GB2140990B - Water heaters - Google Patents

Water heaters

Info

Publication number
GB2140990B
GB2140990B GB08411865A GB8411865A GB2140990B GB 2140990 B GB2140990 B GB 2140990B GB 08411865 A GB08411865 A GB 08411865A GB 8411865 A GB8411865 A GB 8411865A GB 2140990 B GB2140990 B GB 2140990B
Authority
GB
United Kingdom
Prior art keywords
water heaters
heaters
water
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
Application number
GB08411865A
Other versions
GB2140990A (en
GB8411865D0 (en
Inventor
Robert Lewis
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.)
R L & D Ltd
Original Assignee
R L & D 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 GB838313070A external-priority patent/GB8313070D0/en
Application filed by R L & D Ltd filed Critical R L & D Ltd
Priority to GB08411865A priority Critical patent/GB2140990B/en
Publication of GB8411865D0 publication Critical patent/GB8411865D0/en
Publication of GB2140990A publication Critical patent/GB2140990A/en
Application granted granted Critical
Publication of GB2140990B publication Critical patent/GB2140990B/en
Expired 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
    • 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
    • F24H15/281—Input from user
    • 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
    • F24H15/305—Control of valves
    • F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395—Information to users, e.g. alarms
    • 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
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/407—Control of fluid heaters characterised by the type of controllers using electrical switching, e.g. TRIAC
    • 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
    • F24H9/2028—Continuous-flow 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
GB08411865A 1983-05-12 1984-05-09 Water heaters Expired GB2140990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08411865A GB2140990B (en) 1983-05-12 1984-05-09 Water heaters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838313070A GB8313070D0 (en) 1983-05-12 1983-05-12 Water heaters
GB08411865A GB2140990B (en) 1983-05-12 1984-05-09 Water heaters

Publications (3)

Publication Number Publication Date
GB8411865D0 GB8411865D0 (en) 1984-06-13
GB2140990A GB2140990A (en) 1984-12-05
GB2140990B true GB2140990B (en) 1987-01-07

Family

ID=26286094

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08411865A Expired GB2140990B (en) 1983-05-12 1984-05-09 Water heaters

Country Status (1)

Country Link
GB (1) GB2140990B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201573B1 (en) * 1984-11-16 1991-02-27 Joh. Vaillant GmbH u. Co. Process for the stepped adjustment of the electric power occurring on a resistance connected to voltage over a switch, and circuit arrangement for implementing the process
DE3616848C2 (en) * 1984-11-16 1995-02-02 Vaillant Joh Gmbh & Co Circuit arrangement for carrying out the method according to one of claims 1 to 12 of the main patent (PCT application PCT DE 85/00474)
GB8500357D0 (en) * 1985-01-07 1985-02-13 Gen Electric Co Plc Control of heating units
GB2170665B (en) * 1985-02-02 1988-09-21 Thorn Emi Appliances Heating unit
JP2612690B2 (en) * 1986-06-06 1997-05-21 株式会社小糸製作所 AC power control device
US4713525A (en) * 1986-07-23 1987-12-15 Kowah, Inc. Microcomputer controlled instant electric water heating and delivery system
US5206963A (en) * 1990-05-30 1993-05-04 Wiens Donald E Apparatus and method for a water-saving shower bath
US5479558A (en) * 1993-08-30 1995-12-26 White, Jr.; James A. Flow-through tankless water heater with flow switch and heater control system
GB2389890B8 (en) * 2002-04-30 2011-01-05 Electro Heat Plc Flow boiler control system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB318574A (en) * 1928-06-06 1929-09-06 George Thomas Church Improvements in or relating to electrical heating apparatus particularly for use with incubators
GB346825A (en) * 1930-01-16 1931-04-16 Henry James Osborn An improved method of and means for controlling electric circuits
GB417021A (en) * 1934-01-27 1934-09-26 Falk Stadelmann And Company Lt Improvements in electric heating devices particularly applicable to cooking ovens
GB562703A (en) * 1943-01-08 1944-07-12 Charles Brook Taylor An improvement in or relating to electric fires
GB654898A (en) * 1947-09-25 1951-07-04 British Thomson Houston Co Ltd Improvements in and relating to electric heating systems
GB804453A (en) * 1956-09-28 1958-11-19 Karl Fische A switch circuit for electric heating appliances, more particularly hotplates or boiling plates
GB1350509A (en) * 1972-08-24 1974-04-18 Siemens Elektrogeraete Gmbh Electrical heating apparatus
US4135235A (en) * 1977-10-31 1979-01-16 Exxon Research & Engineering Co. Synthesizer circuit for generating three-tier waveforms

Also Published As

Publication number Publication date
GB2140990A (en) 1984-12-05
GB8411865D0 (en) 1984-06-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee