EP1473521B1 - Cooking oven with spraying nozzles for cleaning of the oven cavity - Google Patents
Cooking oven with spraying nozzles for cleaning of the oven cavity Download PDFInfo
- Publication number
- EP1473521B1 EP1473521B1 EP04008540A EP04008540A EP1473521B1 EP 1473521 B1 EP1473521 B1 EP 1473521B1 EP 04008540 A EP04008540 A EP 04008540A EP 04008540 A EP04008540 A EP 04008540A EP 1473521 B1 EP1473521 B1 EP 1473521B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inlet duct
- spraying
- water
- oven
- water supply
- 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.)
- Expired - Lifetime
Links
- 238000005507 spraying Methods 0.000 title claims description 9
- 238000004140 cleaning Methods 0.000 title claims description 3
- 238000010411 cooking Methods 0.000 title description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000000725 suspension Substances 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
- F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
- F24C14/005—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning using a cleaning liquid
Definitions
- the invention relates to a device for heat treatment of food with a cooking chamber, which is formed in a closable by a door housing, and a spraying or spraying device for spraying and cleaning the cooking chamber, wherein the spraying or spraying a spray head and a flexible Supply line includes, which is connected to a water connection of the housing.
- a device of this kind is from the DE-37 22 282 C2 known.
- this known device there is the disadvantage that the water connection of the housing is located just below the housing bottom, so that the spray head due to the relatively long supply line on the floor or the footprint of the device or in adjacent, dirty water containing or leading areas are stored can.
- the negative pressure created in the drinking water pipeline could thus suck dirty water into the drinking water network.
- it is prescribed by the technical standards to protect such hand shower connections either with elaborate safety devices against backflow or to avoid this situation by other constructive measures in principle. Both measures require a relatively high cost.
- the object of the invention is to provide a particularly simple embodiment for securing against backflow of dirty water into the drinking water network.
- the water connection for the flexible supply line is disposed in the vicinity of the upper edge of the housing and the supply line has a length which is shorter than the distance of the water connection to ground near wastewater areas.
- This can be in the area of the footprint of the device or the floor, in the environment of which drainage-water-containing or containing areas or containers may be located.
- a simple measure namely the raising of the water connection, that even a hanging spray head can not immerse in a located in the vicinity of the device dirty water area, so that the risk of sucking back of dirty water is eliminated in the drinking water network.
- a safety device against backflow is used between water connection and supply line.
- the backup device against backflow can be a pipe aerator, which represents a simple and therefore inexpensive ventilation fitting.
- a return system in the manner of a gallows shower can be provided in a further embodiment of the invention for the supply line.
- a further advantageous embodiment of the invention provides that a suspension device for the spray head is arranged below the securing device against backflow. Due to the lower suspension device for the spray head is achieved that in the leaky security device against backflow, the water in the supply line escapes to the outside.
- a cooking appliance designated 1 on a water connection 2 which is located in the lower part of the cooking appliance. From this water connection goes from a flexible supply line 3, which leads to a spray head 4, which is suspended in a suspension device 5 at the upper part of the cooking appliance. If here the spray head 4 is not hooked into the holder 5, but is loosely stored, he can get into nearby dirty water areas, which in case of breakage of a drinking water line dirty water can get into this line or a complex safety device must be used to prevent it.
- the same reference numerals have been used for identical parts.
- the embodiment according to the invention consists in the fact that the water connection 2 is arranged in the uppermost region of the cooking appliance and the feed line 3 has such a length that even with a dependent spray head it can not reach waste water areas near the ground.
- the suspension device 5 is provided in the vicinity of the water connection 2, while in the embodiment according to FIG. 3 the suspension device for the spray head is provided at the lower end of the cooking appliance, so that the supply line is oriented in an extended downward direction.
- a schematically indicated securing device against backflow 6 between the water connection 2 and feed line 3 above the suspension device 5 of the spray head 4 is provided.
- This is the relatively cheap embodiment of a pipe aerator in order to additionally increase the safety against backflow required by the technical standards.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Vorrichtung zur Wärmebehandlung von Nahrungsmitteln mit einem Garraum, der in einem mittels einer Tür verschließbaren Gehäuse ausgebildet ist, sowie einer Spritz- oder Sprühvorrichtung zum Aussprühen und Reinigen des Garraumes, wobei die Spritz- oder Sprühvorrichtung einen Sprühkopf und eine flexible Zuführungsleitung umfasst, die an einen Wasseranschluss des Gehäuses angeschlossen ist.The invention relates to a device for heat treatment of food with a cooking chamber, which is formed in a closable by a door housing, and a spraying or spraying device for spraying and cleaning the cooking chamber, wherein the spraying or spraying a spray head and a flexible Supply line includes, which is connected to a water connection of the housing.
