Patents Assigned to Rational Aktiengesellschaft
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Patent number: 11960256Abstract: A method for operating a plurality of devices which each contain at least one electrical or gas consumer, with the following steps: before switching on the consumer, the device asks an allocation module whether the process can be started, on the basis of parameters of the requested process, parameters of currently running and/or planned processes of the other consumers and a predefined maximum power value, the allocation module decides whether the requested process is enabled, modified or at least temporarily disabled. A system having a plurality of devices which each have at least one electrical or gas consumer as well as a controller, and having an allocation module in which a maximum power value for the consumers is stored, wherein the controller of the devices can send information about planned and current processes via a communication link to the allocation module and receive an enable signal.Type: GrantFiled: December 8, 2017Date of Patent: April 16, 2024Assignees: RATIONAL AKTIENGESELLSCHAFT, RATIONAL INTERNATIONAL AGInventors: Manfred Breunig, Florian Löw, Frank Marek
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Patent number: 11844171Abstract: A method of sensing at least one load parameter of a closed chamber by a sensing device by means of electromagnetic radiation is described, in which measurements of at least one measured variable are used. A first measurement is carried out when there is a first spatial distribution of the electric field generated by the electromagnetic radiation. At least a second measurement is carried out when there is a second spatial distribution of the electric field generated by the electromagnetic radiation, which differs from the first spatial distribution of the electric field.Type: GrantFiled: March 7, 2019Date of Patent: December 12, 2023Assignee: RATIONAL AKTIENGESELLSCHAFTInventors: Fernando Meo, Elisa Pizzolato, Daniel Schwalb, Philipp Roediger
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Patent number: 11193911Abstract: A method for determining the moisture within a cooking chamber of a cooking device has the following steps: a) an acoustic oscillation generating in a resonance chamber, b) a control unit receiving the signals picked up by a microphone in the resonance chamber, c) the control unit determining the frequency spectrum of the acoustic oscillations present in the resonance chamber on the basis of the received signals and determines the speed of sound within the cooking chamber on the basis of the frequency spectrum, d) the control unit receives receiving a temperature value; and e) the control unit determines the moisture within the cooking chamber by means of the temperature value and the speed of sound.Type: GrantFiled: July 11, 2017Date of Patent: December 7, 2021Assignee: RATIONAL AKTIENGESELLSCHAFTInventors: Petra Roosen, Thomas Schreiner, Oliver Merker
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Patent number: 10969111Abstract: A method of displaying parameters of a cooking process involves a step in which an information window is provided within an indicating window. Further, a cooking intelligence applied is temporarily displayed in the information window. A cooking appliance display device can be used for displaying various parameters and steps of a cooking process and for making these available to an operator for interaction, with an information window being provided in which a currently applied cooking intelligence is displayed.Type: GrantFiled: July 5, 2013Date of Patent: April 6, 2021Assignee: RATIONAL AKTIENGESELLSCHAFTInventors: Peter Wiedemann, Jana Kirchgaessner, Sascha Barby, Gerd Funk, Torsten Brinkmann, Bruno Maas, Frank Marek, Anton Meindl, Wilhelm Maerz, Sonja Reich, Leonora Minisini, Wolfgang Schmidberger, Meike Stelljes
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Patent number: 10813495Abstract: A grilling accessory for use in a cooking space of a cooking appliance is described, which includes two food carriers with at least one cooking area each, which contact a food at the same time. The food carriers are arranged to each other such that the respective cooking areas face each other, wherein at least one of the food carriers has openings in the respective cooking area, wherein the two food carriers are connected with each other via a connecting element comprising a joint. Further, a grilling system is described.Type: GrantFiled: November 20, 2017Date of Patent: October 27, 2020Assignee: RATIONAL AKTIENGESELLSCHAFTInventor: Wolfgang Holzapfel
