DE10334282A1 - Baking and/or cooking oven, for bakeries and large kitchens, has dosing system to deliver flavorings on and/or in the food being processed which are carried and distributed by compressed air - Google Patents

Abstract

The baking and/or cooking oven, for foodstuffs, has a dosing unit to apply at least one flavoring (2) at least partially on and/or in the food being processed. The additive is carried in compressed air (5) to distribute it. The flavoring and the compressed air are combined in a mixing chamber (1). The mixture is carried through a channel (7) to outflow openings (8) within the cooking area (15) of the oven.

Description

The The invention relates to a baking and / or cooking device for baking and / or cooking foods according to the preamble of the claim 1.

So far are both domestic as well as in the commercial sector a variety of baking or cooking devices in use, e.g. Ovens or like. In recent years or decades have been corresponding ovens always more comfortable for the users. For example, self-cleaning ovens were under Use of catalytically active materials and developed in the Brought trade.

since some time is already over the idea discussed, for example, for the preparation of a roast or the like, especially spices preferably automatically add to the roast, being both over a flat Distribute the spices on the roast as well as e.g. an introduction by means of an injection needle the spices is discussed in the roast. Here, for example, spicy oils using a transport line transported in the baking sleeve, wherein the At the end of the transport line an atomizer nozzle is arranged, which is the oil spice mixture on the roast or the like sprays.

adversely in this spraying technique is, however, that corresponding nozzles have a comparatively small clear diameter to one preferably uniform and large-scale distribution the oil spice mixture to reach the roast. A correspondingly small opening will however often by spice particles clogged, so that spraying the mixture is impaired or completely is prevented.

Task and Advantages of the invention

task the invention it is in contrast, a Baking and / or cooking device with a dosing unit for dosing a fuel on and / or to suggest in the food like a roast or the like the much more trouble-free is considered the state of the art.

These Task is, starting from a device of the introduction mentioned Art, solved by the characterizing features of claim 1.

By in the subclaims mentioned measures are advantageous embodiments and further developments of the invention possible.

Accordingly a device according to the invention is characterized characterized in that at least one pressurized excipient is provided for distributing the fuel.

With Help of an adjuvant according to the invention can be a splitting or sputtering the fuel can be realized, wherein the outlet opening of a corresponding supply line of the fuel compared to State of the art significantly larger, i. with a larger clear diameter, can be realized. Accordingly, the risk of clogging decisively reduced, so that a fail-safe operation of the device according to the invention is guaranteed even with possibly solids-containing operating materials. The risk of clogging exists in particular because of the fuel contained solids such as dirt particles, special, the taste and / or the consistency of the food advantageously influencing particles, Etc..

possibly For example, a pressurized action may be applied to the pressurized adjuvant stream be generated on the fuel. For example, hereby a so-called atomizer and / or a jet pump principle to be implemented. In a first Variant of the invention, the fuel is not or only very little pressurized, so the fuel only by the suction effect of the pressurized auxiliary stream promoted becomes. In an alternative variant of this, the fuel also be pressurized, so that this advantageous is transported to the baking or cooking area, what the reliability the transport process improved.

Conceivable is that the flow direction the flow of fuel almost parallel to the flow direction of the excipient stream is aligned. In an advantageous embodiment of the invention an intersection or flow merging of the two material flows intended.

For example is the flow direction of the Auxiliary stream transverse to the flow direction formed the fuel stream. Here, the angle between the two flow directions as acute angle or be realized as almost right angle. This ensures an advantageous distribution or atomization of the fuel to a mist-like substance mixture stream. Accordingly finely distributed, preferably small droplets or similar having mixtures allows an advantageous distribution especially on the food to be baked or cooked, such as. a roast, bread, casserole, cake, potato chips or like.

advantageously, become the two streams merged by means of pipes or the like, wherein in particular that of the excipient stream an advantageous constriction at the end. The merge or the meeting of the two streams can here without sheathing or pipeline at the place of the meeting freely in the room. Also conceivable is a pipe or pipe system within it merging the material flows is realized. Here you can two or more leads, e.g. in one or more places together be so that the inventive mist-like mixture at least one outlet opening and / or line flows out.

