EP3502567A1 - Appareil de cuisson - Google Patents

Appareil de cuisson Download PDF

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Publication number
EP3502567A1
EP3502567A1 EP17209528.3A EP17209528A EP3502567A1 EP 3502567 A1 EP3502567 A1 EP 3502567A1 EP 17209528 A EP17209528 A EP 17209528A EP 3502567 A1 EP3502567 A1 EP 3502567A1
Authority
EP
European Patent Office
Prior art keywords
gas
gas supply
coil
supply line
control unit
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.)
Withdrawn
Application number
EP17209528.3A
Other languages
German (de)
English (en)
Inventor
Erol Özen
Ömür ÖCAL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vestel Elektronik Sanayi ve Ticaret AS
Original Assignee
Vestel Elektronik Sanayi ve Ticaret AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vestel Elektronik Sanayi ve Ticaret AS filed Critical Vestel Elektronik Sanayi ve Ticaret AS
Priority to EP17209528.3A priority Critical patent/EP3502567A1/fr
Priority to TR2017/22831A priority patent/TR201722831A2/tr
Publication of EP3502567A1 publication Critical patent/EP3502567A1/fr
Withdrawn legal-status Critical Current

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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
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • the present invention relates to an energy efficient cooker with a control unit for controlling an operation of the cooker.
  • the invention also relates to a method for inducing an electric current in such a cooker.
  • One aspect relates to a cooker with an integrated energy recovery system for powering the electronic control unit such that energy consumption, electromagnetic interference problems, and heat dissipation of the cooker are reduced and, at best, prevented.
  • a general idea of the invention relates to using gas pressure which is used for heating a hob, or an oven cavity, of a cooker also for energizing a control unit and connected control circuitry being provided for controlling operation of the cooker.
  • a general idea further relates to using the energy of the gas pressure in order to cause an induction assembly to induce an electric current which may then be supplied to/used to power electric components, such as a control unit and circuitry, such that the control unit and the circuitry do not require additional external power supply. Therefore, energy consumption of the cooker may be reduced and electromagnetic interference, which may be caused by additional circuitry that supplies the control unit with additional external power, may be reduced.
  • the realization of the induction assembly is subject to example embodiments of the cooker according to the invention and will be explained herein below.
  • a cooker, oven, stove for example gas stove, or cooking range
  • the control unit may process user inputs, such as heating of a specific hob of the oven or changing display information to be output on an oven display.
  • the hob may be heated by an igniter being energized in response to gas pressure.
  • the cooker may comprise an oven cavity which may be heated, wherein the oven cavity defines an inner volume where food to be heated may be placed.
  • a gas supply line may supply the igniter with gas pressure for heating the hob.
  • a gas supply valve is connected to the gas supply line and may be set in an open state where gas is allowed to pass the gas supply valve in the direction of the igniter and a closed state where gas is prohibited from passing the gas supply valve in the direction of the igniter. For example, opening and/or closing of the gas supply valve is performed by the control unit.
  • the oven may for example include or be connected to a human machine interface.
  • the control unit, and also its circuitry needs to be powered. Instead of requiring supply of additional external electric current from an external source, the control unit may be powered by an integrated energy recovery system using the gas pressure on a gas supply line. The gas pressure may be responsible for heating the hob. Therefore, an induction assembly may be arranged between the gas supply valve and the igniter. The induction assembly may be inductively connected to the gas supply line so as to, in the open state of the gas supply valve, induce an electric current and feed the electric current to the control unit. In this way, the control unit may be charged and/or supplied with electrical current without the need of an additional external power supply source. Thus, energy consumption and related costs may be reduced. Also, as no additional circuitry needs to connect the control unit with an external power supply source, electromagnetic interference problems can be avoided.
  • the induction assembly may comprise a spring assembly.
  • the spring assembly may, in the open state of the gas supply valve, periodically vary a gas amount, i.e. a gas pressure amount, supplied in the direction of the igniter between a minimum and a maximum.
