CA1267203A - Ice bin level sensor - Google Patents

Ice bin level sensor

Info

Publication number
CA1267203A
CA1267203A CA000532329A CA532329A CA1267203A CA 1267203 A CA1267203 A CA 1267203A CA 000532329 A CA000532329 A CA 000532329A CA 532329 A CA532329 A CA 532329A CA 1267203 A CA1267203 A CA 1267203A
Authority
CA
Canada
Prior art keywords
ice
signal
operational amplifier
electrical circuit
circuit according
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.)
Expired - Fee Related
Application number
CA000532329A
Other languages
English (en)
French (fr)
Inventor
Leroy Lind
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.)
King Seeley Thermos Co
Original Assignee
King Seeley Thermos Co
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 King Seeley Thermos Co filed Critical King Seeley Thermos Co
Application granted granted Critical
Publication of CA1267203A publication Critical patent/CA1267203A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/18—Storing ice
    • F25C5/182—Ice bins therefor
    • F25C5/187—Ice bins therefor with ice level sensing means
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA000532329A 1986-04-03 1987-03-18 Ice bin level sensor Expired - Fee Related CA1267203A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84791786A 1986-04-03 1986-04-03
US847,917 1986-04-03

Publications (1)

Publication Number Publication Date
CA1267203A true CA1267203A (en) 1990-03-27

Family

ID=25301817

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000532329A Expired - Fee Related CA1267203A (en) 1986-04-03 1987-03-18 Ice bin level sensor

Country Status (13)

Country Link
JP (1) JPS62237264A (enrdf_load_stackoverflow)
AU (1) AU601413B2 (enrdf_load_stackoverflow)
BE (1) BE1003058A3 (enrdf_load_stackoverflow)
BR (1) BR8701523A (enrdf_load_stackoverflow)
CA (1) CA1267203A (enrdf_load_stackoverflow)
CH (1) CH674074A5 (enrdf_load_stackoverflow)
DE (1) DE3711241A1 (enrdf_load_stackoverflow)
FR (1) FR2596857B1 (enrdf_load_stackoverflow)
GB (1) GB2188724B (enrdf_load_stackoverflow)
IT (1) IT1202718B (enrdf_load_stackoverflow)
MX (1) MX168749B (enrdf_load_stackoverflow)
SE (1) SE460925B (enrdf_load_stackoverflow)
ZA (1) ZA871865B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1230039B (it) * 1988-07-21 1991-09-24 Frimont Spa Apparecchiatura automatica per la produzione di ghiaccio in cubetti.
IT1244433B (it) * 1990-09-12 1994-07-15 Castel Mac Spa Dispositivo elettronico di controllo del livello del ghiaccio in un contenitore di raccolta per macchina per la produzione di ghiaccio in scaglie
AU663738B2 (en) * 1991-10-22 1995-10-19 Thermotech International Pty Ltd Cooling system for drinking water
DE9114777U1 (de) * 1991-11-27 1993-03-25 Klüe, Ulrich, Dipl.-Ing., 2054 Geesthacht Behälter für ein Eis-Wasser-Gemisch
US5671606A (en) * 1995-09-18 1997-09-30 Lancer Corporation Method and apparatus for sensing and controlling the level of ice in an ice dispenser
AU2007293834B2 (en) 2006-09-04 2010-05-20 Lg Electronics Inc. Control apparatus for taking out ice of refrigerator and method thereof
EP2275758B1 (en) * 2006-09-20 2013-07-10 LG Electronics, Inc. Refrigerator

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763789A (en) * 1953-03-03 1956-09-18 Ohmart Corp Control device
US3045445A (en) * 1960-12-19 1962-07-24 Carrier Corp Ice making
US3322959A (en) * 1963-05-09 1967-05-30 Ranco Inc Photoelectric level control system with lamp operated at alternate brightnesses
US3525232A (en) * 1968-08-30 1970-08-25 Gen Electric Automatic ice maker control means
US3760397A (en) * 1970-11-17 1973-09-18 J Taggart Alarm system
US3731496A (en) * 1972-01-31 1973-05-08 Gen Electric Photoelectric ice level sensor
CH568627A5 (enrdf_load_stackoverflow) * 1974-07-15 1975-10-31 Cerberus Ag
US4205237A (en) * 1977-12-16 1980-05-27 Nartron Corporation Liquid level sensor, pump system means and circuit means
GB2039847B (en) * 1978-10-25 1982-09-15 Vgl Ind Ltd Dispensing device
IT1125671B (it) * 1978-11-24 1986-05-14 Loomhurst Ltd Valvola di drenaggio di condensa
US4238930A (en) * 1978-12-26 1980-12-16 Whirlpool Corporation Ice maker apparatus
DE3032934A1 (de) * 1980-09-02 1982-04-08 Claus-Hartwig Dipl.-Ing. 2211 Heiligenstedten Dahse Verfahren zur regelung des fuellstandes eines einfuellschachtes einer schneckenpresse und regeleinrichtung zur durchfuehrung des verfahrens
IL64003A0 (en) * 1981-10-06 1982-01-31 Elmar Medical Systems Ltd Sensor system for use in fluid monitoring and control
JPS59229626A (ja) * 1983-06-10 1984-12-24 Matsushita Electric Works Ltd フロ−トレス液面リレ−
ES8703647A1 (es) * 1984-07-10 1987-02-16 Coca Cola Co Un aparato para llenar automaticamente un recipiente con una bebida.
FR2763789B1 (fr) * 1997-05-27 1999-12-03 Jean Hauville Dispositif destine a realiser un mur de decoration horticole

Also Published As

Publication number Publication date
BE1003058A3 (fr) 1991-11-12
GB8705896D0 (en) 1987-04-15
GB2188724A (en) 1987-10-07
MX168749B (es) 1993-06-07
FR2596857A1 (fr) 1987-10-09
SE8702772L (sv) 1989-01-07
IT1202718B (it) 1989-02-09
DE3711241C2 (enrdf_load_stackoverflow) 1991-03-21
AU601413B2 (en) 1990-09-13
IT8719902A0 (it) 1987-03-30
JPS62237264A (ja) 1987-10-17
JPH0144983B2 (enrdf_load_stackoverflow) 1989-10-02
GB2188724B (en) 1989-11-15
FR2596857B1 (fr) 1992-04-30
ZA871865B (en) 1987-09-03
SE460925B (sv) 1989-12-04
SE8702772D0 (sv) 1987-07-06
AU7091887A (en) 1987-10-08
BR8701523A (pt) 1988-01-19
CH674074A5 (enrdf_load_stackoverflow) 1990-04-30
DE3711241A1 (de) 1987-10-15

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Legal Events

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