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Patent number: 10687394Abstract: An energy transfer cooking device accessory is described which includes a plastically deformed metal sheet (and a transformer-like power transfer unit which has a primary circuit and a secondary circuit. The plastically deformed metal sheet is arranged between said primary circuit and said secondary circuit. Simultaneously said plastically deformed metal sheet forms a magnetically permeable coupling point for said primary circuit and said secondary circuit, so that a magnetic flux from said primary circuit to said secondary circuit via said plastically deformed metal sheet is guaranteed. Furthermore, a method of manufacturing an energy transfer cooking device accessory and a cooking device are described.Type: GrantFiled: November 15, 2017Date of Patent: June 16, 2020Assignee: RATIONAL AKTIENGESELLSCHAFTInventors: David Schick, Thomas Schreiner
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Patent number: 10001283Abstract: In a cooking device having a cooking chamber including a plurality of side walls, a bottom, and a fat drain to allow fat and other cooking residues to be discharged therethrough from the cooking chamber outward, the fat drain is arranged in a side wall of the cooking chamber.Type: GrantFiled: July 27, 2012Date of Patent: June 19, 2018Assignee: RATIONAL AKTIENGESELLSCHAFTInventors: Gerhard Kramer, Hubert Brunner
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Patent number: 9848730Abstract: A food carrier for use in a cooking space of a cooking appliance has a first cooking area and a second cooking area on which a food to be cooked can be placed. The cooking areas can in particular be grilling areas. The first and the second cooking areas are arranged on opposite sides of the food carrier, and each of the first and second cooking areas has a structuring. The structuring of the first cooking area is different from the structuring of the second cooking area.Type: GrantFiled: December 11, 2014Date of Patent: December 26, 2017Assignee: Rational AktiengesellschaftInventor: Wolfgang Holzapfel
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Publication number: 20150176846Abstract: A method of displaying parameters of a cooking process involves a step in which an information window is provided within an indicating window. Further, a cooking intelligence applied is temporarily displayed in the information window. A cooking appliance display device can be used for displaying various parameters and steps of a cooking process and for making these available to an operator for interaction, with an information window being provided in which a currently applied cooking intelligence is displayed.Type: ApplicationFiled: July 5, 2013Publication date: June 25, 2015Applicant: Rational AktiengesellschaftInventors: Peter Wiedemann, Jana Kirchgaessner, Sascha Barby, Gerd Funk, Torsten Brinkmann, Bruno Maas, Frank Marek, Anton Meindl, Wilhelm Maerz, Sonja Reich, Leonora Minisini, Wolfgang Schmidberger, Meike Stelljes
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Patent number: 6753027Abstract: In a method of controlling a cooking process, at least two temperature values are picked up by a cooking process sensor which is adapted to be stuck at least partly into food to be cooked. Specific parameters of cooking food and/or cooking utensils are determined via the thermo kinetics of the temperature values registered, and the specific cooking food and/or cooking utensil parameters determined are utilized for controlling the cooking process. The invention likewise relates to a cooking process sensor for use with the method according to the invention.Type: GrantFiled: September 18, 2000Date of Patent: June 22, 2004Assignee: Rational AktiengesellschaftInventors: Michael Greiner, Peter Kohlstrung, Andreas Jürgens
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Patent number: 6649879Abstract: A method and apparatus for homogenizing the energy being supplied to products being cooked. The product is cooked in a cooking chamber of the apparatus on at least one receptacle or container, such as a baking tray or grill. The cooking chamber atmosphere is conducted over the container essentially along a plurality of flow paths which extend essentially parallel in relation to one another and the direction of the flow paths is periodically reversed so as to obtain a uniform heating of the products being cooked.Type: GrantFiled: March 15, 2002Date of Patent: November 18, 2003Assignee: Rational AktiengesellschaftInventor: Peter Kohlstrung