In a particular embodiment of the invention is a particular largely closed mixing chamber for mixing the fuel provided with the excipient. This measure will be used in the field of Merge advantageous flow, Pressure or mixing ratios realized what the fine distribution of the fuel in the mixture positively influenced. About that In addition, with the mixing chamber according to the invention a defined Discharge of the substance mixture or fog are generated.

As a general rule the mixing chamber one or more drain and / or supply lines for different Have operating materials. With the help of this measure is the use various consumables during a cooking or baking process much easier.

advantageously, is in the flow direction of Fuel behind the mixing chamber having at least one outlet opening Transport device for transporting the fuel mixture in a baking and / or Arranged cooking area. In the baking and / or cooking area is the food baked or cooked. In general, the baking and / or cooking area as a furnace sleeve or the like, e.g. by means of electrical Energy, gas combustion, etc., especially at temperatures of up to approx. 250 ° C is heated.

Preferably the transport device is designed as a pipe or the like and is at least in the baking or Garbereich largely temperature resistant. With Help of the transport device according to the invention can, for example a mixing chamber can be realized, which is in the range of low temperatures is arranged so that they do not necessarily form temperature resistant is. Hereby can et al for the realization of the mixing chamber or corresponding feed elements the two streams resorted to comparatively economical materials What are the costs of corresponding, inventive devices reduced.

Furthermore can just by means of the transport device according to the invention a defined feed the substance mixture in the baking or Garbereich be realized. The outlet opening the transport device is compared to the clear opening of the nozzles used in the prior art, e.g. by a multiple bigger, so that a clogging of the outlet opening or supply opening of the Fuel to the cooking or baking area largely prevented is. As a result, the reliability of the device according to the invention decisively improved.

In an advantageous variant of the invention, the transport device a distributor unit with a plurality of outlet openings for distributing the operating material for baking and / or cooking. With this measure, the possible even distribution of the fuel on the food additionally improved, resulting in a increase the quality of the baked or cooked food.

Farther the distributor unit can at least one lance or injection needle that in the way into the food like a roast or introduced like so that its outlet opening is located inside the food. This allows appropriate Spices, supplies to increase the moisture of the food, etc. also introduced into the food be what the quality from this in addition improved.

Preferably the distributor unit has one or more distributor arms which in an advantageous manner spatially are arranged in the baking area such that the food, if necessary from several sides, e.g. from above, below and / or laterally with The fuel can be wetted or sprayed. It is conceivable that thereby a nearly continuous turning of the food may be omitted, e.g. of grilled chicken, etc., resulting in a reduction of the constructive effort corresponding Baking and / or cooking devices according to the invention can lead.

In special cases, a plurality of foodstuffs arranged in particular at different levels in the baking or cooking area are heated at the same time as far as possible and supplied with operating material according to the invention. Even in these cases, the distributor unit can realize the most uniform possible distribution of the fuel to the various foods. In general, it is also a control of the amount of fuel depending on the / the respective food conceivable.

In an advantageous embodiment the invention, the distribution unit is adjustable. For example, the distribution unit can be realized in such a way that e.g. the operating pressure, the position of the outlet, their orientation and / or the flow rate of the fuel mixture variable or are adjustable. possibly are individual elements of the distribution unit movable, in particular formed rotatable or pivotable. A correspondingly adjustable trained distribution unit can the distribution of the fuel continue to improve on the food to be treated.

advantageously, is a control unit comprising at least one control element intended to control the amount of fuel. The control unit can be realized as a control and / or regulating unit. For example can by means of advantageous sensors, a determination of operating parameters take place, e.g. the time, temperature, flow rate at least a material flow, occupancy of the fuel in the baking or Garbereich, etc .. Optionally, the control unit is in one already existing control unit of the device according to the invention advantageous to integrate.