  • the spring assembly may transform a constant gas flow, i.e. a gas flow having a constant gas pressure value, into an alternating, for example sinusoidally alternating, gas flow, i.e. a gas flow having an alternating gas pressure value.
  • a power generator may, in response to a change of the gas amount, respectively the gas pressure amount, induce an electric current. As explained above, the induced electric current is then supplied to the control unit.
  • the spring assembly may comprise a spring.
  • the spring may be a spiral torsion spring, hairspring, balance spring or the like.
  • the spring may have a first end connected to an output of the gas supply valve.
  • the spring assembly may also have a control means connected to a second end of the spring.
  • the control means may be a valve, flap, or similar opening/closing armature.
  • the control means may be set, in response to an essentially elastic deformation of the spring, in an active state where the gas amount reaches the maximum and a passive state where the gas amount reaches the minimum. The switching between its active and its passive state may be performed periodically.
  • Essentially elastic is to be understood in that a plastic deformation of the spring to a certain degree may also occur. The degree of plastic deformation may be held at a low level in order to increase life time of the spring.
  • the spring in response to opening the gas supply valve, the spring is configured to periodically switch the control means between its passive state and its active state in order to periodically vary the gas amount between the minimum and the maximum.
  • the induced current may be AC current which periodically reverses direction, respectively absolute value or modulus.
  • the power generator may comprise a flexible or elastic gas supply line section.
  • a flexible balloon or flexible bellows may be used.
  • Flexible respectively elastic is to be understood in that the gas supply line section may elastically expand and/or compress, for example in a length and/or a radial direction of the gas supply line section.
  • the flexible gas supply line section may be connected to an output of the control means such that, in response to the control means switching between its active and its passive state, the flexible gas supply line section periodically expands and/or compresses.
  • a magnet assembly may apply a magnetic flux onto the flexible gas supply line section.
  • the magnet assembly may comprise two permanent magnets arranged parallel with respect to each other.
  • a magnetic flux shall be applied onto the flexible gas line section.
  • a flexible or elastic coil may be wound around the flexible gas supply line section. At least one winding may be provided. It is clear that an increasing number of windings increases the amount of generated magnetic flux.
  • the flexible coil may at least cover a part of the flexible gas line section. It is also possible that the flexible coil covers the entire outer surface of the flexible gas line section. Further, the flexible coil may, in response to the expansion and/or compression of the flexible gas supply line section, expand and/or compress in order to induce an electric current. The induced electric current may then be tapped between a first coil end and a second coil end. The first and the second coil end being distal from the flexible gas line section.
  • the entire flexible gas line section is covered by the flexible coil so as to increase respectively maximize the induced current.
  • the first and the second end of the coil may be brought and attached to a circuit so as to supply the control unit with energy.
  • the windings may have additional electrical connections, such as taps, along their length. Also, a single tap winding in the center of its length, which is called center-tapped, may be used.
  • the flexible gas supply line section is a balloon.
  • the balloon may essentially uniformly expand and/or compress in its radial direction so as to increase and/or decrease an inner balloon volume.
  • the inner balloon volume has an initial value being indicative of a non-expanded state.
  • the active control means state i.e. when the gas pressure amount reaches a maximum, the inner balloon volume increases to an expanded state value.
  • the coil essentially evenly expands and/or compresses in a longitudinal direction of the coil so as to increase and/or decrease a coil length.
  • the passive control means state namely when the gas pressure amount reaches a minimum
  • the coil length has an initial value being indicative of a non-expanded state.
  • the active control means state namely when the gas pressure amount reaches a maximum
  • the coil length increases respectively lengthens to an expanded state value.
  • the coil may be attached to an outer surface of the balloon. Therefore, an increase and/or decrease of the inner balloon volume causes an increase and/or decrease of the coil length.
  • the induced electric current and the induced electric voltage are linear dependent on the ratio of increase and/or decrease of the inner balloon volume, respectively coil length.
  • ⁇ (l) corresponds to a change of a coil length and A(b) corresponds to a change of a coil width, and/or balloon length respectively balloon width.
