US20160215975A1 - Gas burner assembly for a gas hob, gas hob and gas oven - Google Patents

Gas burner assembly for a gas hob, gas hob and gas oven Download PDF

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Publication number
US20160215975A1
US20160215975A1 US14/916,578 US201414916578A US2016215975A1 US 20160215975 A1 US20160215975 A1 US 20160215975A1 US 201414916578 A US201414916578 A US 201414916578A US 2016215975 A1 US2016215975 A1 US 2016215975A1
Authority
US
United States
Prior art keywords
gas
switching valve
burner
fluid duct
gas burner
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.)
Abandoned
Application number
US14/916,578
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English (en)
Inventor
Melca GUTIERREZ HUMARA
Emilio Placer Maruri
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Assigned to BSH BOSCH UND SIEMENS HAUSGERAETE GMBH reassignment BSH BOSCH UND SIEMENS HAUSGERAETE GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Gutierrez Humara, Melca, PLACER MARURI, EMILIO
Publication of US20160215975A1 publication Critical patent/US20160215975A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/007—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply 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
    • F23N1/007—Regulating fuel supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2400/00—Pretreatment and supply of gaseous fuel
    • F23K2400/20—Supply line arrangements
    • F23K2400/201—Control devices
    • 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
    • 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
    • F23N2235/24—Valve details

