1987-10-05 1994-08-22 株式会社村田製作所 Thermal type flow detector
LU87347A1 (en) * 1988-09-27 1990-04-06 Euratom MESSONDE ZUR ERFASSUNG NIEDRIGER STROEMUNGSGESCHWINDIGKEITEN IN EINEM ROHRABSCHNITT
AT394264B (en) * 1990-01-22 1992-02-25 Mecanotronic Produktion Von El AIR PURIFICATION SYSTEM

Also Published As

Publication number Publication date
FI52500B (en) 1977-05-31
DE2423302A1 (en) 1974-12-05
FI160873A (en) 1974-11-18

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