Eine Vorrichtung dieser Art ist aus der
In der
Aufgabe der Erfindung ist es, eine besonders einfache Ausgestaltung für die Sicherung gegen ein Rückfließen von Schmutzwasser in das Trinkwassernetz zu schaffen.The object of the invention is to provide a particularly simple embodiment for securing against backflow of dirty water into the drinking water network.
Diese Aufgabe wird ausgehend von einer Vorrichtung der eingangs erläuterten Art erfindungsgemäß dadurch gelöst, dass der Wasseranschluss für die flexible Zuführungsleitung in der Nähe der Oberkante des Gehäuses angeordnet ist und die Zuführungsleitung eine Länge aufweist, die kürzer als der Abstand des Wasseranschlusses zu bodennahen Schmutzwasserbereichen ist. Dies kann im Bereich der Aufstellfläche des Gerätes bzw. des Bodens sein, in dessen Umfeld sich schmutzwasserführende oder enthaltenden Bereiche oder Behälter befinden können. Hier wird durch eine einfache Maßnahme, nämlich das Höherlegen des Wasseranschlusses erreicht, dass auch ein herabhängender Sprühkopf nicht in einen im Umfeld des Gerätes befindlichen Schmutzwasserbereich eintauchen kann, so dass die Gefahr eines Rücksaugens von Schmutzwasser in das Trinkwassernetz beseitigt ist.This object is achieved on the basis of a device of the type described above according to the invention that the water connection for the flexible supply line is disposed in the vicinity of the upper edge of the housing and the supply line has a length which is shorter than the distance of the water connection to ground near wastewater areas. This can be in the area of the footprint of the device or the floor, in the environment of which drainage-water-containing or containing areas or containers may be located. Here is achieved by a simple measure, namely the raising of the water connection, that even a hanging spray head can not immerse in a located in the vicinity of the device dirty water area, so that the risk of sucking back of dirty water is eliminated in the drinking water network.
Gemäß einer Weiterbildung der Erfindung ist vorgesehen, dass zwischen Wasseranschluss und Zuführungsleitung eine Sicherungseinrichtung gegen Rückfließen eingesetzt ist. In weiterer vorteilhafter Ausgestaltung kann die Sicherungseinrichtung gegen Rückfließen ein Rohrbelüfter sein, der eine einfache und daher preiswerte Belüftungsarmatur darstellt.According to one embodiment of the invention, it is provided that a safety device against backflow is used between water connection and supply line. In a further advantageous embodiment, the backup device against backflow can be a pipe aerator, which represents a simple and therefore inexpensive ventilation fitting.
Um das Eintauchen des Sprühkopfes in einen Schmutzwasserbereich wirkungsvoll zu verhindern, kann in weiterer Ausgestaltung der Erfindung für die Zuführungsleitung ein Rückholsystem nach Art einer Galgenbrause vorgesehen sein.In order to effectively prevent the immersion of the spray head in a dirty water area, a return system in the manner of a gallows shower can be provided in a further embodiment of the invention for the supply line.
Eine weitere vorteilhafte Ausgestaltung der Erfindung sieht vor, dass eine Aufhängevorrichtung für den Sprühkopf unterhalb der Sicherungseinrichtung gegen Rückfließen angeordnet ist. Durch die tiefergelegene Aufhängevorrichtung für den Sprühkopf wird erreicht, dass bei der undichten Sicherungseinrichtung gegen Rückfließen das in der Zuführungsleitung befindliche Wasser nach außen austritt.A further advantageous embodiment of the invention provides that a suspension device for the spray head is arranged below the securing device against backflow. Due to the lower suspension device for the spray head is achieved that in the leaky security device against backflow, the water in the supply line escapes to the outside.
Die Erfindung ist nachfolgend anhand von Ausführungsbeispielen näher erläutert. In der Zeichnung zeigen:
- Fig. 1
- eine Vorrichtung nach dem Stande der Technik;
- Fig. 2
- eine erste Ausführungsform der erfindungsgemäßen Vorrichtung; und
- Fig. 3
- eine zweite Ausführungsform einer solchen Vorrichtung.
- Fig. 1
- a device according to the prior art;
- Fig. 2
- a first embodiment of the device according to the invention; and
- Fig. 3
- a second embodiment of such a device.
