GB2058339A - Combustion chamber for a gas appliance - Google Patents

Combustion chamber for a gas appliance Download PDF

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Publication number
GB2058339A
GB2058339A GB8021567A GB8021567A GB2058339A GB 2058339 A GB2058339 A GB 2058339A GB 8021567 A GB8021567 A GB 8021567A GB 8021567 A GB8021567 A GB 8021567A GB 2058339 A GB2058339 A GB 2058339A
Authority
GB
United Kingdom
Prior art keywords
combustion chamber
refractory
appliance
skirt
plates
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.)
Granted
Application number
GB8021567A
Other versions
GB2058339B (en
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.)
ELM Leblanc SAS
Original Assignee
ELM Leblanc SAS
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 ELM Leblanc SAS filed Critical ELM Leblanc SAS
Publication of GB2058339A publication Critical patent/GB2058339A/en
Application granted granted Critical
Publication of GB2058339B publication Critical patent/GB2058339B/en
Expired legal-status Critical Current

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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
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • 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
    • F24H1/12—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 in which the water is kept separate from the heating medium
    • F24H1/14—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/145—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel

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)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Gas Burners (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

A combustion chamber (10) for a gas appliance for water heating; which comprises metal panels constituting a back (16), two sides attached to the back and a detachable front (20). Sheets of refractory material line the chamber and the front panel (20) and front sheet (22) are readily removable for access to the burners and the heat exchanger. The front panel has a flap at the top and/or bottom turned inwardly. The upper flap (30), if provided, deflects combustion products and the lower flap (28), if provided, obstructs radiation from the burners. <IMAGE>

