FR2337316A1 - Gas burner operated instant water heater - has modulation and stop valves controlled by differential temp. regulator and water flow detector - Google Patents

Gas burner operated instant water heater - has modulation and stop valves controlled by differential temp. regulator and water flow detector

Info

Publication number
FR2337316A1
FR2337316A1 FR7539944A FR7539944A FR2337316A1 FR 2337316 A1 FR2337316 A1 FR 2337316A1 FR 7539944 A FR7539944 A FR 7539944A FR 7539944 A FR7539944 A FR 7539944A FR 2337316 A1 FR2337316 A1 FR 2337316A1
Authority
FR
France
Prior art keywords
modulation
flow detector
gas burner
regulator
controlled
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Withdrawn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
FR7539944A
Other languages
French (fr)
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.)
Cidelcem SA
Original Assignee
Cidelcem SA
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 Cidelcem SA filed Critical Cidelcem SA
Priority to FR7539944A priority Critical patent/FR2337316A1/en
Publication of FR2337316A1 publication Critical patent/FR2337316A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/14—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermo-sensitive resistors
    • F23N5/146—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermo-sensitive resistors using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F23N1/085—Regulating fuel supply conjointly with another medium, e.g. boiler water using electrical or electromechanical means
    • 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
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The instant water heater has one or more water tubes above a gas burner. The burner supply pipe has, one after the other, a modulation valve (13) and a stop valve (14). These are controlled, respectively, by a differential temperature regulator with two monitoring probes (26, 27) mounted upstream and downstream of the heater (1); and by a flow detector (23) in the water outlet pipe. There can be an automatic lighting system, with a pilot light (16) controlled by solenoid valve (16a, 16b) in the tapping to it. The solenoid valve is in turn controlled by the control system, which also regulates an ignition electrode. A monitoring probe allows opening of the supply valves to the burner only after the pilot flame has been lit.
FR7539944A 1975-12-29 1975-12-29 Gas burner operated instant water heater - has modulation and stop valves controlled by differential temp. regulator and water flow detector Withdrawn FR2337316A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7539944A FR2337316A1 (en) 1975-12-29 1975-12-29 Gas burner operated instant water heater - has modulation and stop valves controlled by differential temp. regulator and water flow detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7539944A FR2337316A1 (en) 1975-12-29 1975-12-29 Gas burner operated instant water heater - has modulation and stop valves controlled by differential temp. regulator and water flow detector

Publications (1)

Publication Number Publication Date
FR2337316A1 true FR2337316A1 (en) 1977-07-29

Family

ID=9164248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539944A Withdrawn FR2337316A1 (en) 1975-12-29 1975-12-29 Gas burner operated instant water heater - has modulation and stop valves controlled by differential temp. regulator and water flow detector

Country Status (1)

Country Link
FR (1) FR2337316A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062856A1 (en) * 1981-04-13 1982-10-20 Honeywell B.V. Control device for a gas-heated boiler of a warm-water heating installation
DE3235364A1 (en) * 1982-09-24 1984-03-29 Danfoss A/S, 6430 Nordborg HOT WATER HEATING SYSTEM
WO1989004442A1 (en) * 1987-11-02 1989-05-18 South Australian Gas Company Instantaneous hot water system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062856A1 (en) * 1981-04-13 1982-10-20 Honeywell B.V. Control device for a gas-heated boiler of a warm-water heating installation
DE3235364A1 (en) * 1982-09-24 1984-03-29 Danfoss A/S, 6430 Nordborg HOT WATER HEATING SYSTEM
WO1989004442A1 (en) * 1987-11-02 1989-05-18 South Australian Gas Company Instantaneous hot water system

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Legal Events

Date Code Title Description
ST Notification of lapse