  • the resistance R may correspond to an electrical resistance of the coil and may for example depend on the coil material and/or temperature. When an electric current I flows through an electrical resistance R an electric voltage U is induced, wherein thermal losses occur which reduce the amount of induced electric voltage U.
  • the arrangement and functioning of the induction assembly may be alternated so as to, while maintaining the surface of the balloon respectively coil constant, cause a change of the magnetic flux generated by the magnet assembly in response to a varying gas pressure input which is produced by the spring assembly.
  • the magnetic flux may for example be varied in accordance with different coil materials, coil lengths, and/or different distances of the magnet assembly with regards to the coil.
  • the induced AC current before supplying the control unit with induced electric current, is transformed into DC current by means of a power converter.
  • the power converter may be a diode, such as a rectifier.
  • the first and the second coil end are connected to the power converter such that the induced electric AC current may be tapped by the power converter and then, may be transformed into DC current which is necessary for powering the control unit.
  • the power converter may also be connected to a battery or a capacitor, such as a supercap, so as to charge the battery with at least a subset of the transformed DC current.
  • the battery may for example be used for an initializing ignition of the igniter, i.e. when powering-on the cooker and performing a first ignition process. This means that, in order to initially ignite the igniter, the control unit accesses the electric current stored in the battery so as to open and/or close the gas supply valve.
  • the battery may also allow an emergency operation of the control unit, such as an emergency shut off.
  • a gas regulator may be arranged between the induction assembly and the igniter.
  • the gas regulator may rectify the periodically varying gas amount leaving the induction assembly into a constant gas amount. This may be advantageous in order to feed the igniter with a constant gas pressure amount so as to perform reliable and constant heating of the hob, respectively the oven cavity is.
  • the gas regulator mechanically rectifies the varying gas amount.
  • the gas regulator rectifies the varying gas amount by means of mechanical control actions.
  • the gas regulator works independent from the control unit so as to automatically rectify the varying gas amount, in response to varying gas amount inputs.
  • the gas regulator may therefore not require a power supply and/or a control input triggered by the control unit. This further decreases the energy consumption respectively the power consumption of the cooker so as to reduce power costs for power provided from an external power supply.
  • a general idea of the invention relates to using gas pressure which is used for heating a hob 9, and/or an oven cavity (not shown) defining an inner volume, of a cooker also for energizing a control unit 5 and connected control circuitry being provided for controlling operation of the cooker.
  • a general idea further relates to using the energy of the gas pressure in order to cause an induction assembly 1 to induce an electric current which then may be supplied to electric components, such as a control unit 5 and circuitry, such that the control unit 5 and the circuitry does not require additional external power supply. Therefore, energy consumption of the cooker may be reduced and the cooker may also avoid electromagnetic interference, which may be caused by additional circuitry that is to supply power the control unit 5.
  • the realization of the induction assembly 1 is subject to example embodiments of the cooker according to the invention and will be explained herein below.
  • a cooker, oven, stove for example gas stove, or cooking range
  • circuitry (not shown) connected to the control unit 5.
  • the control unit 5 may process user inputs, such as heating of a specific hob 9 of the oven or changing display information to be output on an oven display.
  • the hob 9 may be heated by an igniter 13 being energized in response to gas pressure.
  • a gas supply line 17 may supply the igniter 13 with gas pressure for heating the hob 9.
  • a gas supply valve 21 is connected to the gas supply line 17 and may be set in an open state where gas is allowed to pass the gas supply valve 21 in the direction of the igniter 13 and a closed state where gas is prohibited from passing the gas supply valve 21 in the direction of the igniter 13.
  • opening and/or closing of the gas supply valve 21 is performed by the control unit 5.
  • an operation of the control unit 5 may be caused by user inputs, for example using a human machine interface integrated into the oven.
  • the control unit 5, and also the circuitry needs to be powered. Instead of requiring additional external electric current, the control unit 5 may be powered by an integrated energy recovery system using the gas pressure which in general is responsible for heating the hob 9.
  • an induction assembly 1 may be arranged between the gas supply valve 21 and the igniter 13.
