EP0392523B1 - Gas burner for food cooking. - Google Patents
Gas burner for food cooking. Download PDFInfo
- Publication number
- EP0392523B1 EP0392523B1 EP90106985A EP90106985A EP0392523B1 EP 0392523 B1 EP0392523 B1 EP 0392523B1 EP 90106985 A EP90106985 A EP 90106985A EP 90106985 A EP90106985 A EP 90106985A EP 0392523 B1 EP0392523 B1 EP 0392523B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- fact
- air
- burner
- sump
- 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
- 238000010411 cooking Methods 0.000 title claims description 13
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 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
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
Definitions
- the present invention relates to a gas burner for food cooking, comprising a sensor of the temperature reached by food contained in heated containers.
- a burner of the type indicated is known for example by FR-A-1.561.594 or by the Italian patent for industrial invention nr. 1.159.956.
- Such patent describes a gas burner for the cooking of food contained in. containers, to which there is associated an automatic control system of the temperature reached by the food, by means of a temperature sensor that is kept in contact with the bottom of the heated container.
- Gas burners wherein the primary air for the air-gas mixture is taken from above the cooking plane are also known (see for example DE-A-1.808.475), but their embodiments do not allow for the arrangement of a temperature sensor in a satisfactory position.
- the invention is based on the recognition of the fact that it is harmful to take the air from a zone where the temperature can be altered due to the presence of an underlying oven, or other heat sources eventually connected with the automatic control system; and that an other troubling, element is represented by taking the air from a zone in which turbolence is present, both for thermic convection effect, both in case that the system needs a forced ventilation to assure that electronic components do not reach dangerous temperatures.
- Purpose of the present invention is thus that to obviate to the indicated disadvantages of the known systems, teaching as it is possible to obtain a burner of the described type that even inspite of its simplicity assures mixing costancy of air and gas and thus a perfect combustion.
- the present invention has for object a gas burner for food cooking, fixed to a cooking plane, comprising a sensor of the temperature reached by food contained in heated containers, said sensor being arranged in a vertical passage obtained in the burner's body, whereby the burner in use shows a vertical axis of symmetry, characterised by the fact that it comprises an air-gas mixing component arranged inside the burner's body in a vertical position proximate to said vertical passage for said sensor, said vertical passage and said air-gas mixing component being substantially centered in respect of the vertical axis of symmetry of the burner's body, and by the fact that the primary air for the air-gas mixture is taken from above the cooking plane.
- reference number 1 indicates the first element of the burner, or flame-separator element
- reference number 2 indicates the second element of the device, or actual burner
- reference number 3 indicates the third element of the burner, or air-gas mixing sump
- reference number 4 indicates the temperature sensor
- reference number 5 indicates the gas entry
- reference number 11 indicates the injector that feeds the gas to the mixing sump, or air-mixing sump
- reference number 6 indicates the entry slot for the mixing primary air
- reference number 7 indicates one of the holes used to fix the burner to the cooking plane.
- the entry slot 6 for the air is a circular one; the air entering by it is mixed in the sump 3 with the gas entering by the entry 5; the mixture rises until the flame-separator 1; the flames exit through the holes 8.
- the cooking container is supported in a known way by a support grill, not represented in the figures and which is arranged around the burner.
- the senor 4 is disposed in a vertical passage, passing through the elements 1, 2 and 3 of the burner, and is secured inferiorly to the sump 3 by means of special screw, whose seat is shown in the figure.
- the sensor 4 is partially shielded from the heat radiated by the flames owerflowing through the holes 8 by means of the shield realized by the hollow cylindrical particular 12, while it is shielded from the conduction heat of the burner by means of the air flow which crosses the chimney 13.
- Figure 2 shows in section and in view the flame-separator element 1 of the burner according to the invention; the reference number 9 indicates eight equidistant centring-teeth, arranged on a circumference.
- FIG. 3 shows in section the actual burner 2 of the device according to the invention.