Definitions

  • the present invention relates to a gas burner assembly for a gas hob, a gas hob and a gas oven.
  • a gas burner assembly of a gas hob can comprise a gas burner, a first gas valve and a first gas line.
  • the preferably controllable first gas valve can be connected to the gas burner with the help of the first gas line.
  • the gas burner assembly can comprise a second gas valve connected in parallel to the first gas valve, which with the help of a second gas line is connected to the gas burner. Both gas valves can in this case be connected to a main gas line of the gas hob.
  • the first gas valve is associated with the gas burner, enabling the flow of gas to the gas burner to be controlled.
  • the second gas valve is preferably closed.
  • the second gas valve In a second operating state of the known gas burner assembly, in particular in a so-called booster operating state, the second gas valve is open and gas is also supplied to the gas burner via the second gas line in addition to the gas supplied via the first gas line. This means the maximum heat output of the gas burner in the booster operating state is increased in comparison with its maximum heat output in the normal operating state.
  • one task of the present invention is to make available an improved gas burner assembly.
  • a gas burner assembly for a gas hob having a gas burner, a gas line which is designed to supply gas to the gas burner, a gas control valve which is attached to the gas line and is designed infinitely variably to control or shut off a gas volume flow to the gas burner, and a gas switching valve attached to the gas line downstream of the gas control valve.
  • the gas switching valve can optionally be switched between two different switching states, wherein the gas switching valve has a constantly open fluid duct and a closable fluid duct, wherein in a first switching state of the gas switching valve the closable fluid duct is closed and a maximum gas volume flow to the gas burner is restricted by a cross-section of the constantly open fluid duct of the gas switching valve, and wherein in a second switching state of the gas switching valve the closable fluid duct is open and the maximum gas volume flow to the gas burner is restricted by a cross-section of a burner nozzle of the gas burner.
  • the gas control valve is preferably connected to a main gas line of the gas hob.
  • the cross-section of the constantly open fluid duct is preferably a cross-section surface of the constantly open fluid duct. This can also be referred to as a bypass duct.
  • the cross-section of the burner nozzle is preferably a cross-section surface of the burner nozzle.
  • the burner nozzle in this case means the smallest cross-section or the largest constriction in the flow path between the gas switching valve and the outlet openings of the gas burner.
  • the burner nozzle can for example be a mixer nozzle of the gas burner.
  • the gas switching valve can have a valve housing, in which both the fluid ducts are provided.
  • the constantly open or first fluid duct of the gas switching valve is in particular designed as a so-called bypass duct of the gas switching valve.
  • This means gas can flow constantly through the first fluid duct of the gas switching valve regardless of the switching state of the gas switching valve. Only if the upstream gas control valve is closed does no gas flow through the first fluid duct.
  • the first fluid duct has a predetermined, invariable cross-section, through which in the first switching state of the gas switching valve a defined gas volume flow flows.
  • the first fluid duct thus forms a first, invariable constriction point of the gas switching valve.
  • the nominal maximum heat output of the gas burner is restricted by the cross-section of the first fluid duct.
  • the cross-section of the first fluid duct is in particular smaller than the cross-section of the burner nozzle.
  • the closable or second fluid duct can optionally be open or closed.
  • the gas switching valve, in particular the second fluid duct is preferably designed as an open-close valve. This means that the second fluid duct is optionally either completely closed or completely open.
  • the second fluid duct thus forms a second, variable constriction point of the gas switching valve. In the second switching state the nominal maximum heat output of the gas burner is restricted by the cross-section of the burner nozzle.
  • the cross-sections of the second fluid duct and of the first fluid duct together are preferably larger than the cross-section of the burner nozzle.
  • the first switching state of the gas switching valve in which the valve flow through the gas switching valve takes place only through the first fluid duct, corresponds to a normal mode of the gas burner.
  • the second switching state of the gas switching valve in which the valve flow through the gas switching valve takes place through the first and simultaneously through the second fluid duct, corresponds to a so-called booster mode of the gas burner.
  • gas control valve and the gas switching valve are arranged in series, it is possible to dispense with a parallel arrangement of both the gas valves with two gas lines and a complex coordination and actuation of the gas valves in order to achieve sufficient control of the heat output of the gas burner.
  • the above-described gas burner assembly is thus less complex and less prone to faults than known gas burner assemblies with two gas valves connected in parallel.
