DE8627669U1 - - Google Patents

Info

Publication number
DE8627669U1
DE8627669U1 DE19868627669 DE8627669U DE8627669U1 DE 8627669 U1 DE8627669 U1 DE 8627669U1 DE 19868627669 DE19868627669 DE 19868627669 DE 8627669 U DE8627669 U DE 8627669U DE 8627669 U1 DE8627669 U1 DE 8627669U1
Authority
DE
Germany
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.)
Expired
Application number
DE19868627669
Other languages
German (de)
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.)
Gambro Hospal Schweiz AG
Original Assignee
Hospal AG
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 Hospal AG filed Critical Hospal AG
Publication of DE8627669U1 publication Critical patent/DE8627669U1/de
Expired legal-status Critical Current

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
    • G01P13/008—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube
    • G01P13/0086—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube with photo-electric detection
    • 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
DE19868627669 1985-12-20 1986-10-16 Expired DE8627669U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5426985U IT206473Z2 (en) 1985-12-20 1985-12-20 SENSOR DEVICE FOR THE PRESENCE OF A LIQUID INSIDE A DUCT

Publications (1)

Publication Number Publication Date
DE8627669U1 true DE8627669U1 (en) 1986-12-04

Family

ID=11287105

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19868627669 Expired DE8627669U1 (en) 1985-12-20 1986-10-16

Country Status (3)

Country Link
DE (1) DE8627669U1 (en)
FR (1) FR2592164B1 (en)
IT (1) IT206473Z2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619445A1 (en) * 1987-08-10 1989-02-17 Automatisme Production Sa Level detection device for a level tube with a translucent wall
DE3910250A1 (en) * 1989-03-30 1990-10-11 Fresenius Ag Photoelectric monitoring arrangement for hose lines in medical technology
DE4028881A1 (en) * 1990-09-12 1992-03-19 Rheinhuette Gmbh & Co Protecting gas or liq. delivery system against dry running - using light transmitted via transparent walls to receiver only if without medium
EP0500475A1 (en) * 1991-02-22 1992-08-26 Hospal Industrie Sensor for flow of liquid in a receptacle
EP3839446A1 (en) * 2019-12-16 2021-06-23 Andreas Stihl AG & Co. KG Hand guided garden, forestry and / or construction device and optical operating liquid detector for optically detecting operating fluid for a hand-guided garden, forestry and / or construction device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119532B (en) * 1958-05-30 1961-12-14 Helmut Schulz Method and device for level measurement in glass tubes using a photo cell
DE2818264A1 (en) * 1977-04-29 1978-11-16 Temelec Ag Stans Monitor for continuous fluid flow through transparent tube - uses light detectors and differential amplifier flow disturbance detector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619445A1 (en) * 1987-08-10 1989-02-17 Automatisme Production Sa Level detection device for a level tube with a translucent wall
DE3910250A1 (en) * 1989-03-30 1990-10-11 Fresenius Ag Photoelectric monitoring arrangement for hose lines in medical technology
DE4028881A1 (en) * 1990-09-12 1992-03-19 Rheinhuette Gmbh & Co Protecting gas or liq. delivery system against dry running - using light transmitted via transparent walls to receiver only if without medium
EP0500475A1 (en) * 1991-02-22 1992-08-26 Hospal Industrie Sensor for flow of liquid in a receptacle
FR2673294A1 (en) * 1991-02-22 1992-08-28 Hospal Ind DETECTOR FOR FLOWING A LIQUID INTO A CONTAINER.
EP3839446A1 (en) * 2019-12-16 2021-06-23 Andreas Stihl AG & Co. KG Hand guided garden, forestry and / or construction device and optical operating liquid detector for optically detecting operating fluid for a hand-guided garden, forestry and / or construction device
US11940316B2 (en) 2019-12-16 2024-03-26 Andreas Stihl Ag & Co. Kg Optical operating fluid detector for the optical detection of operating fluid for a hand-guided garden, forestry and/or construction machining appliance, and hand-guided garden, forestry and/or construction machining appliance

Also Published As

Publication number Publication date
FR2592164B1 (en) 1992-10-30
FR2592164A1 (en) 1987-06-26
IT206473Z2 (en) 1987-08-10
IT8554269V0 (en) 1985-12-20

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