The Control element can, for example, as a valve or the like be formed. Preferably, the control element is for dosing the amount of excipients provided so that an indirect change or influencing the amount of fuel is implemented. With this Indirect influence on the fuel flow can be comparatively size, light, in particular non-changing and / or edges or Containers having cross sections of the fuel supply provided so that clogging of these is largely prevented. In contrast, the selection of the excipient in an advantageous manner done so that this even at very small, clear, itself changing Cross sections do not lead to constipation.

Preferably is the control element in the flow direction of the excipient disposed in front of the mixing chamber. With this measure will the mixing or the pressure conditions in the mixing chamber advantageously changeable, what a change lead the amount of fuel can.

In a particular embodiment of the invention is in the flow direction the fuel behind the mixing chamber at least one supply unit to the additional Respectively provided the auxiliary to the fuel mixture. With help this measure can in particular an advantageous pressure difference between the mixing chamber and the delivery point of the additional supplied Auxiliary substances are influenced, which in turn leads to a change the amount of fuel per unit time can lead.

Possibly Different excipients are used. A first excipient for mixing or distributing the fuel and a second Adjuvant for change the pressure difference. Advantageously, a single excipient both for the distribution of the fuel and for the change the pressure difference according to the invention uses.

Preferably the supply unit comprises at least the control element, so that the supply unit at the same time to influence the amount of fuel can be used. possibly becomes a control element in front of the mixing chamber and a second control element provided the supply unit, so that a particularly accurate adjustment the amount of fuel in particular per unit time can be realized.

advantageously, is in the bakery and / or Garbereich a catcher for catching the fuel and / or at least one by - product of the Baking or cooking process arranged. Often, the back- or cooking process by-products such as e.g. Gravy, etc. produced, possibly together with a part of the introduced into the baking or Garbereich Drain fuel from the food or pass it.

Preferably is a between the collecting device and the outlet opening Recirculation device for circulation at least the fuel and / or by-product of the bakery or Garprozesses arranged. With this measure, the used Fuel quantity advantageously reduced as well as an improvement the taste or the quality of the food to be treated. This circulation can for example, the otherwise usual, of Hand carried Wetting or spreading of the food, in particular roast correspond. this leads to to an increase the degree of automation and thus to increase the comfort for the user.

In an advantageous variant of the invention, the auxiliary substance is provided for cleaning at least the mixing chamber and / or the transport device. With the help of this measure, a particularly simple cleaning of the corresponding components can be realized. For example, after a baking or cooking process, these components can be cleaned. On the other hand, according to the invention, a cleaning phase with the auxiliary Substance between two phases with different supplies are provided so that contamination of the second fuel by residues of the first fuel are effectively prevented.

Preferably is used as an excipient, a food-safe fluid. For example the fluid can be used as a liquid, Gas or aerosol are formed. May be used as an adjuvant Water vapor, oxygen, nitrogen, edible oil or the like used. Preferably, the pressurized excipient comprises at least Compressed air. Compressed air is already present in many places and works Do not negatively affect the food, so just compressed air as particularly advantageous in the device according to the invention can be used.

Basically the fuel comprises any flowable material. For example the fuel can be both a fluid, in particular a liquid like water, brine or lake or oil, as well as a powder, granules, flour or the like or mixtures of these include. in principle is the fuel for positively influencing the food with regard to both taste and moisture, the formation of an occupancy or crust, etc. is related. In general, the fuel contains, among other things, flavor or spice.

When liquid Fuel is preferably edible oil, water or equivalent Emulsions used. Optionally, the fuel at least two phases, in particular a solid and a liquid phase provided is. For example, as a fuel oil with a fixed Seasoning ingredients or the like is used.