  • the induction assembly 1 may be inductively connected to the gas supply line 17 such that, in the open state of the gas supply valve 21, an electric current is induced and fed to the control unit 5.
  • the control unit 5 may be charged without the need of additional external power supply.
  • energy consumption and conclusively power costs may be reduced.
  • electromagnet 49ic interference problems may be prevented.
  • the induction assembly 1 may comprise a spring assembly 25.
  • the spring assembly 25 may, in the open state of the gas supply valve 21, periodically vary a gas amount, i.e. a gas pressure amount, supplied in the direction of the igniter 13 between a minimum and a maximum.
  • the spring assembly 25 may transform a constant gas flow, i.e. a gas flow having a constant gas pressure value, into an alternating gas flow, i.e. a gas flow having an alternating gas pressure value.
  • the gas pressure value may for example sinusoidally alternate.
  • a power generator 37 may, in response to a change of the gas amount, respectively the gas pressure amount, induce an electric current.
  • an elastic deformation of the spring assembly 25 for example an elastic expansion and/or elastic compression, is triggered by opening and/or closing of the gas supply valve 21. Then, in order to reduce energy consumption of the cooker during operation, the periodically varying of the gas amount is exclusively performed via deformation of the spring 29 without any further interaction with the gas supply valve 21 and/or without any further opening-closing-actions of the gas supply valve 21. This means that the gas supply valve 21 does not need any further power supply.
  • the spring assembly 25 may function as a valve during operation of the cooker, namely after the initial starting phase of the cooker.
  • the spring assembly 25 may comprise a spring 29.
  • the spring 29 may be a spiral torsion spring 29, hairspring 29, balance spring 29 or the like.
  • the spring 29 may have a first end connected to an output of the gas supply valve 21.
  • the spring assembly 25 may also have a control means 33 connected to a second end of the spring 29.
  • the control means 33 may be a valve, flap, or similar opening/closing armature.
  • the control means 33 may be set, in response to an essentially elastic deformation of the spring 29, in an active state where the gas amount reaches the maximum and a passive state where the gas amount reaches the minimum. The switching between its active and its passive state may be performed periodically.
  • Essentially elastic is to be understood in that a plastic deformation of the spring 29 to a certain degree may also occur, wherein the degree of plastic deformation shall be held low in order to increase life time of the spring 29.
  • the spring 29 may be essentially elastically biased so as to maintain the control means 33 in its passive state.
  • the resulting gas pressure may release the bias of the spring 29 so as to cause the control means 33 to switch from passive state to active state.
  • the spring 29 may be in a not-deformed state correlating to the control means 33 being in the passive state.
  • the resulting gas pressure may essentially elastically bias the spring 29 so as to cause the control means 33 to switch from passive state to active state.
  • the deformation restoring force, resulting from biasing the spring 29, causes the control means 33 to again switch from active state to passive state in response to a closing action of the gas supply valve 21.
  • FIG. 1 the functioning of an integrated energy recovery system of the cooker according to the invention is exemplarily explained under reference to an induction assembly 1 where the induction of the electronic current is mainly realized by alternating expansion and/or compression of an elastic induction assembly member.
  • the induction assembly 1 which may generate an electric current in response to pressure changes caused by a control means arranged upstream, i.e. before, the induction assembly 1 in a gas flow direction are also covered by the present invention.
  • the control unit 5 is connected to the gas supply valve 21 so as to cause the gas supply valve 21 to open and/or close, namely to allow and/or prevent the passage of gas pressure through the valve.
  • the opening and/or closing orders may be caused by user inputs.
  • gas pressure reaches the spring assembly 25.
  • the elastic spring 29 elastically deforms so as to cause a switching of the control means 33 between its active state and its passive state, and vice versa.
  • the control means 33 is initially set in the passive state and, in response to a deformation of the spring 29, which in turn is caused by opening the gas supply valve 21, the control means 33 switches into its active state to allow the passage of gas.
  • the spring 29 in response to opening the gas supply valve 21, the spring 29 is configured to periodically switch the control means 33 between its passive state and its active state in order to periodically vary the gas amount between the minimum and the maximum.