Bei der bekannten Vorrichtung gemäß
Bei den Ausführungsbeispielen nach den
Bei der Ausführungsform nach
Bei beiden Ausführungsformen ist eine schematisch angedeutete Sicherungseinrichtung gegen Rückfließen 6 zwischen Wasseranschluss 2 und Zuführungsleitung 3 oberhalb der Aufhängevorrichtung 5 des Sprühkopfes 4 vorgesehen. Es handelt sich hier um die verhältnismäßig billige Ausführungsform eines Rohrbelüfters, um die seitens der technischen Normen geforderte Sicherheit gegen Rückfließen zusätzlich zu erhöhen.In both embodiments, a schematically indicated securing device against
Claims (5)
- Device for heat treatment of food with an oven cavity which is formed in a casing which can be closed by means of a door, and with a spraying or sprinkling device for spraying into and cleaning the oven cavity, the spraying or sprinkling device including a spray nozzle (4) and a flexible inlet duct (3) which is connected to a water supply (2) of the casing, characterized in that the water supply (2) for the flexible inlet duct (3) is disposed near the top edge of the casing (1), and the inlet duct (3) has a length which is shorter than the distance between the water supply (2) and ground level waste water areas.
- Device according to claim 1, characterized in that a safety device (6) for preventing backflow is inserted between the water supply (2) and the inlet duct (3).
- Device according to claim 2, characterized in that the safety device (6) for preventing backflow is a pipe aerator.
- Device according to one of the claims 1 to 3, characterized in that a pre-wash unit type return system is provided for the inlet duct (3).
- Device according to one of the claims 2 or 3, characterized in that a suspension arrangement (5) is disposed under the safety device (6) for preventing backflow.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10319587 | 2003-04-30 | ||
DE10319587A DE10319587B3 (en) | 2003-04-30 | 2003-04-30 | Heat treatment device for foodstuffs has water connection for flexible supply line in top region of housing, this line being shorter than distance from connection to floor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1473521A1 EP1473521A1 (en) | 2004-11-03 |
EP1473521B1 true EP1473521B1 (en) | 2011-06-15 |
Family
ID=32186011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04008540A Expired - Lifetime EP1473521B1 (en) | 2003-04-30 | 2004-04-08 | Cooking oven with spraying nozzles for cleaning of the oven cavity |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1473521B1 (en) |
JP (1) | JP3927195B2 (en) |
AT (1) | ATE513167T1 (en) |
DE (1) | DE10319587B3 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008003562A1 (en) | 2008-01-09 | 2009-07-16 | Convotherm Elektrogeräte GmbH | Cooking item carrier for multiple skewers tipped with finger food, has carrier plate and supports, made of carrier plates, provided for skewers and finger food, where two support strips are arranged in pair wise |
US9677769B2 (en) | 2012-02-02 | 2017-06-13 | Convotherm Elektrogeraete Gmbh | Flexible sequence control and method for automated cleaning system of a cooking device |
DE102016206483A1 (en) | 2016-04-18 | 2017-10-19 | Convotherm Elektrogeräte GmbH | A method of determining a cleaning need and quality management monitoring system of a commercial cooking appliance, and a commercial cooking appliance |
DE102016108724A1 (en) * | 2016-05-11 | 2017-11-16 | Rational Aktiengesellschaft | Cooking appliance and method for controlling a cooking appliance |
DE102022114269A1 (en) | 2022-06-07 | 2023-12-07 | Rational Aktiengesellschaft | Cooking device with a self-cleaning system and a method for changing cleaning parameters for the cooking device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3722282A1 (en) * | 1986-11-24 | 1988-06-01 | Convotherm Elektrogeraete | DEVICE FOR HEAT TREATMENT OF FOOD |
DE8902508U1 (en) * | 1989-03-02 | 1989-05-18 | Lechmetall Landsberg GmbH, 8910 Landsberg | Device for cleaning the cooking chamber of a cooking appliance |
DE9203722U1 (en) * | 1992-03-19 | 1992-06-04 | Fuhst, Wolfgang, 7730 Villingen-Schwenningen | Deck oven with oil, gas or electric heating |
-
2003
- 2003-04-30 DE DE10319587A patent/DE10319587B3/en not_active Expired - Fee Related
-
2004
- 2004-04-08 EP EP04008540A patent/EP1473521B1/en not_active Expired - Lifetime
- 2004-04-08 AT AT04008540T patent/ATE513167T1/en active
- 2004-04-21 JP JP2004125679A patent/JP3927195B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE10319587B3 (en) | 2004-05-27 |
ATE513167T1 (en) | 2011-07-15 |
JP3927195B2 (en) | 2007-06-06 |
EP1473521A1 (en) | 2004-11-03 |
JP2004333118A (en) | 2004-11-25 |
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