Description

SPECIFICATION Combustion chamber for a gas appliance The present invention relates to gas appliances for the production of hot water, and in particular to gas boilers, bath heaters and water heaters.
Such apparatus generally comprises a combustion chamber formed by a metallic rectangular shell-plate, burners at the base of the chamber, and a nest of tubes extending through the gills or fins and placed at the upper part of said shell-plate, the water to be heated flowing through said tubes.
A double shell-plate may be provided made of a refractory material. Such an arrangement has the disadvantage that the combustion chamber has to be dismantled for providing access to the lower portion of the gills and to the burner jets. This draw-back is all the more inconvenient since, in general, said chambers are not easy to dismantle, as in some cases the burner or the exchanger has to be removed first. An object of the invention is to provide an improved combustion chamber.
According to the invention there is provided a combustion chamber for a gas heated appliance, the combustion chamber comprising a metallic skirt comprising a rear portion, two side portions fixed to the rear portion, and a removable front portion; and four refractory plates, each at the inside of a respective one of said portions of the skirt, the said front portion being in the shape of a profiled panel comprising, at its lower portion, a flap turned back towards the inside of the combustion chamber, and/or at its upper portion, a flap turned back towards the inside of the appliance.
Preferably, the refractory material plates are mounted on the metallic skirt forming the combustion chamber through the agency of slides or lugs forming slides.
Preferably, the refractory plates are each mounted with a space with respect to the respective wall of said skirt.
The invention will further be described with reference to the accompanying drawings, in which: Figure 1 is a sectional end elevation of a gas heated appliance embodying the invention, and Figure 2 is a sectional front elevation, with parts cut out, of the appliance shown in Figure 1.
In the drawing is shown a gas heated heater, which comprises a combustion chamber 10 at the lower portion of which are arranged burners and a nest of tubes (not visible in the drawing) extending through gills 14 at the top of the combustion chamber.
The combustion chamber is formed by a rectangular skirt comprising a rear portion 1 6, two side portions 18 fixed to the rear portion, and a front portion 20. The inside of the combustion chamber is provided with a refractory lining formed by four rectangular plates, such as 22, made of a refractory material, mounted on the metal panels constituting the portions 16, 1 8 and 20.
The front portion 20 of the combustion chamber, with its refractory plate 22, is designed as removable so as to facilitate dismantling. To this end, portion 20 is mounted on a lug 24 fixed on the appliance, and is held in place by screws such as 26. For removing the front portion, one needs only to remove the screws 26, then to disengage the front portion 20 from the lug 24 (position shown in chain-dot lines in Figure 1).
Access is thereby gained to the inside of the combustion chamber, and maintenance work such as brushing of the jets of burner 12 and of the lower portion of the exchanger can be carried out without further dismantling.
In the non-limitative embodiment shown in the drawing, it is to be noted that the removable front portion 20 of the combustion chamber has been made in the shape of a profiled panel comprising, in its lower portion, a flap 28 inclined towards the inside of the combustion chamber, against the radiation of the burners 32, and, at its upper portion, a flap 30, also inclined towards the inside of the appliance, so as to deflect the combustion products towards the rear. Of course, the front panel 20 can exhibit one and/or the other of said characteristics.
According to a further feature of the invention, the refractory plates 22 forming the lining of the combustion chamber 10 are removably mounted.
To this end there are provided slides such as 32, and/or lugs such as 34, forming slides into which one introduces the refractory plates 22.
Due to this arrangement, it is possible, once the front portion 20 has been removed, to remove the refractory plates 22 simply by sliding them on their support 32 and/or 34. On the other hand, the refractory plate 22', placed against the rear wall 16, is maintained in its lower portion by two clips 36 which, once disengaged, allow said plate 22' to be tipped towards the front, for being removed.
In the embodiment illustrated in the drawing, the refractory plates 22, 22' are not in direct contact with the metallic panels 16, 1 8, 20 of the skirt forming the combustion chamber, but a space such as 38 is left between the plate and the respective panel. Said space 38 allows an airflow which helps prevent the temperature of the panel becoming excessive.
It is to be understood that the invention is not restricted to the details of the embodiment described above with reference to the accompanying drawings.
1. A combustion chamber for a gas heated appliance, the combustion chamber comprising a metallic skirt comprising a rear portion, two side portions fixed to the rear portion, and a removable front portion; and four refractory plates, each at the inside of a respective one of said portions of the skirt, the said front portion being in the shape of a profiled panel comprising, at its lower portion, a flap turned back towards the inside of the combustion chamber, and/or, at its upper portion, a flap turned back towards the inside of the