- figure 4 which shows in section the sump 3 of the burner according to the invention, it is shown, indicated with reference number 10, a centring tooth, which ingages in a special recess obtained in the burner element 2, as shown in figure 1; the tooth 10 is in effect a prolongation of the wall of the vertical passage for the sensor 4.
- the tooth 10 assures therefore the centring of the gas jet that exits through the gas injector 11 in respect of the Venturi tube indicated in figure 1 with reference number 14.
- FIG 5 there is shown the temperature sensor 4 of the burner according to the invention.
- the sensor 4 superiorly includes a spring-cap, so that it is pressed against the cooking container, and internally, also superiorly, the element sensitive to the temperature, which is a resistor with negative temperature coefficient (NTC); such resistor is inserted in a suitable control electronic circuit, of known type, to mantain the container at a constant temperature.
- NTC negative temperature coefficient
- the mechanic support having the purpose to house the element sensitive to the temperature (NTC) is secured to the third element of the burner 3 by means of a threaded hole 15 and a screw not shown in the figure.
- protruding point-shaped elements such as pyramidal protrusions, are provided to minimize the zone of contact.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Control Of Combustion (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6727989 | 1989-04-14 | ||
IT8967279A IT1233204B (it) | 1989-04-14 | 1989-04-14 | Perfezionamenti a un bruciatore di gas per cottura di alimenti |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0392523A1 EP0392523A1 (en) | 1990-10-17 |
EP0392523B1 true EP0392523B1 (en) | 1993-03-17 |
Family
ID=11301095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90106985A Expired - Lifetime EP0392523B1 (en) | 1989-04-14 | 1990-04-11 | Gas burner for food cooking. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0392523B1 (it) |
DE (1) | DE69001086T2 (it) |
ES (1) | ES2039984T3 (it) |
IT (1) | IT1233204B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU632217B2 (en) * | 1990-02-23 | 1992-12-17 | Brivis Australia Pty Ltd | A burner assembly |
US6589046B2 (en) * | 2001-08-21 | 2003-07-08 | Uwe Harneit | Gas burner for outdoor cooking |
CN101382301B (zh) * | 2007-09-05 | 2011-10-26 | 海尔集团公司 | 防干烧双环燃烧系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB969096A (en) * | 1962-07-10 | 1964-09-09 | British Thermostat Co Ltd | Improvements in thermostatic controls for surface heaters |
FR1561594A (it) * | 1967-06-15 | 1969-03-28 | ||
CH499751A (de) * | 1967-11-27 | 1970-11-30 | Menalux S A | Verfahren zum Verhindern des Erlöschens der Aussenbrenner eines Einbaugasherdes und Einrichtung zur Durchführung des Verfahrens |
GB1347249A (en) * | 1970-07-31 | 1974-02-27 | Parkinson Cowan Appliances Ltd | Gas burner |
FR2507743B1 (fr) * | 1981-06-15 | 1986-05-30 | Sabaf Spa | Bruleur pour rechauds et plans de cuisson a gaz en general |
IT8406969V0 (it) * | 1984-04-16 | 1984-04-16 | Sabaf Spa | Bruciatore a gas per fornelli e piani di cottura in genere. |
-
1989
- 1989-04-14 IT IT8967279A patent/IT1233204B/it active
-
1990
- 1990-04-11 DE DE9090106985T patent/DE69001086T2/de not_active Expired - Fee Related
- 1990-04-11 EP EP90106985A patent/EP0392523B1/en not_active Expired - Lifetime
- 1990-04-11 ES ES199090106985T patent/ES2039984T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69001086D1 (de) | 1993-04-22 |
EP0392523A1 (en) | 1990-10-17 |
ES2039984T3 (es) | 1993-10-01 |
IT1233204B (it) | 1992-03-20 |
IT8967279A0 (it) | 1989-04-14 |
DE69001086T2 (de) | 1993-08-26 |
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