  • the normal mode with a constricted flow of the gas control valve and only of the bypass duct defines the nominal heat output levels for the connected gas burner. In booster mode no constriction of the gas flow between gas control valve and gas burner takes place.
  • the closable fluid duct can be closed with the help of a displaceable closure element.
  • the closure element is preferably accommodated in the valve housing of the gas switching valve.
  • the closure element can be a so-called plug valve or a sealing cone.
  • the closure element can be a throttle valve or a throttle ball.
  • the closure element can be moved from an open state, which corresponds to the second switching state of the gas switching valve, to a closed state, which corresponds to the first switching state of the gas switching valve.
  • the closure element can be coupled to an actuation element, which projects out of the valve housing. With the help of the closure element the gas switching valve can be quickly switched back and forth between both its switching states. This makes it possible to switch quickly from normal mode to booster mode or vice versa.
  • the gas switching valve is a solenoid valve, which with the help of a magnet can be optionally switched between the first switching state and the second switching state.
  • the magnet is an electromagnet.
  • the electromagnet can preferably be switched by means of a switch provided on the hob. This ensures convenient operation of the gas switching valve.
  • the magnet can be a permanent magnet.
  • the magnet is designed to move the closure element of the gas switching valve.
  • the magnet can for example be a linear or a rotary electromagnet.
  • a magnetic force of the magnet preferably acts on the closure element.
  • the gas burner assembly has a connecting piece of the gas line, which fluidically connects the gas control valve to the gas switching valve.
  • the connecting piece is preferably an aluminum pipe.
  • the connecting piece in particular connects a gas outlet of the gas control valve to a gas inlet of the gas switching valve.
  • the connecting piece can be bolted to the gas control valve and to the gas switching valve with the help of union nuts. This ensures a secure and fluidically tight connection of the gas valves.
  • the connecting piece has a connection element, which is designed to be complementary to a connection flange of the gas switching valve.
  • connection element is preferably bolted to the connecting piece.
  • the connection element can be bolted to the connection flange of the gas switching valve.
  • the gas switching valve is preferably a standard component.
  • the connection flange of the gas switching valve is in particular designed to be connected to the main gas line of the gas hob. With the help of the connection element the gas switching valve can be connected without further modifications to the connecting piece. This means the gas burner assembly can be manufactured economically.
  • the gas burner assembly has a sealing facility which is arranged between the connection element and the connection flange.
  • the sealing facility is preferably flexible. With the help of the sealing facility a fluidically tight connection between the connection element and the connection flange is ensured.
  • the gas hob can have a hob baseplate, in or on which the gas burner is mounted. Furthermore, the gas hob can have a hotplate.
  • the gas oven is preferably a household device.
  • FIG. 1 shows a schematic perspective view of a gas burner assembly for a gas hob
  • FIG. 2 shows a schematic perspective view of a gas switching valve of the gas burner assembly according to FIG. 1 ;
  • FIG. 3 shows a schematic partial section view of the gas switching valve according to FIG. 2 ;
  • FIG. 4 shows a schematic perspective view of a connection element of the gas burner assembly according to FIG. 1 ;
  • FIG. 5 shows a schematic view of the connection element according to FIG. 4 .
  • FIG. 1 shows a schematic perspective view of a gas burner assembly 1 for a gas hob 2 .
  • the gas burner assembly 1 has a gas burner 3 and a gas line 4 , which is designed to supply gas to the gas burner 3 .
  • the gas can for example be natural gas, propane gas, town gas or similar.
  • the gas burner assembly 1 can furthermore have a gas control valve 5 which is attached to the gas line 4 and which is designed infinitely variably to control or shut off a gas volume flow to the gas burner 3 .
  • the gas control valve 5 comprises a valve housing 6 with a gas outlet 7 and a gas inlet 8 .
  • the gas inlet 8 has a connection flange 9 , with which the gas control valve 5 can be connected to a main gas line of the gas hob 2 .
  • the gas control valve 5 has an actuation element 10 .
  • a rotary knob can be attached to the actuation element 10 .
  • a gas switching valve 11 is attached to the gas line 4 downstream in respect of the gas control valve 5 .
  • the gas switching valve 11 shown in a schematic perspective view in FIG. 2 has a valve housing 12 with a gas inlet 13 and a gas outlet 14 .
  • the gas switching valve 11 is preferably a solenoid valve, which with the help of a magnet 15 can optionally be switched between a first switching state and a second switching state.
  • the magnet 15 is preferably an electromagnet.
  • the magnet 15 can alternatively be a permanent magnet.
  • the magnet 15 can preferably be activated or deactivated with the help of a switch provided on the gas hob 2 .
