GB2262594B - Waterheater - Google Patents

Waterheater

Info

Publication number
GB2262594B
GB2262594B GB9226410A GB9226410A GB2262594B GB 2262594 B GB2262594 B GB 2262594B GB 9226410 A GB9226410 A GB 9226410A GB 9226410 A GB9226410 A GB 9226410A GB 2262594 B GB2262594 B GB 2262594B
Authority
GB
United Kingdom
Prior art keywords
water
reed switch
magnetic float
elements
waterboilers
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
GB9226410A
Other versions
GB2262594A (en
GB9226410D0 (en
Inventor
Royston Leonard Edwards
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.)
IMI Santon Ltd
Original Assignee
IMI Santon 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 GB919127195A external-priority patent/GB9127195D0/en
Priority claimed from GB929213387A external-priority patent/GB9213387D0/en
Application filed by IMI Santon Ltd filed Critical IMI Santon Ltd
Priority to GB9226410A priority Critical patent/GB2262594B/en
Publication of GB9226410D0 publication Critical patent/GB9226410D0/en
Priority claimed from AU33984/93A external-priority patent/AU661557B2/en
Publication of GB2262594A publication Critical patent/GB2262594A/en
Application granted granted Critical
Publication of GB2262594B publication Critical patent/GB2262594B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/82—Fixedly-mounted immersion heaters
    • 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
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/128—Preventing overheating
    • F24H15/132—Preventing the operation of water heaters with low water levels, e.g. dry-firing
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/174—Supplying heated water with desired temperature or desired range of temperature
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/219—Temperature of the water after heating
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/223—Temperature of the water in the water storage tank
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/246—Water level
    • F24H15/248—Water level of water storage tanks
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • 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
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/281—Input from user

Abstract

A waterboiler comprises 2 kW and 1 kW heating elements (11, 12 respectively) that together heat the water (2) to about 96 0 G, as sensed by a thermistor (14), whereupon the 2 kW element (11) cuts out and the water (2) is further heated to, and maintained at, water boiling point by the 1 kW element (12). The arrangement lessens the problems of cavitation noise and element scaling associated with prior waterboilers. In an alternative embodiment, the output of a single heating element is modulated by using a transformer to reduce the voltage in put. A water inlet has a solenoid valve (8) controlled by a reed switch (9) actuated by a magnetic float (9'). Another reed switch (10)/magnetic float (10') ensure that the healing elements (11, 12) cannot be energised until they are immersed. <IMAGE>
GB9226410A 1991-12-21 1992-12-18 Waterheater Expired - Fee Related GB2262594B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9226410A GB2262594B (en) 1991-12-21 1992-12-18 Waterheater

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB919127195A GB9127195D0 (en) 1991-12-21 1991-12-21 Water heater
GB929213387A GB9213387D0 (en) 1992-06-24 1992-06-24 Waterheater
GB9226410A GB2262594B (en) 1991-12-21 1992-12-18 Waterheater
AU33984/93A AU661557B2 (en) 1991-12-21 1993-03-05 Waterheater
NL9300425A NL9300425A (en) 1991-12-21 1993-03-09 Water heater for use e.g. in making hot drink e.g. tea and coffee

Publications (3)

Publication Number Publication Date
GB9226410D0 GB9226410D0 (en) 1993-02-10
GB2262594A GB2262594A (en) 1993-06-23
GB2262594B true GB2262594B (en) 1995-07-26

Family

ID=27506794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9226410A Expired - Fee Related GB2262594B (en) 1991-12-21 1992-12-18 Waterheater

Country Status (1)

Country Link
GB (1) GB2262594B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU723009B2 (en) * 1995-09-25 2000-08-17 Stokes (Australasia) Limited Heating element assembly
AUPN560795A0 (en) * 1995-09-25 1995-10-19 Stokes (Australasia) Limited Heating element assembly
GB2404293B (en) * 2000-02-01 2005-03-02 Strix Ltd Electric heaters
EP2960594A1 (en) * 2014-06-24 2015-12-30 Bleckmann GmbH & Co. KG Heating system component and method for producing same
EP2960595B1 (en) * 2014-06-24 2019-08-07 Bleckmann GmbH & Co. KG Heating system component and method for producing same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166530A (en) * 1984-11-02 1986-05-08 Ti Liquid heating systems
WO1989007740A1 (en) * 1988-02-10 1989-08-24 George Hepburn Electric boiler control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166530A (en) * 1984-11-02 1986-05-08 Ti Liquid heating systems
WO1989007740A1 (en) * 1988-02-10 1989-08-24 George Hepburn Electric boiler control system

Also Published As

Publication number Publication date
GB2262594A (en) 1993-06-23
GB9226410D0 (en) 1993-02-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981218