  • the induced current may be AC current which periodically reverses direction.
  • the deformation of the spring namely its expansion and/or compression, is triggered by the opening and/or closing of the gas supply valve 21. Then, in order to reduce energy consumption of the cooker, switching the control means 33 may be exclusively performed via expansion and/or compression of the spring 29.
  • the spring 29 may function as a valve. This may be achieved by a suitable mechanical structure of the spring 29 allowing a periodical switching of the control means 33.
  • the deformation of the spring may be defined as a mainly elastic deformation. The elastic deformation, in comparison to a plastic deformation, has the advantage of being material-saving and long-lasting, therefore being more cost-efficient. Due to the resilient behavior of the spring 29, the control means 33 may be springloaded so as to perform the switching between its active state and its passive state, and vice versa, automatically, i.e. exclusively in response to an expansion and/or compression of the string 29.
  • Fig. 2 and Fig. 3 example profiles of the gas pressure leaving the spring assembly 25, respectively the control means 33, are illustrated by the corresponding graph in each figure.
  • the pressure P at a certain time t is referenced by the sign P(t) and correlates to the y-axis, wherein the time t correlates to the x-axis.
  • the gas pressure continuously increases from a minimum, in Fig. 2 "o", which means that the control means 33 initially was set in its passive state, until the gas pressure reaches the maximum
  • Fig. 3 an alternative profile of the gas pressure is shown.
  • the profile from Fig. 3 only differentiates from the profile according to Fig. 2 in that the pressure exponentially increases and/or decreases.
  • the control means 33 is realized by a flap or valve, when switching from passive state to active state, the valve or flap exponentially releases a free space to allow passage of gas.
  • the power generator 37 may comprise a flexible or elastic gas supply line section 41.
  • a flexible balloon or flexible bellows may be used.
  • Flexible respectively elastic is to be understood in that the gas supply line section 41 may elastically expand and/or compress, for example in a length and/or a radial direction of the gas supply line section 41.
  • the flexible gas supply line section 41 may be connected to an output of the control means 33 such that, in response to the control means 33 switching between its active and its passive state, the flexible gas supply line section 41 periodically expands and/or compresses. Conclusively, in response to expansion and/or compression, in any of volume of the gas supply line section 41 increases and/or decreases.
  • a magnet assembly 45 may apply a magnetic flux onto the flexible gas supply line section 41.
  • the magnet assembly 45 may comprise two permanent magnets 49 at least in part facing each other.
  • the permanent magnets 49 are such arranged that each of the magnets 49 may apply a magnetic flux onto the flexible gas line section 41.
  • the magnets 49 are arranged parallel with respect to each other.
  • the magnets 49 may have the same size, material, and/or orientation with respect to the flexible gas supply line section 41. Other magnets 49 and/or arrangements are also possible.
  • a magnetic flux has to be applied onto the flexible gas line section 41. It shall be clear, that the amount of applied magnetic flux may depend on the design of the cooker, particularly may depend on the requirements of the cooker in order to reliably and energy-efficiently perform the heating process.
  • a flexible or elastic coil 51 may be wound around the flexible gas supply line section 41 and/or attached to the flexible gas supply line section 41. At least one winding 55 may be provided. It is clear that an increasing number of windings 55 increases the amount of generated magnetic flux.
  • the flexible coil 51 may at least cover a part of the flexible gas line section 41. Further, the flexible coil 51 may, in response to the expansion and/or compression of the flexible gas supply line section 41, expand and/or compress in order to induce an electric current. The induced electric current may then be tapped between a first coil end 75 and a second coil end 79. The first and the second coil ends 75, 79 may be distal from the flexible gas line section 41.
  • the entire flexible gas line section 41 is covered by the flexible coil 51 so as to increase respectively maximize the induced current.
  • the first and the second end 75, 79 of the coil 51 may be directed and attached to a circuitry so as to supply the control unit 5 with energy.
  • the windings 55 may have additional electrical connections, such as taps, along their length. Also, a single tap winding in the center of its length, which is called center-tapped, may be used.