  • the gas inlet 13 preferably has a connection flange 16 which is designed to be connected to the main gas line.
  • FIG. 3 shows the valve housing 12 of the gas switching valve 11 in a schematic partial section view.
  • the gas switching valve 11 has a first or constantly open fluid duct 17 and a second or closable fluid duct 18 .
  • the first fluid duct 17 is a first, invariable constriction point of the gas switching valve 11 . Gas only ever flows through the first fluid duct 17 if the gas control valve 5 is completely closed.
  • the second fluid duct 18 is a second, variable constriction point of the gas switching valve 11 .
  • the closable fluid duct 18 can be closed with the help of a displaceable closure element 19 .
  • the closure element 19 can be rotatably mounted in the valve housing 12 .
  • the closure element 19 can be a throttle valve, a throttle ball, a valve cone, a plug valve or similar.
  • the closable fluid duct 18 is in particular an open-close valve.
  • the magnet 15 is designed to displace the closure element 19 .
  • the closable fluid duct 18 is closed and a maximum gas volume flow to the gas burner 3 is restricted by a cross-section, in particular a cross-section surface, of the constantly open fluid duct 17 of the gas switching valve 11 .
  • the cross-section of the constantly open fluid duct 17 is smaller than a cross-section, in particular a cross-section surface, of a burner nozzle 20 of the gas burner 3 .
  • the burner nozzle 20 in this case means the smallest cross-section or the largest constriction in the flow path between the gas switching valve 11 and the outlet openings of the gas burner 3 .
  • the burner nozzle 20 can be a mixer nozzle of the gas burner 3 .
  • the heat output of the gas burner 3 can be controlled with the help of the gas control valve 5 .
  • the gas flows through the gas switching valve 11 only in the first fluid duct 17 .
  • the closable fluid duct 18 is open, in particular completely open.
  • the maximum gas volume flow to the gas burner 3 is restricted by the cross-section of the burner nozzle 20 .
  • the cross-section of the burner nozzle 20 is smaller than the cross-section surfaces of the fluid ducts 17 , 18 together.
  • the heat output of the gas burner 3 can be controlled in the second switching state with the help of the gas control valve 5 .
  • the gas flows through the gas switching valve 11 in the first fluid duct 17 and in the second fluid duct 18 simultaneously. This corresponds to the booster mode of the gas burner 3 or the gas hob 2 .
  • the gas line 4 has a first connecting piece 21 which fluidically connects the gas valves 5 , 11 to one another, and a second connecting piece 22 which connects the gas switching valve 11 fluidically to the gas burner 3 .
  • the second connecting piece 22 can be designed as a developed pipe section.
  • the second connecting piece 22 can be connected using a union nut 23 , 24 in each case to the gas outlet 14 of the gas switching valve 11 and a connection flange 25 of the gas burner 3 .
  • the first connecting piece 21 is preferably a straight pipe section.
  • the first connecting piece 21 can be an aluminum pipe. With the help of a union nut 26 the first connecting piece 21 can be connected to the gas outlet 7 of the gas control valve 5 .
  • At an end section 27 of the first connecting piece 21 facing away from the gas outlet 7 said connecting piece 21 has a connection element 28 , which is designed to be complementary to the connection flange 16 of the gas switching valve 11 .
  • FIG. 4 shows the connection element 28 in a schematic perspective view.
  • FIG. 5 shows the connection element 28 in a schematic view.
  • the first connecting piece 21 is connected to the connection element 28 with the help of a union nut 29 .
  • the end section 27 projects through the connecting piece 28 into the gas inlet 13 of the gas switching valve 11 .
  • a cut-out 30 is provided in the connection element 28 .
  • the connection element 28 has an attachment section 31 , to which the first connecting piece 21 is attached, and an arc-shaped sealing section 32 , which is designed to correspond to the connection flange 16 of the gas switching valve 11 .
  • a sealing facility 33 can be provided between the sealing section 32 and the connection flange 16 .
  • a recess 34 which penetrates the connection element 28 is provided between the sealing section 32 and the attachment section 31 .
  • the connection element 28 can have two lateral mounting sections 35 , 36 , which each comprise a through-hole 37 , 38 .
  • the connection flange 16 can have tapped holes 39 , 40 corresponding to the through-holes 37 , 38 .
  • Attachment elements such as screws for example, can be screwed into the connection flange 16 through the through-holes 37 , 38 , in order to attach the connection element 28 to the gas switching valve 11 .
  • a gas oven 41 can have such a gas burner assembly 1 and/or such a gas hob 2 .
  • the gas oven 41 is preferably a household device.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
US14/916,578 2013-09-11 2014-08-14 Gas burner assembly for a gas hob, gas hob and gas oven Abandoned US20160215975A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ESP201331325 2013-09-11
ES201331325A ES2531282B1 (es) 2013-09-11 2013-09-11 Disposición de quemador de gas para una encimera de cocina de gas, encimera de cocina de gas y cocina de gas
PCT/IB2014/063913 WO2015036880A1 (fr) 2013-09-11 2014-08-14 Ensemble brûleur pour plan de cuisson fonctionnant au gaz, plan de cuisson fonctionnant au gaz et gazinière