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (4)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Combustion chamber for a gas appliance The present invention relates to gas appliances for the production of hot water, and in particular to gas boilers, bath heaters and water heaters. Such apparatus generally comprises a combustion chamber formed by a metallic rectangular shell-plate, burners at the base of the chamber, and a nest of tubes extending through the gills or fins and placed at the upper part of said shell-plate, the water to be heated flowing through said tubes. A double shell-plate may be provided made of a refractory material. Such an arrangement has the disadvantage that the combustion chamber has to be dismantled for providing access to the lower portion of the gills and to the burner jets. This draw-back is all the more inconvenient since, in general, said chambers are not easy to dismantle, as in some cases the burner or the exchanger has to be removed first. An object of the invention is to provide an improved combustion chamber. According to the invention there is provided a combustion chamber for a gas heated appliance, the combustion chamber comprising a metallic skirt comprising a rear portion, two side portions fixed to the rear portion, and a removable front portion; and four refractory plates, each at the inside of a respective one of said portions of the skirt, the said front portion being in the shape of a profiled panel comprising, at its lower portion, a flap turned back towards the inside of the combustion chamber, and/or at its upper portion, a flap turned back towards the inside of the appliance. Preferably, the refractory material plates are mounted on the metallic skirt forming the combustion chamber through the agency of slides or lugs forming slides. Preferably, the refractory plates are each mounted with a space with respect to the respective wall of said skirt. The invention will further be described with reference to the accompanying drawings, in which: Figure 1 is a sectional end elevation of a gas heated appliance embodying the invention, and Figure 2 is a sectional front elevation, with parts cut out, of the appliance shown in Figure 1. In the drawing is shown a gas heated heater, which comprises a combustion chamber 10 at the lower portion of which are arranged burners and a nest of tubes (not visible in the drawing) extending through gills 14 at the top of the combustion chamber. The combustion chamber is formed by a rectangular skirt comprising a rear portion 1 6, two side portions 18 fixed to the rear portion, and a front portion 20. The inside of the combustion chamber is provided with a refractory lining formed by four rectangular plates, such as 22, made of a refractory material, mounted on the metal panels constituting the portions 16, 1 8 and 20. The front portion 20 of the combustion chamber, with its refractory plate 22, is designed as removable so as to facilitate dismantling. To this end, portion 20 is mounted on a lug 24 fixed on the appliance, and is held in place by screws such as 26. For removing the front portion, one needs only to remove the screws 26, then to disengage the front portion 20 from the lug 24 (position shown in chain-dot lines in Figure 1). Access is thereby gained to the inside of the combustion chamber, and maintenance work such as brushing of the jets of burner 12 and of the lower portion of the exchanger can be carried out without further dismantling. In the non-limitative embodiment shown in the drawing, it is to be noted that the removable front portion 20 of the combustion chamber has been made in the shape of a profiled panel comprising, in its lower portion, a flap 28 inclined towards the inside of the combustion chamber, against the radiation of the burners 32, and, at its upper portion, a flap 30, also inclined towards the inside of the appliance, so as to deflect the combustion products towards the rear. Of course, the front panel 20 can exhibit one and/or the other of said characteristics. According to a further feature of the invention, the refractory plates 22 forming the lining of the combustion chamber 10 are removably mounted. To this end there are provided slides such as 32, and/or lugs such as 34, forming slides into which one introduces the refractory plates 22. Due to this arrangement, it is possible, once the front portion 20 has been removed, to remove the refractory plates 22 simply by sliding them on their support 32 and/or 34. On the other hand, the refractory plate 22', placed against the rear wall 16, is maintained in its lower portion by two clips 36 which, once disengaged, allow said plate 22' to be tipped towards the front, for being removed. In the embodiment illustrated in the drawing, the refractory plates 22, 22' are not in direct contact with the metallic panels 16, 1 8, 20 of the skirt forming the combustion chamber, but a space such as 38 is left between the plate and the respective panel. Said space 38 allows an airflow which helps prevent the temperature of the panel becoming excessive. It is to be understood that the invention is not restricted to the details of the embodiment described above with reference to the accompanying drawings. CLAIMS
1. A combustion chamber for a gas heated appliance, the combustion chamber comprising a metallic skirt comprising a rear portion, two side portions fixed to the rear portion, and a removable front portion; and four refractory plates, each at the inside of a respective one of said portions of the skirt, the said front portion being in the shape of a profiled panel comprising, at its lower portion, a flap turned back towards the inside of the combustion chamber, and/or, at its upper portion, a flap turned back towards the inside of the appliance.
2. A combustion chamber according to claim 1, wherein the refractory material plates are mounted on the various portions forming the metallic shirt through the agency of slides.
3. A combustion chamber according to either of the preceding claims, wherein the refractory plates are each mounted with a free space with respect to the respective skirt portion.
4. A combustion chamber substantially as hereinbefore described with reference to the accompanying drawings.
GB8021567A 1979-07-13 1980-07-01 Combustion chamber for a gas appliance Expired GB2058339B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7918190A FR2461199A1 (en) 1979-07-13 1979-07-13 IMPROVEMENTS ON COMBUSTION CHAMBERS OF GAS HEATED APPLIANCES

