EP0936408A2 - Gasbrenner für Kochstellen - Google Patents
Gasbrenner für Kochstellen Download PDFInfo
- Publication number
- EP0936408A2 EP0936408A2 EP99101666A EP99101666A EP0936408A2 EP 0936408 A2 EP0936408 A2 EP 0936408A2 EP 99101666 A EP99101666 A EP 99101666A EP 99101666 A EP99101666 A EP 99101666A EP 0936408 A2 EP0936408 A2 EP 0936408A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- nozzle
- gas
- air
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- F23D—BURNERS
- F23D2207/00—Ignition devices associated with burner
Definitions
- the invention relates to a gas burner with automatic ignition for hot plates according to the preamble of claim 1.
- Gas burners are for example from DE-A-41 08 296, 42 03 668 and 41 03 048 known.
- the object of the invention is to achieve the automatic ignition process to improve the gas burner and in particular a safe ignition ensure that the need for multiple ignition attempts is avoided.
- the gas burner shown in the drawings has a gas-air mixture space 2 between a mushroom-shaped lower part 4 and a cover 6.
- a plurality of burner nozzles is formed on the peripheral wall 8 of the mixture chamber 2. of which only one is shown in the drawing, which serves as an ignition nozzle 10 and connects the mixture chamber 2 with an ignition chamber 12.
- the ignition chamber 12 opens its radial inside from the peripheral wall 8, above from part of the cover 6 and bounded below by a part of the lower part 4 and is on its radially outer Side open to the outside environment so that the pilot flame can escape to the outside and also acts as one of the burner flames after the ignition process.
- spark plug 16 When the gas is turned on, it will automatically switch between the ignition pin 14 and the housing of the spark plug 16 generates a spark, which is the gas-air mixture ignites.
- other types of igniters can also be used are used, for example glow starter with a glow element instead of one Ignition pin 14.
- the igniter, in this case the ignition pin 14, is downstream the ignition nozzle 10 arranged in its gas-air flow path, so that the gas-air mixture flow 18 flows over the ignition pin 14.
- Firing pin 14 formed a projection 20 which from the cover 6 towards Ignition pin 14 protrudes and forms a baffle plate, which the gas-air mixture flow the ignition nozzle 10 swirls and deflects towards the ignition pin 14.
- the nozzle channel of the ignition nozzle 10 has a short one at the upstream beginning cylindrical portion and is then funnel-like up to its downstream end expanded so that it acts as a diffuser and "tears open” the gas-air mixture.
- This Diffuser effect of the ignition nozzle 10 and the baffle plate 20 have a better ignition of the mixture on the ignition pin 14 and avoids that in vain must be ignited when the gas burner is switched on.
- the gas is the mixture chamber 2 from a gas nozzle 22 via a central Pipe socket 24 supplied and sucks between the gas nozzle 22 and the pipe socket 24 air from the outside environment, so-called primary air 26.
- primary air 26 Is used for combustion not only this primary air 26, but also the ambient air in the area of Burner nozzles, of which only the ignition nozzle 10 is shown. Except the Burner nozzles 10 in the plane of the ignition nozzle 10 can have more beneath them Gas outlet openings 28 can be provided, through which the mixture chamber 2 Escape the gas-air mixture to form auxiliary flames when heat is required can.
- Air intake channels 30 are provided, of which the drawing shows only one.
- This Air intake duct is on the one hand in connection with the outside air and opens on the other hand on a located between the ignition nozzle 10 and the spark plug 16 Place in the ignition chamber 12.
- the downstream section of the air intake duct 30 is directed into the ignition chamber 12 in such a direction that the intake Additional air 32 at a located between the ignition nozzle 10 and the ignition pin 14 Place in the gas-air mixture stream of the ignition nozzle 10 is sucked.
- the air intake duct 30 is aligned so that at least a part of the additional air 32nd is aimed directly at the ignition pin 14.
- the additional outside air 32 of the Air intake duct 30 reduces the gas portion of the ignition pin 14 Mixture. This does indeed increase the combustion efficiency of the mixture Ignition nozzle 10 deteriorates, but the ignition process improves.
- the extra air of the air intake duct 30 has a better effect, the better it deals with the gas-air flow the ignition nozzle 10 is mixed. The mixing is done by the Diffuser effect of the ignition nozzle 10 and by the swirling on the baffle plate 20th significantly improved.
- the air intake duct 30 is inclined on the way at an angle of less than 90 ° of the mixture flow 18 of the ignition nozzle 10, the angular tip in Direction of flow of the mixture flow shows.