Publications (1)

Publication Number Publication Date
US20160215975A1 true US20160215975A1 (en) 2016-07-28

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ID=51659971

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/916,578 Abandoned US20160215975A1 (en) 2013-09-11 2014-08-14 Gas burner assembly for a gas hob, gas hob and gas oven

Country Status (5)

Country Link
US (1) US20160215975A1 (fr)
EP (1) EP3044512A1 (fr)
CN (1) CN105518388B (fr)
ES (1) ES2531282B1 (fr)
WO (1) WO2015036880A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600131202A1 (it) * 2016-12-27 2018-06-27 Sabaf Spa Rubinetto per bruciatore a gas
US10317086B2 (en) * 2012-04-20 2019-06-11 BSH Hausgeräte GmbH Burner for a gas-heated cooking appliance
US20220275938A1 (en) * 2017-05-04 2022-09-01 Tkip Holdings, Llc Flame display system and methods

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2776527T3 (es) 2017-09-20 2020-07-30 Copreci S Coop Válvula electromagnética de gas, válvula de regulación de gas y aparato de cocción a gas

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JPS6325412A (ja) * 1986-07-17 1988-02-02 Sanyo Electric Co Ltd 流量制御装置
US6189568B1 (en) * 1998-12-17 2001-02-20 Honeywell International Inc. Series mountable gas valve
US20020096169A1 (en) * 2000-09-18 2002-07-25 Torsten Gabelmann Gas stove for cooking food with at least one gas burner and a gas cooktop for cooking food with at least one gas burner
US20060024632A1 (en) * 2004-07-29 2006-02-02 Sanchez Jairo E Gas burner head with extra simmer, burner base assembly and combination thereof
US20080216810A1 (en) * 2005-08-16 2008-09-11 Bsh Bosch Und Siemens Hausgerate Gmbh Device for Increasing Power for a Limited Time
US8539978B2 (en) * 2011-05-03 2013-09-24 Emerson Electric Co. Gas valve unit with bypass flow

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DE2550219A1 (de) * 1975-11-08 1977-05-18 Seppelfricke Geb Gmbh Gas-stellglied fuer gasgeraete
JPS58140516A (ja) * 1982-02-16 1983-08-20 Sanyo Electric Co Ltd 火力切替装置
DE19627539A1 (de) * 1996-07-09 1998-01-15 Gaggenau Werke Verfahren und Vorrichtung zum Steuern der Flammengröße gasbetriebener Koch- oder Backgeräte
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Publication number Priority date Publication date Assignee Title
JPS6325412A (ja) * 1986-07-17 1988-02-02 Sanyo Electric Co Ltd 流量制御装置
US6189568B1 (en) * 1998-12-17 2001-02-20 Honeywell International Inc. Series mountable gas valve
US20020096169A1 (en) * 2000-09-18 2002-07-25 Torsten Gabelmann Gas stove for cooking food with at least one gas burner and a gas cooktop for cooking food with at least one gas burner
US20060024632A1 (en) * 2004-07-29 2006-02-02 Sanchez Jairo E Gas burner head with extra simmer, burner base assembly and combination thereof
US20080216810A1 (en) * 2005-08-16 2008-09-11 Bsh Bosch Und Siemens Hausgerate Gmbh Device for Increasing Power for a Limited Time
US8539978B2 (en) * 2011-05-03 2013-09-24 Emerson Electric Co. Gas valve unit with bypass flow

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10317086B2 (en) * 2012-04-20 2019-06-11 BSH Hausgeräte GmbH Burner for a gas-heated cooking appliance
IT201600131202A1 (it) * 2016-12-27 2018-06-27 Sabaf Spa Rubinetto per bruciatore a gas
WO2018122714A1 (fr) * 2016-12-27 2018-07-05 Sabaf S.P.A. Robinet de brûleur à gaz
US20220275938A1 (en) * 2017-05-04 2022-09-01 Tkip Holdings, Llc Flame display system and methods

Also Published As

Publication number Publication date
EP3044512A1 (fr) 2016-07-20
CN105518388B (zh) 2017-10-24
ES2531282B1 (es) 2015-12-29
CN105518388A (zh) 2016-04-20
WO2015036880A1 (fr) 2015-03-19
ES2531282A1 (es) 2015-03-12

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