FI20011798A0 - Pintakytkin - Google Patents

Pintakytkin

Info

Publication number
FI20011798A0
FI20011798A0 FI20011798A FI20011798A FI20011798A0 FI 20011798 A0 FI20011798 A0 FI 20011798A0 FI 20011798 A FI20011798 A FI 20011798A FI 20011798 A FI20011798 A FI 20011798A FI 20011798 A0 FI20011798 A0 FI 20011798A0
Authority
FI
Finland
Prior art keywords
level switch
switch
level
Prior art date
Application number
FI20011798A
Other languages
English (en)
Swedish (sv)
Other versions
FI116421B (fi
FI20011798A (fi
Inventor
Matti Kari
Original Assignee
Matti Kari
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 Matti Kari filed Critical Matti Kari
Priority to FI20011798A priority Critical patent/FI116421B/fi
Publication of FI20011798A0 publication Critical patent/FI20011798A0/fi
Priority to PCT/FI2002/000731 priority patent/WO2003023333A1/en
Priority to EP02758500A priority patent/EP1436573A1/en
Publication of FI20011798A publication Critical patent/FI20011798A/fi
Application granted granted Critical
Publication of FI116421B publication Critical patent/FI116421B/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0038—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm using buoyant probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/76—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats characterised by the construction of the float

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Level Indicators Using A Float (AREA)
FI20011798A 2001-09-12 2001-09-12 Pintakytkin FI116421B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20011798A FI116421B (fi) 2001-09-12 2001-09-12 Pintakytkin
PCT/FI2002/000731 WO2003023333A1 (en) 2001-09-12 2002-09-12 Surface switch for determining the surface level
EP02758500A EP1436573A1 (en) 2001-09-12 2002-09-12 Surface switch for determining the surface level

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20011798 2001-09-12
FI20011798A FI116421B (fi) 2001-09-12 2001-09-12 Pintakytkin

Publications (3)

Publication Number Publication Date
FI20011798A0 true FI20011798A0 (fi) 2001-09-12
FI20011798A FI20011798A (fi) 2003-03-13
FI116421B FI116421B (fi) 2005-11-15

Family

ID=8561879

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20011798A FI116421B (fi) 2001-09-12 2001-09-12 Pintakytkin

Country Status (3)

Country Link
EP (1) EP1436573A1 (fi)
FI (1) FI116421B (fi)
WO (1) WO2003023333A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111473838B (zh) * 2020-05-13 2021-12-28 北京市万智生科技有限公司 一种用于封闭或半封闭水池蓄水位测量的漂浮式水位仪

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH647320A5 (en) * 1982-04-02 1985-01-15 Cortaillod Cables Sa Optical assembly for liq. level signalling in reservoir - uses optical fibre to direct light onto ball in sensor mounted on float arm
CA1332205C (en) * 1988-03-15 1994-10-04 James W. Snow Fibre optic sensors for the continuous measurement of liquid level and other parameters
CH680020A5 (fi) * 1990-04-02 1992-05-29 Hectronic Ag
US5743135A (en) * 1993-08-27 1998-04-28 Vlsi Technology, Inc. Optical-fiber liquid-level monitor
FI112703B (fi) * 2000-04-11 2003-12-31 Matti Kari Pintakytkin

Also Published As

Publication number Publication date
FI116421B (fi) 2005-11-15
EP1436573A1 (en) 2004-07-14
WO2003023333A1 (en) 2003-03-20
FI20011798A (fi) 2003-03-13

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