DE69917488D1 - WATER HEATER WITH MULTIPARAMETER CONTROL - Google Patents

WATER HEATER WITH MULTIPARAMETER CONTROL

Info

Publication number
DE69917488D1
DE69917488D1 DE69917488T DE69917488T DE69917488D1 DE 69917488 D1 DE69917488 D1 DE 69917488D1 DE 69917488 T DE69917488 T DE 69917488T DE 69917488 T DE69917488 T DE 69917488T DE 69917488 D1 DE69917488 D1 DE 69917488D1
Authority
DE
Germany
Prior art keywords
water
water heater
heater
conditioned
control circuit
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 - Lifetime
Application number
DE69917488T
Other languages
German (de)
Inventor
Alan Clarke
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.)
Heatrae Sadia Heating Ltd
Original Assignee
Heatrae Sadia Heating Ltd
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
Priority claimed from GBGB9816366.0A external-priority patent/GB9816366D0/en
Priority claimed from GBGB9825441.0A external-priority patent/GB9825441D0/en
Application filed by Heatrae Sadia Heating Ltd filed Critical Heatrae Sadia Heating Ltd
Application granted granted Critical
Publication of DE69917488D1 publication Critical patent/DE69917488D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/0042—Cleaning arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0092—Devices for preventing or removing corrosion, slime or scale
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Cookers (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Control Of Resistance Heating (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Control Of Temperature (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • General Induction Heating (AREA)

Abstract

A water heater (10) has a vessel (11) for holding water to be heated, a heating element (12), at least one temperature sensor (21, 22), one or more level sensors (19, 20) and a control circuit (15). The water heater (10) includes a water conditioner (23) which is operable via the control circuit (15) to prevent or reduce the precipitation of limescale from the water. This is to reduce limescale build-up within the heater, thereby increasing its efficiency and prolonging its useful life. The water is conditioned by generating a conditioning signal in the water, the conditioning signal being varied in frequency and optionally varied in intensity for greater volumes of water to be conditioned.
DE69917488T 1998-07-28 1999-07-28 WATER HEATER WITH MULTIPARAMETER CONTROL Expired - Lifetime DE69917488D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9816366.0A GB9816366D0 (en) 1998-07-28 1998-07-28 Improvements in combined temperature level and limescale reduction control devices for water heaters
GBGB9825441.0A GB9825441D0 (en) 1998-11-21 1998-11-21 Improvements in combined temperature level and limescale reduction control devies for water heaters
PCT/GB1999/002253 WO2000006956A2 (en) 1998-07-28 1999-07-28 Water heater having multi-parameter control

Publications (1)

Publication Number Publication Date
DE69917488D1 true DE69917488D1 (en) 2004-06-24

Family

ID=26314128

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69917488T Expired - Lifetime DE69917488D1 (en) 1998-07-28 1999-07-28 WATER HEATER WITH MULTIPARAMETER CONTROL

Country Status (7)

Country Link
EP (1) EP1144919B1 (en)
AT (1) ATE267368T1 (en)
AU (1) AU747152B2 (en)
DE (1) DE69917488D1 (en)
GB (1) GB2340213A (en)
NZ (1) NZ510100A (en)
WO (1) WO2000006956A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2006802C2 (en) * 2011-05-18 2012-11-20 Stichting Wetsus Ct Excellence Sustainable Water Technology A combined sensor-actuator system and method for detecting and / or combating attack on a surface.
US11852381B2 (en) 2020-04-09 2023-12-26 Eccotemp Systems, LLC Water heater device and method of use
EP3892934A1 (en) 2020-04-09 2021-10-13 Eccotemp Systems, LLC Improved water heater device and method of use
US11448424B2 (en) 2020-04-09 2022-09-20 Eccotemp Systems, LLC Tankless water heater with display and electronic control
GB2614264A (en) * 2021-12-22 2023-07-05 Jemella Ltd Thermal control apparatus and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406794A (en) * 1979-02-05 1983-09-27 Brigante Miguel F External sludge collector for boiler bottom blowdown and automatic blowdown control initiated by conductivity probe within the boiler and method
HUT57678A (en) * 1987-12-27 1991-12-30 Zoltan Gyoergy Horvath Process and equipment for increasing the efficiency of magnetic liquid treating devices, particularly water treating devices
DE3912498A1 (en) * 1989-04-15 1990-10-18 Andreas Uebele Combined gravitational and magnetic fields - increase beneficial effect of water flowing in conical helical pipe round magnetic core
ATE101382T1 (en) * 1990-06-05 1994-02-15 Schulte Hartmut Dipl Ing METHOD AND DEVICE FOR TREATMENT OF WATER WITH AN ELECRO-MAGNETIC FIELD.
CH682149A5 (en) * 1990-11-26 1993-07-30 Aquasal Kalkschutzanlagen Ag
GB9117152D0 (en) * 1991-08-07 1991-09-25 Heatrae Sadia Heating Ltd Heater for liquid
DE4314969A1 (en) * 1993-05-06 1993-12-09 Schober Elektronik Gmbh Water softening in water-processing electrical appts. - by removing lime using strong magnetic field produced by permanent or electromagnets
IT234849Y1 (en) * 1994-09-26 2000-03-20 Etairoi Holding Sa STEAM GENERATOR FOR DOMESTIC USE, IN PARTICULAR FOR CLEANING WORKS

Also Published As

Publication number Publication date
WO2000006956A3 (en) 2001-10-04
GB2340213A (en) 2000-02-16
EP1144919A3 (en) 2004-04-28
EP1144919A2 (en) 2001-10-17
GB9917651D0 (en) 1999-09-29
NZ510100A (en) 2003-04-29
EP1144919B1 (en) 2004-05-19
AU5174599A (en) 2000-02-21
WO2000006956A2 (en) 2000-02-10
AU747152B2 (en) 2002-05-09
ATE267368T1 (en) 2004-06-15

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Legal Events

Date Code Title Description
8332 No legal effect for de