DE2939629A1 - IMPROVEMENTS ON GAS BURNERS - Google Patents

Description

PATENT Attorney f *. $ W 1979

BERNHARD RICHTER

8i NUREMBERO BcthovenstraßelO- Telephone (0911) »SO«

DE DIETRICH & CIE, SA
NIEDERBR0NN-LE8-BAINS (Bas-Rhin), France

Improvements to gas burners

The present invention relates to the field of household appliances, in particular to that of table gas cookers and gas stoves, and it concerns improvements to the gas burners in these appliances.

The currently known gas hobs are provided with burners, which mainly consist of a pipe-like cast iron pipe, the narrowed end of which is placed horizontally on a gas nozzle is and has adjustable inlet openings for the combustion air, while the expanded pipe end is vertical opens into the burner head on which the burner cover rests. The cast iron pipe is designed on the inside as a Venturi pipe in order to improve the injected air-gas mixture before it gets under the burner cover.

Such a design of the cast burner body is subject to manufacturing conditions by means of which a burner body is obtained with dimensions that-especially in terms of height

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are big. It follows that the height of the gas stove top, which contains such burner body, is also very high is considerable.

In order to overcome these disadvantages, the present invention has improvements to the burners of the gas stove tops that use it allow to obtain a burner unit of low height, which the execution of extremely flat gas hobs allows to the subject.

For this purpose, according to a feature of the invention, the burner body consists of two body halves made of sheet metal, which are flanged longitudinally are connected to each other and thus form a tube, into which a calibrated gas nozzle when entering gas mixing with air is injected. This tube is designed as a Venturi tube and ends as a flat expansion drum, which continues upwards as a pipe extension to accommodate the burner head, which is thus horizontal rests on the drum.

The lower half of the body rests on the floor pan of the stove box, and the upper half of the body is above the center of the Equip the expansion drum with the deep-drawn pipe socket.

According to a further improvement according to the invention is a Device provided which makes it possible to no longer loosely attach the burner head to the burner body, but rather it to be attached to the torch body so that it can no longer be removed from its seat by clumsy handling.

Changing the position of the burner head on the burner body prevents good combustion of the air-gas mixture and requires the gas tap to be closed. Replacing the hot burner head can burn the user and if you drop it on the floor, damage the burner cover itself.

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In the exemplary embodiment, there is this fastening device of the torch head on the torch body from a bayonet lock.

The burner body is attached to the bottom plate of the stove box by a Π -shaped part that covers the tubular drum and leaves the tube attachment free. This Λ -shaped part, which is fastened to the bottom plate of the hearth box, has two protruding tongues on its upper part, which are diametrically opposed and aligned with the axis of the pipe attachment.

The torch head to be attached to the torch body points on its shaft there are two inclined guides into which the tongues slide.

The CL -shaped part can furthermore have a borehole for fastening a spark plug, as well as two plague nuts, which are diametrically opposed with respect to the axis of the tube socket. These nuts are used for fastening by means of a plate-shaped ring and two screws, the cooker plate.

The following description relates to an embodiment of the improvement according to the invention of a gas burner, which is explained as an unrestricted preferred example with reference to the accompanying drawings.

Show it :

FIG. 1 shows the cross section of a burner body according to the invention;

FIG. 2 according to section A-A, the plan view of a body part; FIG. 3 shows the sectional view according to B-B of FIG. 1; FIG. 4 shows the side view, with cutouts, of the fastening device the torch head on the torch body; FIG. 5 shows the top view of the burner head of FIG. 4, and Figure 6 the side view of the burner head

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As shown in FIGS. 1 to 3, there is the burner body (1) of the above invention from two body halves (2,3) which are assembled by flanging the edges (4). the Body halves are expanded at one end and form a flat drum (5) in which the expansion and improvement the air-gas mixture takes place, which is injected at the other end in a known manner. The drum (5) increases through the small one deep-drawn on the body half (2) Pipe socket (6) that receives the burner head (7).

This latter is according to the representation of Figures 4 and 5 on the torch body (1) by means of a bayonet lock device attached.

This device consists of a -Ω. -fönnigen part (8), the covers the drum (5) of the burner body and serves as a stop for this by means of the tab (9). The part (8) that on the bottom plate (10) of the stove top (11) has a central opening (12) for the passage of the Pipe socket (6) of the burner body, also a hole for attaching a spark plug (13), which is also through the Stovetop is guided, and two nuts (14) for the two screws (15) through a plate-shaped ring (16) with also attach the hotplate to a central opening, and two tongues (17) directed towards the center, which are inclined in two when the burner head (7) is attached Slide in guides (18) with which the head is provided · G-em according to the example of the drawings, by turning the tongues (17) are inserted into the inclined guides (18) in a clockwise direction of the burner head, whereby according to Art the bayonet catch, the burner head is locked to the burner body.

Because of these improvements to gas burners, it is possible to significantly reduce the height of the hotplates and to ensure that the torch is firmly seated on the torch body.

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It should be noted that this invention is not limited to that

described and illustrated exemplary embodiment, and it various changes are possible without departing from the scope of the invention.

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Claims (6)

PATENT ADVOCATE ^': J (L' ih-incBERNHARD JUDGES? .: .. ..- .. · ..-; «I.NÜRNBERQ Beethovenstrasse 10 Telephone (0911) 595015 -Patent claims- ( \ J Improvements to gas burners, characterized in that the burner body (1) consists of two halves (2, 3) made of sheet metal, which are assembled by flanging their edges (4) and a venturi tube, as well as an expansion drum (5) and a Form pipe socket (6) for receiving the burner head (7). 2. Improvements to gas burners according to claim 1, characterized characterized in that the burner head (7) is locked on the burner body (1) by means of a fastening device. 3. Improvements to gas burners according to claim 2, characterized in that the fastening device in the form of a Bayonet lock is executed. 4. Improvements to gas burners according to one of the claims 2 and 3, characterized in that the locking device from a -Ω. -shaped part (8) consists on the The base plate (10) of the hotplate (11) is attached and on the one hand serves as a stop for the burner body (1), and that on the other hand, by means of the two tongues (17) provided on the top, the locking of the burner head (7) with the The torch body (1) is ensured by the tongues (17) moving into the inclined guides by turning the torch head (7) (18) of the latter. 5. Improvements to gas burners according to one of the claims 2 to 4, characterized in that the ru-shaped part (8) is provided with a borehole for fastening a spark plug (13). 6. Improvements to gas burners according to one of the claims 2 to 4, characterized in that the Λ-shaped part (8) is provided with two nuts (14) with two screws (15) for fastening a plate-shaped ring (16) with the Co-operate stove box. ORIGINAL INSPECTED 030017/0681