JPS56164924A - Liquid helium level gage - Google Patents

Liquid helium level gage

Info

Publication number
JPS56164924A
JPS56164924A JP6924180A JP6924180A JPS56164924A JP S56164924 A JPS56164924 A JP S56164924A JP 6924180 A JP6924180 A JP 6924180A JP 6924180 A JP6924180 A JP 6924180A JP S56164924 A JPS56164924 A JP S56164924A
Authority
JP
Japan
Prior art keywords
liquid helium
level
liquid
level gage
wire
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.)
Granted
Application number
JP6924180A
Other languages
Japanese (ja)
Other versions
JPS6351253B2 (en
Inventor
Tadatoshi Yamada
Masao Morita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6924180A priority Critical patent/JPS56164924A/en
Publication of JPS56164924A publication Critical patent/JPS56164924A/en
Publication of JPS6351253B2 publication Critical patent/JPS6351253B2/ja
Granted legal-status Critical Current

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
    • G01F23/22—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
    • G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

PURPOSE:To perform measurement always in high accuracy by covering the superconductive wire to be put into the liquid helium tank of a liquid helium level gage with a heat insulating film. CONSTITUTION:A superconductive wire 1 covered with a heat insulating film by enamel coating or winding of this tapes of polyester, etc. is provided in the liquid helium tank 2 of a liquid helium level gage. Constant current is flowed from a DC constant current source 4 thereto, and the voltage V is detected. The liquid level of liquid helium 3 is measured with good accuracy by using the relation shown by the equation. Covering the wire 1 makes it possible to prevent the liqud level from being measured higher than the actual level on account of the superconductive state assumed by the conductor 1 near the liquid level by the evaporated He when the rate of evaporation of He is high.
JP6924180A 1980-05-23 1980-05-23 Liquid helium level gage Granted JPS56164924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6924180A JPS56164924A (en) 1980-05-23 1980-05-23 Liquid helium level gage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6924180A JPS56164924A (en) 1980-05-23 1980-05-23 Liquid helium level gage

Publications (2)

Publication Number Publication Date
JPS56164924A true JPS56164924A (en) 1981-12-18
JPS6351253B2 JPS6351253B2 (en) 1988-10-13

Family

ID=13397053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6924180A Granted JPS56164924A (en) 1980-05-23 1980-05-23 Liquid helium level gage

Country Status (1)

Country Link
JP (1) JPS56164924A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655079A (en) * 1983-11-22 1987-04-07 Aisin Seiki Kabushiki Kaisha Level gauge for liquid helium
US4745806A (en) * 1985-01-29 1988-05-24 Aisin Seiki Kabushiki Kaisha Level gauge for liquid helium
US5114907A (en) * 1991-03-15 1992-05-19 Illinois Superconductor Corporation Cryogenic fluid level sensor
US5593949A (en) * 1993-07-06 1997-01-14 Lockheed Martin Corporation High temperature conductor probes for determining liquid level of cryogens
US10486850B1 (en) 2018-05-11 2019-11-26 The Procter & Gamble Company Hinged click to close container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0353164A (en) * 1989-07-20 1991-03-07 Canon Inc Sample supply device and sample measuring instrument using the same
CN110095523B (en) * 2018-01-29 2021-05-14 宝山钢铁股份有限公司 Method for predicting scale explosion occurrence probability of enamel product

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334743A (en) * 1976-09-09 1978-03-31 Kyowa Hakko Kogyo Co Ltd Preparation of 2-(4-alkylphenyl)propionic acids

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334743A (en) * 1976-09-09 1978-03-31 Kyowa Hakko Kogyo Co Ltd Preparation of 2-(4-alkylphenyl)propionic acids

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655079A (en) * 1983-11-22 1987-04-07 Aisin Seiki Kabushiki Kaisha Level gauge for liquid helium
US4745806A (en) * 1985-01-29 1988-05-24 Aisin Seiki Kabushiki Kaisha Level gauge for liquid helium
US5114907A (en) * 1991-03-15 1992-05-19 Illinois Superconductor Corporation Cryogenic fluid level sensor
US5593949A (en) * 1993-07-06 1997-01-14 Lockheed Martin Corporation High temperature conductor probes for determining liquid level of cryogens
US10486850B1 (en) 2018-05-11 2019-11-26 The Procter & Gamble Company Hinged click to close container

Also Published As

Publication number Publication date
JPS6351253B2 (en) 1988-10-13

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