- the peripheral wall 8 of the gas space 2 is by an annular projection Cover 6 formed, but other embodiments are possible.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Description
- Fig. 1
- zeigt einen Axialschnitt durch einen Gasbrenner mit automatischer Zündung gemäß der Erfindung für Kochstellen eines Gasherdes,
Claims (4)
- Gasbrenner mit automatischer Zündung für Kochstellen, mit einem Gas-Luft-Gemischraum (2) zwischen einem Unterteil (4) und einem Deckel (6), mit einer Vielzahl von Brennerdüsen (10) in einer Umfangswand (8) des Gemischraumes (2), und mit einem Zündraum (12), in welchen mindestens eine der Brennerdüsen (10) als Zünddüse mündet und welcher mit einem Zünder (14) versehen ist, wobei der Zündraum (12) von der Umfangswand (8), dem Unterteil (4) und dem Deckel (6) begrenzt ist, jedoch in Flammenrichtung zur Außenumgebung offen ist, dadurch gekennzeichnet, daß der Düsenkanal der Zünddüse (10) mindestens über eine Teillänge in Strömungsrichtung diffusorartig erweitert ist, so daß ihr Gemischstrom radial aufgeweitet wird.
- Gasbrenner nach Anspruch 1, dadurch gekennzeichnet, daß im Zündraum (12) eine Prallwand (20) auf der dem Zünder (14) gegenüberliegenden Zündraumseite derart vorgesehen ist, daß sie den Gemischstrom der Zünddüse (10) in Richtung zum Zünder (14) ablenkt.
- Gasbrenner nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß mindestens ein Luftansaugkanal (30) vorgesehen ist, welcher einerseits mit der Außenluft (32) in Verbindung ist und andererseits zwischen der Zünddüse (10) und dem Zünder (14) in den Zündraum (12) mündet, so daß der Gemischstrom der Zünddüse (10) Luft durch den Luftansaugkanal (30) aus der Außenumgebung ansaugt und an dem Zünder (14) entlangführt.
- Gasbrenner nach Anspruch 3, dadurch gekennzeichnet, daß der Luftansaugkanal (30) mit einem Winkel von weniger als 90° schräg auf des Weg den Gemischstromes (18) der Zünddüse (10) gerichtet ist, wobei die Winkelspitze in Strömungsrichtung des Gemischstromes (18) zeigt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19805559 | 1998-02-11 | ||
DE19805559A DE19805559A1 (de) | 1998-02-11 | 1998-02-11 | Gasbrenner für Kochstellen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0936408A2 true EP0936408A2 (de) | 1999-08-18 |
EP0936408A3 EP0936408A3 (de) | 2000-02-09 |
EP0936408B1 EP0936408B1 (de) | 2002-10-09 |
Family
ID=7857383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99101666A Expired - Lifetime EP0936408B1 (de) | 1998-02-11 | 1999-02-04 | Gasbrenner für Kochstellen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0936408B1 (de) |
AT (1) | ATE225921T1 (de) |
DE (2) | DE19805559A1 (de) |
ES (1) | ES2185254T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19955449A1 (de) * | 1999-11-17 | 2001-05-23 | Agt Gas Technology Gmbh | Gasbrenner |
US11808448B2 (en) * | 2020-11-24 | 2023-11-07 | Whirlpool Corporation | Burner assemblies for a cooktop |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419074A (en) * | 1981-09-11 | 1983-12-06 | Advanced Mechanical Technology, Inc. | High efficiency gas burner |
GB2153988A (en) * | 1984-02-03 | 1985-08-29 | Thorn Emi Domestic Appliances | Gas burner |
US5492469A (en) * | 1995-05-04 | 1996-02-20 | Eaton Corporation | Gaseous fuel burner and dual probe spark electrode therefor |
US5690483A (en) * | 1996-07-17 | 1997-11-25 | Eaton Coporation | Gaseous fuel burner |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4427953A1 (de) * | 1994-08-06 | 1996-02-08 | Ruhrgas Ag | Gasbrenner für Kochstellen eines Gasherdes |
-
1998
- 1998-02-11 DE DE19805559A patent/DE19805559A1/de not_active Withdrawn
-
1999
- 1999-02-04 DE DE59902991T patent/DE59902991D1/de not_active Expired - Lifetime
- 1999-02-04 AT AT99101666T patent/ATE225921T1/de not_active IP Right Cessation
- 1999-02-04 ES ES99101666T patent/ES2185254T3/es not_active Expired - Lifetime
- 1999-02-04 EP EP99101666A patent/EP0936408B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419074A (en) * | 1981-09-11 | 1983-12-06 | Advanced Mechanical Technology, Inc. | High efficiency gas burner |
GB2153988A (en) * | 1984-02-03 | 1985-08-29 | Thorn Emi Domestic Appliances | Gas burner |
US5492469A (en) * | 1995-05-04 | 1996-02-20 | Eaton Corporation | Gaseous fuel burner and dual probe spark electrode therefor |
US5690483A (en) * | 1996-07-17 | 1997-11-25 | Eaton Coporation | Gaseous fuel burner |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Woche 199625, Derwent Publications Ltd., London, GB; Klasse Q73, AN 1996-247718, XP002900736 & JP 08 100910 A (HAMAN KK.) 06. Juni 1996, * |
Also Published As
Publication number | Publication date |
---|---|
DE59902991D1 (de) | 2002-11-14 |
EP0936408B1 (de) | 2002-10-09 |
ATE225921T1 (de) | 2002-10-15 |
ES2185254T3 (es) | 2003-04-16 |
DE19805559A1 (de) | 1999-08-12 |
EP0936408A3 (de) | 2000-02-09 |
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