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IT1315774B1 - Gruppo sonda per il controllo del livello dell'acqua in caldaie aresistenza elettrica. - Google Patents

Gruppo sonda per il controllo del livello dell'acqua in caldaie aresistenza elettrica.

Info

Publication number
IT1315774B1
IT1315774B1 IT2000PD000287A ITPD20000287A IT1315774B1 IT 1315774 B1 IT1315774 B1 IT 1315774B1 IT 2000PD000287 A IT2000PD000287 A IT 2000PD000287A IT PD20000287 A ITPD20000287 A IT PD20000287A IT 1315774 B1 IT1315774 B1 IT 1315774B1
Authority
IT
Italy
Prior art keywords
boilers
water level
electric resistance
level control
probe group
Prior art date
Application number
IT2000PD000287A
Other languages
English (en)
Inventor
Luigi Amoretti
Original Assignee
T P A Impex Spa
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 T P A Impex Spa filed Critical T P A Impex Spa
Priority to IT2000PD000287A priority Critical patent/IT1315774B1/it
Priority to EP01129290A priority patent/EP1217341B1/en
Priority to US10/014,871 priority patent/US6705162B2/en
Publication of ITPD20000287A1 publication Critical patent/ITPD20000287A1/it
Application granted granted Critical
Publication of IT1315774B1 publication Critical patent/IT1315774B1/it

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
    • G01F23/241—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 for discrete levels
    • G01F23/242—Mounting arrangements for electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Cookers (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
IT2000PD000287A 2000-12-21 2000-12-21 Gruppo sonda per il controllo del livello dell'acqua in caldaie aresistenza elettrica. IT1315774B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2000PD000287A IT1315774B1 (it) 2000-12-21 2000-12-21 Gruppo sonda per il controllo del livello dell'acqua in caldaie aresistenza elettrica.
EP01129290A EP1217341B1 (en) 2000-12-21 2001-12-13 Probe assembly for monitoring the water level in electric resistor boilers
US10/014,871 US6705162B2 (en) 2000-12-21 2001-12-14 Probe assembly for monitoring the water level in electric resistor boilers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000PD000287A IT1315774B1 (it) 2000-12-21 2000-12-21 Gruppo sonda per il controllo del livello dell'acqua in caldaie aresistenza elettrica.

Publications (2)

Publication Number Publication Date
ITPD20000287A1 ITPD20000287A1 (it) 2002-06-21
IT1315774B1 true IT1315774B1 (it) 2003-03-18

Family

ID=11452135

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000PD000287A IT1315774B1 (it) 2000-12-21 2000-12-21 Gruppo sonda per il controllo del livello dell'acqua in caldaie aresistenza elettrica.

Country Status (3)

Country Link
US (1) US6705162B2 (it)
EP (1) EP1217341B1 (it)
IT (1) IT1315774B1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20020415A1 (it) * 2002-08-02 2004-02-03 Axana 2000 S R L Sonda per rilevare il livello di un liquido, in particolare
DE102005000814A1 (de) * 2004-01-06 2005-07-28 NGK Spark Plug Co., Ltd., Nagoya Flüssigkeitszustands-Messelement und Flüssigkeitszustands-Messsensor
EP1975308A1 (en) * 2007-03-30 2008-10-01 Koninklijke Philips Electronics N.V. Method for determining the liquid level in a boiler
EP2558225B1 (de) 2010-04-15 2014-10-22 Alfred Kärcher GmbH & Co. KG Dampfreinigungsgerät
DE102012100070A1 (de) * 2012-01-05 2013-07-11 Alfred Kärcher Gmbh & Co. Kg Dampfreinigungsgerät
ITMO20120117A1 (it) * 2012-05-03 2013-11-04 T P A Impex Spa Gruppo-sonda di rilevamento
JP2014066433A (ja) * 2012-09-26 2014-04-17 Noritz Corp 中和装置、並びに、燃焼装置
ITUB20160245A1 (it) * 2016-02-05 2017-08-05 Fpt Ind Spa Sensore di misura, in particolare di un livello di un liquido, e motore a combustione interna comprendente detto sensore
ITUA20161559A1 (it) * 2016-03-11 2017-09-11 I C I Caldaie S P A Dispositivo perfezionato per il controllo del livello di liquidi.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679642A (en) * 1951-06-23 1954-05-25 Westinghouse Electric Corp Liquid level indicator
US3831069A (en) * 1972-11-03 1974-08-20 Robertshaw Controls Co Miniature capacitance level detector
JPS5056275A (it) * 1973-09-14 1975-05-16
US4123131A (en) * 1977-08-05 1978-10-31 General Motors Corporation Vented electrical connector
US4299117A (en) * 1979-11-23 1981-11-10 The Bendix Corporation Multi-function engine sensor
US4497205A (en) * 1982-12-17 1985-02-05 Gulf & Western Manufacturing Company Method and apparatus for automatically sensing the level of a liquid in a reservoir
US4842419A (en) * 1988-06-06 1989-06-27 General Motors Corporation Combination temperature sensor and switch assembly
US5661251A (en) * 1995-12-19 1997-08-26 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US6207045B1 (en) * 1999-06-15 2001-03-27 Fleetguard, Inc. Water-in-fuel integrated control module

Also Published As

Publication number Publication date
EP1217341A3 (en) 2003-04-23
EP1217341A2 (en) 2002-06-26
US6705162B2 (en) 2004-03-16
US20020053240A1 (en) 2002-05-09
EP1217341B1 (en) 2012-05-30
ITPD20000287A1 (it) 2002-06-21

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