Publications (2)

Publication Number Publication Date
GB2058339A true GB2058339A (en) 1981-04-08
GB2058339B GB2058339B (en) 1983-09-14

Family

ID=9227838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8021567A Expired GB2058339B (en) 1979-07-13 1980-07-01 Combustion chamber for a gas appliance

Country Status (7)

Country Link
JP (1) JPS6229798Y2 (en)
AT (1) AT388608B (en)
DE (1) DE3024792A1 (en)
ES (1) ES260292Y (en)
FR (1) FR2461199A1 (en)
GB (1) GB2058339B (en)
IT (1) IT1128838B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400485B (en) * 1992-04-07 1996-01-25 Vaillant Gmbh UNCOOLED COMBUSTION CHAMBER FOR GUIDING COMBUSTION GASES FROM A BURNER

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4025583A1 (en) * 1990-08-11 1992-02-13 Bosch Gmbh Robert Water heater with gas or oil burner
DE19748261B4 (en) 1997-10-31 2004-11-11 Robert Bosch Gmbh Combustion chamber, especially for gas water heaters and gas heater burners
DE19748259A1 (en) * 1997-10-31 1999-05-06 Bosch Gmbh Robert Combustion chamber for water heaters, especially gas heaters
DE19748260A1 (en) 1997-10-31 1999-08-12 Bosch Gmbh Robert Combustion chamber, especially for gas water heaters and gas heater burners
DE19801264A1 (en) * 1998-01-15 1999-04-08 Bosch Gmbh Robert Combustion chamber for gas thermal source
USD770115S1 (en) * 2014-11-10 2016-10-25 Jobar International, Inc. Screen wiper

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619955A (en) * 1948-08-07 1952-12-02 Affiliated Gas Equipment Inc Flat tank water heater
US2736298A (en) * 1952-07-23 1956-02-28 Smith Frank Welded steel boiler
ES318122A1 (en) * 1965-03-22 1965-12-16 Spray Wash Italiana Societr Pe Heater for hot water, for spray cleaning equipment. (Machine-translation by Google Translate, not legally binding)
US3388692A (en) * 1966-09-29 1968-06-18 William A. Hale Modular boiler
DE2210575B2 (en) * 1972-03-04 1976-01-02 Robert Bosch Gmbh, 7000 Stuttgart Process for coating a heat exchanger made of copper for a gas-heated water heater with a corrosion-resistant layer containing aluminum
US3800748A (en) * 1973-01-08 1974-04-02 Mms Ltd Fluid heater appliance
FR2253405A5 (en) * 1973-12-04 1975-06-27 Saunier Duval Combustion chamber for gas fired boiler - made from fibrous refractory material consists of U-shaped plate and flat closure plate
FR2327496A1 (en) * 1973-12-13 1977-05-06 Saunier Duval LAYOUT AND ASSEMBLY OF THE SEALED ENCLOSURE AND OF THE COMBUSTION CHAMBER OF A SEALED GAS BOILER WITH FORCED DRAFT
FR2273223A1 (en) * 1974-05-29 1975-12-26 Produits Refractaires Thermal insulation element - has insulating pads on backing material folded to form boxes or channels
GB1480672A (en) * 1974-08-01 1977-07-20 Bosch Gmbh Robert Water heater
DE2505765A1 (en) * 1975-02-12 1976-08-19 Bosch Gmbh Robert Gas or oil burner fired water heating device - has lamellar heat exchanger block with through flow tubes mounted on frame
DE7528615U (en) * 1975-09-10 1976-03-04 Robert Bosch Gmbh, 7000 Stuttgart WATER HEATER WITH AN ATMOSPHERIC BURNER FOR GAS OR LIQUID FUELS
FR2328926A1 (en) * 1975-10-20 1977-05-20 Leblanc Sa E L M Gas boiler made from standard sub assembly units - has stainless steel combustion chamber with slide rail mounted end plates and flue gas cover
JPS5311893U (en) * 1976-07-12 1978-01-31
CH611196A5 (en) * 1976-09-27 1979-05-31 Int De Rech Tech Et De Consule
JPS5352882U (en) * 1976-10-04 1978-05-06
JP2853822B2 (en) * 1992-05-15 1999-02-03 大阪ガスエンジニアリング株式会社 Dismantling method of cylindrical tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400485B (en) * 1992-04-07 1996-01-25 Vaillant Gmbh UNCOOLED COMBUSTION CHAMBER FOR GUIDING COMBUSTION GASES FROM A BURNER

Also Published As

Publication number Publication date
DE3024792A1 (en) 1981-02-05
GB2058339B (en) 1983-09-14
JPS6229798Y2 (en) 1987-07-31
ATA353680A (en) 1985-11-15
AT388608B (en) 1989-08-10
IT1128838B (en) 1986-06-04
IT8068030A0 (en) 1980-07-01
DE3024792C2 (en) 1988-09-08
FR2461199A1 (en) 1981-01-30
JPS5618555U (en) 1981-02-18
ES260292U (en) 1982-06-16
FR2461199B1 (en) 1982-10-15
ES260292Y (en) 1982-12-16

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000630