  • the flexible gas supply line section 41 is a balloon.
  • the balloon may essentially evenly expand and/or compress in its radial direction so as to increase and/or decrease an inner balloon volume.
  • the inner balloon volume has an initial value being indicative of a non-expanded state.
  • the active control means state namely when the gas pressure amount reaches a maximum, the inner balloon volume increases to an expanded state value.
  • the expansion and/or compression is essentially performed in an elastic manner, without any plastic deformations.
  • Suitable materials for the balloon may be plastic, rubber, latex, or the like.
  • the dimension and degree of expansion and/or compression may depend on the design of the cooker, respectively the requirements of the cooker in order to achieve a reliable and energy-efficient heating process, while realizing the energy recovery system according to the invention. Also, particularly the degree of expansion and/or compression may be adjusted in order to generate optimum electrical values resulting in an optimum energy recovery.
  • the coil 51 essentially evenly expands and/or compresses in a longitudinal direction of the coil 51 so as to increase and/or decrease a coil 51 length.
  • the passive control means state namely when the gas pressure amount reaches a minimum
  • the coil 51 length has an initial value being indicative of a non-expanded state.
  • the active control means state namely when the gas pressure amount reaches a maximum
  • the coil 51 length increases respectively lengthens to an expanded state value.
  • the expansion and/or compression is essentially performed in an elastic manner, without any plastic deformations. Suitable materials for the coil 51 may be plastic, rubber, latex, or the like.
  • the dimension and degree of expansion and/or compression may depend on the design of the cooker, respectively the requirements of the cooker in order to achieve a reliable and energy-efficient heating process, while realizing the energy recovery system according to the invention. Also, particularly the degree of expansion and/or compression may be adjusted in order to generate optimum electrical values resulting in an optimum energy recovery.
  • the coil 51 may be attached to an outer surface of the balloon.
  • the attachment of the coil 51 to the outer surface of the balloon may be continuous or discrete. Therefore, an increase and/or decrease of the inner balloon volume causes an increase and/or decrease of the coil 51 length.
  • the induced electric current is linear dependent on the ratio of increase and/or decrease of the inner balloon volume, respectively coil 51 length.
  • the resistance R may correspond to an electrical resistance of the coil 51 and may for example depend on the coil material and/or temperature.
  • an electric current I flows through an electrical resistance R, i.e. the coil 51, an electric voltage U is induced, however thermal losses occur which reduce the amount of induced electric voltage U.
  • the electrical resistance R may remain constant for the entire coil 51.
  • the coil material may be chosen in accordance with the requirements of the corresponding cooker.
  • the coil 51 comprises a material having a low electrical resistance R in order to increase the induced electric current I, respectively electric voltage U.
  • the magnetic flux may for example be varied in accordance with different coil materials, coil lengths, and/or different distances of the magnet assembly 45 with regards to the coil 51.
  • a second graph indicating a change of the surface of the elastic gas supply line section 41, respectively the elastic coil 51 is illustrated, wherein the y-axis corresponds to a surface A at a time t and the x-axis corresponds to the time t.
  • the change of the induced electric voltage U, respectively induced electric current I is illustrated, wherein the y-axis corresponds to an electric voltage value U, respectively electric current value I, at a time t and the x-axis corresponds to a time t.
  • the graph of the surface A which is used for inducing the electric current U, linearly depends on the profile of the pressure P. Further, it may be seen that the induced electric current I, respectively the induced electric voltage U, is linearly dependent on the ratio of increase and or decrease of the corresponding surface A.
  • the coil 51 has a circular cross-section and the effective surface inducing a current and/or voltage correlates to a surface of the coil 51, in particular a circumferential surface of the coil 51 part being wound around the elastic gas supply line section 41. This means that, when the flexible gas supply line section 41 expands, the flexible coil 51 expands in a coil 51 length direction so as to increase the effective surface of the coil 51 inducing an electric current.
  • the change of the effective surface comprises a linear profile resulting in an alternating, stepwise profile of induced electric current respectively induced electric voltage.