Basically with the help of the present invention, the merging of Fuel with the excipient including an optional storage of substances in the area of relatively low levels Temperatures are provided, e.g. at about room temperature. Only the transport device according to the invention is normally in the hot Gar- or baking area protrude partially, so that in particular this realized with comparatively expensive, temperature-resistant materials becomes. Here, the transport device at the same time the function a spacer for individual, temperature-sensitive components of the device according to the invention meet.

possibly are above storage tanks, which are optionally pressurized, temperature sensitive. Just these can from the comparatively hot Cook or baking area to be arranged slightly away, so that There is no risk of bursting of corresponding pressure vessel.

advantageously, the collecting device has a suction unit and / or at least a coarse filter like a sieve, etc. on. With the suction unit can a controlled flow and thus steering of the fuel mixture in the baking or Garbereich allows become. The filter preferably ensures a restraint of dirt particles, which is precisely the case when the corresponding substances are returned is advantageous for the dosing unit.

In a particular embodiment The invention, the fuel by means of the excipient with Pressure are applied. Optionally, a storage unit of the fuel to be supplied with the excipient. For example a gaseous one Excipient in the area of the fuel in the storage unit introduced, so that a turbulence of the fuel can be realized is. This is especially true for multi-phase supplies of Advantage, so that any existing uneven distribution the solid phase in the liquid phase is eliminated.

embodiment

One embodiment The invention is illustrated in the drawing and is based on the single figure below closer erläutet.

1 shows the schematic structure of a dosing unit according to the invention for a baking or cooking device.

In 1 schematically a dosing unit according to the invention for an oven or the like is shown. This includes a mixing chamber 1 into which a spice mixture 2 via a supply line 3 is supplied. Without further explanation, the line 3 in the mixing chamber 1 outstanding end 4 a constriction on, allowing the into the mixing chamber 1 inflowing spice mixture 2 an additional acceleration experiences. The narrowing 4 However, it has a comparatively large clear diameter so that particles or spices / solids of the spice mixture 2 not settle or the end 4 can clog. That is, the opening of the constriction 4 is significantly larger than the particles flowing through them. The spice mixture 2 For example, as a liquid phase may have a cooking oil and as a solid phase corresponding spice particles.

Furthermore, the mixing chamber 1 compressed air 5 fed. According to 1 the supply of compressed air takes place 5 by means of a line 6 , which is almost at right angles to the pipe 3 is aligned. This results in an advantageous distribution or atomization of the spice mixture 2 in the mixing chamber 1 realized.

The one in the mixing chamber 1 produced mist-like stream flows out of the mixing chamber 1 through a transport line 7 to outlet openings 8th , in the cooking or baking area 15 the oven or the like are arranged.

The administration 7 includes a job 9 , at which a distribution of the mist-like material flow in two distributor arms 10 he follows. If necessary, an arm 10 as a lance or injection needle 10 be trained so that it can be introduced into the food to be treated and thus the spice mixture 2 is distributed within the food.

The compressed air 5 is decoupled for example from a pressure accumulator, not shown, wherein a pressure reducer 11 ensures an adjustment of the operating pressure. According to the in 1 variant shown, the compressed air 5 additionally in one place 12 the line 7 fed.

In the flow direction in front of the mixing chamber 1 is a needle valve 13 as well as in front of the job 12 a second needle valve 14 intended. With the help of these two valves 13 . 14 In particular, the pressure difference between the mixing chamber 1 and the place 12 can be advantageously set or varied, so that an indirect control of the spice mixture flow rate from the openings 8th exit, can be realized.

Furthermore, in particular by the particular acute-angled arranged supply of compressed air 5 at the point 12 an advantageous influence on the transport of the mist-like fuel mixture in the line 7 will be realized. This allows the line 7 be formed for example one to two meters long.

In 1 is still a baking area 15 shown as dashed area shown. This area 15 symbolizes the comparatively hot baking area, which can be heated up to 250 ° C. In 1 Thus, it becomes clear that only comparatively simple components, such as the line 7 , need to be formed heat resistant. For example, the line 7 made of stainless steel or the like. At the same time it becomes clear that the valves 13 . 14 , the mixing chamber 1 as well as the lines 3 . 6 as well as other components of compressed air supply 11 and storage tanks 16 in the range of comparatively low temperatures, for example at room temperature, can be arranged. Accordingly, commercially available parts can be used for these components, which allows a particularly economically favorable realization of the invention.

