EP3947778A4 - System and method for predicting tank failure of a water heater - Google Patents

System and method for predicting tank failure of a water heater Download PDF

Info

Publication number
EP3947778A4
EP3947778A4 EP20798872.6A EP20798872A EP3947778A4 EP 3947778 A4 EP3947778 A4 EP 3947778A4 EP 20798872 A EP20798872 A EP 20798872A EP 3947778 A4 EP3947778 A4 EP 3947778A4
Authority
EP
European Patent Office
Prior art keywords
predicting
water heater
tank failure
failure
tank
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.)
Withdrawn
Application number
EP20798872.6A
Other languages
German (de)
French (fr)
Other versions
EP3947778A1 (en
Inventor
Ray Oliver Knoeppel
Nate WALKER
Yaojun Wang
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.)
AO Smith Corp
Original Assignee
AO Smith 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 AO Smith Corp filed Critical AO Smith Corp
Publication of EP3947778A1 publication Critical patent/EP3947778A1/en
Publication of EP3947778A4 publication Critical patent/EP3947778A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/203—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with electrodes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/40—Arrangements for preventing corrosion
    • F24H9/45—Arrangements for preventing corrosion for preventing galvanic corrosion, e.g. cathodic or electrolytic means
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/22—Monitoring arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021—Storage heaters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
EP20798872.6A 2019-05-01 2020-05-01 System and method for predicting tank failure of a water heater Withdrawn EP3947778A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962841539P 2019-05-01 2019-05-01
PCT/US2020/031065 WO2020223648A1 (en) 2019-05-01 2020-05-01 System and method for predicting tank failure of a water heater

Publications (2)

Publication Number Publication Date
EP3947778A1 EP3947778A1 (en) 2022-02-09
EP3947778A4 true EP3947778A4 (en) 2023-08-02

Family

ID=73016102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20798872.6A Withdrawn EP3947778A4 (en) 2019-05-01 2020-05-01 System and method for predicting tank failure of a water heater

Country Status (4)

Country Link
US (1) US20200348049A1 (en)
EP (1) EP3947778A4 (en)
CN (1) CN113728127A (en)
WO (1) WO2020223648A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11320364B2 (en) * 2020-05-14 2022-05-03 Karina Divyesh Shah Water heater sensor
US20220136114A1 (en) * 2020-10-30 2022-05-05 Matcor, Inc. Self-cleaning anode for cathodic protection systems, cathodic protection systems including the same, and methods of use

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140218005A1 (en) * 2013-02-06 2014-08-07 General Electric Company Anode depletion sensor hardware circuit
WO2014136097A1 (en) * 2013-03-08 2014-09-12 Emmeti Spa Method to control the functioning of a heating apparatus
US8890703B2 (en) * 2013-02-06 2014-11-18 General Electric Company Passive water heater anode rod depletion sensor algorithm
US20170193794A1 (en) * 2016-01-06 2017-07-06 General Electric Company Water Heaters and Methods for Monitoring Anode Rod Depletion
US20170293293A1 (en) * 2016-04-12 2017-10-12 Johnson Controls Technology Company Hvac system with equipment failure prediction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972066A (en) * 1989-09-06 1990-11-20 A.O. Smith Corporation Method and apparatus for reducing the current drain on the sacrificial anode in a water heater
ITFI20070062A1 (en) * 2007-03-15 2008-09-16 Caen Rfid Srl APPARATUS FOR MEASURING THE CONSUMPTION OF SACRIFIZIAL ANODES.
CA2619075A1 (en) * 2007-08-28 2009-02-28 Aos Holding Company Appliance having a safety string
EP3538820B1 (en) * 2016-11-08 2023-05-24 A.O. Smith Corporation System and method of controlling a water heater having a powered anode
EP3642389A4 (en) * 2017-06-20 2021-03-31 Delta Subsea LLC Apparatus, systems, and methods to assess corrosion prevention

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140218005A1 (en) * 2013-02-06 2014-08-07 General Electric Company Anode depletion sensor hardware circuit
US8890703B2 (en) * 2013-02-06 2014-11-18 General Electric Company Passive water heater anode rod depletion sensor algorithm
WO2014136097A1 (en) * 2013-03-08 2014-09-12 Emmeti Spa Method to control the functioning of a heating apparatus
US20170193794A1 (en) * 2016-01-06 2017-07-06 General Electric Company Water Heaters and Methods for Monitoring Anode Rod Depletion
US20170293293A1 (en) * 2016-04-12 2017-10-12 Johnson Controls Technology Company Hvac system with equipment failure prediction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020223648A1 *

Also Published As

Publication number Publication date
WO2020223648A1 (en) 2020-11-05
EP3947778A1 (en) 2022-02-09
CN113728127A (en) 2021-11-30
US20200348049A1 (en) 2020-11-05

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