  • Fig. 3 an exponential profile of the change of the effective surface of the coil 51 is shown, resulting in a linearly alternating induced electric current I(t), respectively induced electric voltage U(t).
  • corresponds to a maximum surface value
  • are also indicated in the respective graph.
  • the arrangement and functioning of the induction assembly 1 may be alternated so as to, while maintaining the surface of the balloon respectively coil 51 constant, causing a change of magnetic flux generated by the magnet assembly 45 in response to a varying gas pressure input which is produced by the spring assembly 25.
  • the induced AC current is transformed into DC current by means of a power converter 59.
  • the power converter 59 may be a diode, such as a rectifier.
  • the first and the second coil 51 end are connected to the power converter 59 such that the induced electric AC current may be tapped by the power converter 59 and then, may be transformed into DC current which is necessary for powering the control unit 5.
  • the power converter 59 may also be connected to a battery 63 or a capacitor so as to charge the battery 63 with a subset of the transformed DC current.
  • the battery 63 may for example be used for an initializing ignition of the igniter 13, i.e. when powering-on the cooker and performing a first ignition process. This means that, in order to initially ignite the igniter 13, the control unit 5 accesses the electric current stored in the battery 63 so as to open and/or close the gas supply valve 29.
  • the battery 63 may also allow an emergency operation of the control unit 5, such as an emergency shut off. As indicated by arrows correlating to current supply lines 71 in Fig.
  • the electric current is, firstly, fed from the power converter 59 directly to the control unit 5 and, secondly, to the battery 63, which then may supply electric current to the control unit 5 during an initial igniting phase, which is also indicated by an arrow correlating to a current supply line 71.
  • a gas regulator 67 may be arranged between the induction assembly 1 and the igniter 13.
  • the gas regulator 67 may rectify the periodically varying gas amount leaving the induction assembly 1 into a constant gas amount. This may be advantageous in order to feed the igniter 13 with a constant gas pressure amount so as to perform reliable and constant heating o the hob 9.
  • the gas regulator 67 may perform a smoothening and/or dampening function.it is clear that the outcome of the gas regulator 67 depends on the efficiency of the functioning of the gas regulator 67. This may be adjusted depending on the requirements of the corresponding cooker.
  • the gas regulator 67 mechanically rectifies the varying gas amount.
  • the gas regulator 67 rectifies the varying gas amount by means of mechanical control actions where no additional for example electronic inputs are necessary.
  • the gas regulator 67 works independent from the control unit 5 so as to automatically rectify the varying gas amount, in response to varying gas amount inputs.
  • the gas regulator 67 may therefore not require a power supply and/or a control input for example triggered by the control unit 5. This further decreases the energy consumption respectively the power consumption of the cooker so as to reduce power costs.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
EP17209528.3A 2017-12-21 2017-12-21 Appareil de cuisson Withdrawn EP3502567A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17209528.3A EP3502567A1 (fr) 2017-12-21 2017-12-21 Appareil de cuisson
TR2017/22831A TR201722831A2 (tr) 2017-12-21 2017-12-29 Pi̇şi̇ri̇ci̇

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17209528.3A EP3502567A1 (fr) 2017-12-21 2017-12-21 Appareil de cuisson

Publications (1)

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EP3502567A1 true EP3502567A1 (fr) 2019-06-26

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EP17209528.3A Withdrawn EP3502567A1 (fr) 2017-12-21 2017-12-21 Appareil de cuisson

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EP (1) EP3502567A1 (fr)
TR (1) TR201722831A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060016446A1 (en) * 2004-07-24 2006-01-26 Hu Caroline K Gas stove with thermoelectric generator
EP1990582A1 (fr) * 2007-05-07 2008-11-12 Electrolux Home Products N.V. Appareil de cuisson à gaz
US20120097148A1 (en) * 2010-10-25 2012-04-26 E.G.O. Elektro-Geratebau Gmbh Gas Burner for a Gas Hob, Gas Cooker, and Method for Operating a Gas Hob
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