Generally, the transport line 7 or the components in the flow direction behind the mixing chamber 1 designed such that almost no dead space is formed, which advantageously simplifies cleaning this. This may mean, for example, that this is behind the mixing chamber 1 arranged pipe system 7 almost over the entire transport path has a substantially the same and / or (gradually) slightly tapered cross-section. The outlet openings 8th are as large as possible to realize, for example, as simple holes with several millimeters in diameter, for example 2 to 10 mm in diameter.

Without further illustration, a closure element such as a flap, slide or a check valve, etc. on the line 3 be arranged so that, for example, for cleaning purposes, supplying the spice mixture 2 to the mixing chamber 1 is prevented and by means of compressed air 5 the dosing system is freed of deposits or cleaned.

1

mixing chamber

2

spices

3

management

4

The End

5

compressed air

6

management

7

management

8th

opening

9

Job

10

poor

11

pressure reducer

12

Job

13

Valve

14

Valve

15

Back area

16

Storage

Claims (16)

Baking and / or cooking device for baking and / or cooking food, wherein a dosing unit for dosing at least one operating material ( 2 ) is at least partially provided on and / or in the food, characterized in that at least one pressurized excipient ( 5 ) for distributing the operating material ( 2 ) is provided. Apparatus according to claim 1, characterized in that a mixing chamber ( 1 ) to Ver mixing the fuel ( 2 ) with the excipient ( 5 ) is provided. Device according to one of the preceding claims, characterized in that in the flow direction of the fuel ( 2 ) behind the mixing chamber ( 1 ) at least one outlet opening ( 8th ) for supplying the fuel mixture to the baking and / or cooking goods having transport device ( 7 ) for transporting the fuel mixture into a baking and / or cooking area ( 15 ) is arranged. Device according to one of the preceding claims, characterized in that the transport device ( 7 ) a distribution unit ( 9 . 10 ) with several outlet openings ( 8th ) for distributing the operating material ( 2 ) for baking and / or cooking. Device according to one of the preceding claims, characterized in that the distributor unit ( 9 . 10 ) is adjustable. Device according to one of the preceding claims, characterized in that a at least one control element ( 13 . 14 ) comprehensive control unit for controlling the amount of fuel is provided. Device according to one of the preceding claims, characterized in that the control element ( 13 . 14 ) is provided for dosing the amount of excipient. Device according to one of the preceding claims, characterized in that the control element ( 13 ) in the flow direction of the excipient in front of the mixing chamber ( 1 ) is arranged. Device according to one of the preceding claims, characterized in that in the flow direction of the fuel ( 2 ) behind the mixing chamber ( 1 ) at least one supply unit ( 12 ) for additionally supplying the excipient ( 5 ) is provided for the fuel mixture. Device according to one of the preceding claims, characterized in that the supply unit ( 12 ) at least the control element ( 14 ). Device according to one of the preceding claims, characterized in that in the baking and / or cooking area ( 15 ) a collecting device for collecting the fuel ( 2 ) and / or at least one by-product of the baking or cooking process is arranged. Device according to one of the preceding claims, characterized in that between the collecting device and the outlet opening ( 8th ) a return device for recycling at least the operating material ( 2 ) and / or by-product of the baking or cooking process is arranged. Device according to one of the preceding claims, characterized in that the excipient ( 5 ) for cleaning at least the mixing chamber ( 1 ) and / or the transport device ( 7 ) is provided. Device according to one of the preceding claims, characterized in that the pressurized excipient ( 5 ) at least compressed air ( 5 ). Device according to one of the preceding claims, characterized in that the fuel ( 2 ) has at least two phases. Device according to one of the preceding claims, characterized in that the fuel ( 2 ) has at least one solid and one liquid phase.