GB1419618A - Apparatus for heating liquids - Google Patents

Apparatus for heating liquids

Info

Publication number
GB1419618A
GB1419618A GB5750071A GB5750071A GB1419618A GB 1419618 A GB1419618 A GB 1419618A GB 5750071 A GB5750071 A GB 5750071A GB 5750071 A GB5750071 A GB 5750071A GB 1419618 A GB1419618 A GB 1419618A
Authority
GB
United Kingdom
Prior art keywords
liquid
water
triac
heated
supply
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
GB5750071A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB5750071A priority Critical patent/GB1419618A/en
Publication of GB1419618A publication Critical patent/GB1419618A/en
Expired 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
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • F24H1/103—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance with bare resistances in direct contact with the fluid
    • 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
    • F24H15/20—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
    • F24H15/30—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
    • F24H15/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

1419618 Liquid heaters J E BRAIN 8 March 1973 [10 Dec 1971] 57500/71 Heading F4A In a liquid heating apparatus, a casing 5 is provided with a liquid inlet 7 and a liquid outlet 8, the liquid passing through a tortuous passage 6 being heated by an electric heating element 12 when a movable magnet 10 operates a reed switch 18 mounted outside the liquid flowpath. In operation, liquid (e.g. water) flowing into the apparatus through inlet 7 lifts the movable magnet 10 to its upper position to contact a fixed magnet 10A and close the reed switch 18. As water flows along the passage 6 it flows over a triac 11 to cool the latter and then is heated by passage over the heating element 12. The heated water then passes over a thermistor 16 and lifts a movable magnet 13 towards a fixed magnet 13A to close a second reed switch 19 and connect a switching trigger circuit 20 which serves to supply a train of trigger pulses to the gate of the triac 11 to switch the latter on and supply current to the heater element 12. As the water temperature rises the thermistor 16 serves to vary the number of trigger pulses to the triac 11 and to reduce the current flow to the heater element 12. Control of a variable resistance 22 enables the temperature of the water to be heated to be maintained relatively constant. When the flow of water ceases, the magnets 10 and 13 fall to their lower positions and the reed switches 18 and 19 are opened thereby stopping the supply of trigger pulses to the triac 11 and the current supply to the heater element 12 is cut off. A thyristor or a silicone controlled rectifier may be used instead of the triac.
GB5750071A 1971-12-10 1971-12-10 Apparatus for heating liquids Expired GB1419618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5750071A GB1419618A (en) 1971-12-10 1971-12-10 Apparatus for heating liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5750071A GB1419618A (en) 1971-12-10 1971-12-10 Apparatus for heating liquids

Publications (1)

Publication Number Publication Date
GB1419618A true GB1419618A (en) 1975-12-31

Family

ID=10479336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5750071A Expired GB1419618A (en) 1971-12-10 1971-12-10 Apparatus for heating liquids

Country Status (1)

Country Link
GB (1) GB1419618A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148467A (en) * 1983-10-18 1985-05-30 Gainsborough Electrical Water heaters
GB2184526A (en) * 1983-10-18 1987-06-24 Gainsborough Electrical Water heaters
WO1988000318A1 (en) * 1986-07-01 1988-01-14 A.T. Avanzata Tecnologia S.R.L. Instant water heater
WO1993016336A1 (en) * 1992-02-06 1993-08-19 Gulf Energy Inc. Switching device for instantaneous water heaters
EP4279835A1 (en) * 2022-05-16 2023-11-22 Vaillant GmbH Electric heating device, method for producing an electric heating device and use of a heat exchanger

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148467A (en) * 1983-10-18 1985-05-30 Gainsborough Electrical Water heaters
US4638147A (en) * 1983-10-18 1987-01-20 Anthony Dytch Microprocessor controlled through-flow electric water heater
GB2184526A (en) * 1983-10-18 1987-06-24 Gainsborough Electrical Water heaters
WO1988000318A1 (en) * 1986-07-01 1988-01-14 A.T. Avanzata Tecnologia S.R.L. Instant water heater
WO1993016336A1 (en) * 1992-02-06 1993-08-19 Gulf Energy Inc. Switching device for instantaneous water heaters
EP4279835A1 (en) * 2022-05-16 2023-11-22 Vaillant GmbH Electric heating device, method for producing an electric heating device and use of a heat exchanger

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
433D Application made for revocation (sect. 33/1949)
433R Application not proceeded with (sect. 33/1949)
PLE Entries relating assignments, transmissions, licences in the register of patents
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930307