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Patent number: 6626190Abstract: In a method and an apparatus for automatically cleaning at least the cooking chamber of a cooking device upon use of a fluid, the fluid is selected from a first fluid comprising cleaning agent, rinse agent, decalcification agent, water and/or the like, and/or from a second fluid that is acquired from the third fluid discharging from the cooking chamber during cleaning on the basis of at least partial cleaning thereof. At least one spray head is provided to which the first fluid from at least a first reservoir and/or the second fluid can be supplied via a line system from a processing unit connected to the discharge conduit of the cooking chamber. The processing unit has at least a second reservoir, a cleaning unit, and a pump unit.Type: GrantFiled: December 14, 2000Date of Patent: September 30, 2003Assignee: Rational AktiengesellschaftInventors: Wilfried Durth, Peter Wiedemann
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Patent number: 6600288Abstract: A cooking device having a cooking chamber, a motor unit for driving a fan for purposes of circulating cooking chamber atmospheres in the cooking chamber, a control and regulator unit cooperating with the motor unit and a voltage phase and frequency converter which has power supply connections for the input of a.c. voltage signals L1 and at least one connection to the control and regulator unit and an output connection for transmitting three-phase voltage signals U, V and W with adjustable amplitude, frequency and phase to the motor unit.Type: GrantFiled: July 5, 2001Date of Patent: July 29, 2003Assignee: Rational AktiengesellschaftInventors: Wilfried Durth, Erwin Schuller
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Patent number: 6581588Abstract: An insulating glass door for a cooking chamber of a cooking appliance is formed by an insulating glass window composed of two individual panes which are spaced apart for forming an interspace therebetween, which is sealed by an insulating material. The door includes at least one door component which is integrated and extends between the two spaced-apart panes.Type: GrantFiled: July 19, 2001Date of Patent: June 24, 2003Assignee: Rational AktiengesellschaftInventors: Peter Wiedemann, Willi Winter, Hermann Rabe
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Patent number: 6547554Abstract: A combustion system and a method for adapting the combustion system to utilize a first fuel when the system has been designed for a second fuel. The method and system provide inlets for adding air to lower the quality of the first fuel to the quality of the second fuel or inlets for adding a third fuel of a higher quality than the second fuel to raise the quality of the first fuel to the level of the quality of the second fuel.Type: GrantFiled: July 5, 2001Date of Patent: April 15, 2003Assignee: Rational AktiengesellschaftInventors: Rudolf Koegl, Manfred Lichtenstern, Roland Hegmann, Simon Pattermann, Franz Koch, Jaroslav Klouda, Rainer Otminghaus
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System for electronically monitoring scaling in an apparatus for heating and/or evaporating a liquid
Patent number: 6510782Abstract: A system for electronically monitoring scaling in an apparatus for heating and/or evaporating a liquid, comprising a container for at least temporarily receiving the liquid. The container comprises a liquid inlet, a liquid outlet and/or a vapor outlet and a heating element for evaporating liquid from the container. An evaluation unit is connected to at least one liquid level indicator and at least one flowmeter. A value relating to a desired filling volume of the container can be inputted into the evaluation unit and/or can be stored therein. The desired filling volume can be compared to a nominal liquid level in the evaluation system when water is constantly added by the flow meter, whereby the nominal liquid level is detected by the liquid level indicator, or to a nominal filled-in quantity detected by the flowmeter when the liquid flow indicator regulates the level of the filled-in liquid.Type: GrantFiled: August 16, 2001Date of Patent: January 28, 2003Assignee: Rational AktiengesellschaftInventor: Günter Blaschke -
Patent number: D734636Type: GrantFiled: September 13, 2013Date of Patent: July 21, 2015Assignee: RATIONAL AKTIENGESELLSCHAFTInventors: Michael Tinius, Roland Hegmann, Wolfgang Holzapfel
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Patent number: D980881Type: GrantFiled: August 16, 2019Date of Patent: March 14, 2023Assignee: RATIONAL AktiengesellschaftInventors: Michael Tinius, Hannelore Diehl