SE350121B - - Google Patents

Info

Publication number
SE350121B
SE350121B SE02360/68A SE236068A SE350121B SE 350121 B SE350121 B SE 350121B SE 02360/68 A SE02360/68 A SE 02360/68A SE 236068 A SE236068 A SE 236068A SE 350121 B SE350121 B SE 350121B
Authority
SE
Sweden
Application number
SE02360/68A
Inventor
F Ryder
Original Assignee
Illinois Tool Works
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 Illinois Tool Works filed Critical Illinois Tool Works
Publication of SE350121B publication Critical patent/SE350121B/xx

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
    • G01F23/28—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
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2924—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms for several discrete levels, e.g. with more than one light-conducting sensing element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
SE02360/68A 1967-04-26 1968-02-23 SE350121B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US633828A US3417615A (en) 1967-04-26 1967-04-26 Liquid level indicator

Publications (1)

Publication Number Publication Date
SE350121B true SE350121B (de) 1972-10-16

Family

ID=24541283

Family Applications (1)

Application Number Title Priority Date Filing Date
SE02360/68A SE350121B (de) 1967-04-26 1968-02-23

Country Status (5)

Country Link
US (1) US3417615A (de)
DE (1) DE6609700U (de)
FR (1) FR1557201A (de)
GB (1) GB1172202A (de)
SE (1) SE350121B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543581A (en) * 1969-02-06 1970-12-01 Illinois Tool Works Liquid level indicator
US3758197A (en) * 1971-11-15 1973-09-11 Bucode Light collecting and transmitting apparatus
US3860814A (en) * 1971-11-15 1975-01-14 Daniel M Klang Light collecting and transmitting apparatus
US4657870A (en) * 1984-04-23 1987-04-14 Ryder International Corporation Incubator optical system for viewing sterilization indicator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA490441A (en) * 1953-02-10 E. Van Ham Ernest Direct inspection device for use with liquid container
US1724716A (en) * 1926-09-14 1929-08-13 Constant J Kryzanowsky Liquid-level gauge
US1883971A (en) * 1929-08-10 1932-10-25 Constant J Kryzanowsky Signaling device
GB412803A (en) * 1933-11-17 1934-07-05 Joe Emil George Eurich Liquid-level indicator
US2615337A (en) * 1948-05-06 1952-10-28 Nat Battery Co Battery liquid level indicator
GB672539A (en) * 1950-02-07 1952-05-21 Oldham & Son Ltd Improvements in or relating to liquid level indicators more particularly for electrical storage cells or batteries
US2767754A (en) * 1952-02-13 1956-10-23 Frederick E Lederer Plastic container
US3273267A (en) * 1965-10-22 1966-09-20 Mc Graw Edison Co Water level indicator for electric iron

Also Published As

Publication number Publication date
GB1172202A (en) 1969-11-26
FR1557201A (de) 1969-02-14
US3417615A (en) 1968-12-24
DE6609700U (de) 1972-08-24

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