# US 11,835,238 B2 · Cooking appliance unit and cooking appliance base frame > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,835,238 B2 - Document ID: US11835238B2 - Status: Granted - Kind: B2 - Application number: 16/632,260 - Filed: 2018-07-05 - Published: 2020-05-28 - Granted: 2023-12-05 - Earliest claimed: 2017-07-17 - Assignees: Rational AG; Rational International AG - Applicants: RATIONAL Aktiengesellschaft; RATIONAL International AG - Inventors: Jakob Assenbrunner; Markus Lingenheil; Reinhard Wassmus; Kevin Spalholz; Simon Endres - Web page: https://patentgrep.com/patent/US11835238B2 ## CPC - F24C 7/08: Arrangement or mounting of control or safety devices - F24C 15/086: {Adjustable legs or pillars} - A47J 27/14: Cooking-vessels for use in hotels, restaurants, or canteens - A47J 37/1276: {Constructional details (A47J37/1247 and A47J37/1261 take precedence)} - B66F 7/22: with tiltable platforms (tilting vehicles for unloading B65G67/34) - F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION - A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES - B66F: HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD ({invalid lifting devices A61G7/10; } mounting artificial islands on piles or like supports E02B17/00; scaffolding combined with lifting devices E04G1/22; lifting devices for sliding forms E04G11/24; lifting of buildings E04G23/06; shores or struts E04G25/00; lifts or other hoisting devices on ladders E06C7/12; props for mining E21D15/00) ## Abstract A cooking appliance unit has a movable cooking appliance base frame, by which the cooking appliance attached thereto is height-adjustable, more specifically as a function of the operating situation of the cooking appliance. The cooking appliance includes a controller which is configured to automatically adjust the height of the cooking pan as a function of the operating situation. ## Claims ### Claim 1 A cooking appliance unit comprising a cooking appliance base frame including a lifting system having at least one drive, by which the cooking appliance base frame is height-adjustable, for varying the pan height above the floor, and comprising a cooking appliance supported by the cooking appliance base frame and having at least one heatable pan, and a controller fir vertically adjusting the cooking appliance base frame, wherein the controller is configured to automatically vertically adjust the cooking appliance base frame so as to adjust the height of the pan as a function of the operating situation. ### Claim 2 (depends on 1) The cooking appliance unit according to claim 1, wherein the base frame and the cooking appliance form a structural unit. ### Claim 3 (depends on 1) The cooking appliance unit according to claim 1, wherein the controller is configured to vertically adjust the cooking appliance base frame as a function of the operating situation in the form of the operating mode of the cooking appliance. ### Claim 4 (depends on 1) The cooking appliance unit according to claim 1, wherein the controller is configured to vertically adjust the height of the cooking appliance base frame as a function of the operating situations in the form of cooking path phases. ### Claim 5 (depends on 4) The cooking appliance unit according to claim 4, wherein the controller is configured such that individual pan heights can be stored in it by a permanently provided operating unit for operating situations. ### Claim 6 (depends on 5) The cooking appliance unit according to claim 5, wherein the controller is configured such that individual pan basic heights and/or for different users can be stored in it by a permanently provided operating unit. ### Claim 7 (depends on 1) The cooking appliance unit according to claim 1, wherein the at least one pan is swivel-mounted. ### Claim 8 (depends on 7) The cooking appliance unit according to claim 7, wherein the controller is configured to adjust the height of the pan as a function of the pan angle. ### Claim 9 (depends on 8) The cooking appliance unit according to claim 8, wherein the controller is programmed such that the pan is moved downward tier emptying the pan by tilting it downward. ### Claim 10 (depends on 7) The cooking appliance unit according to claim 7, wherein the controller is programmed such that the pan is moved downward for emptying the pan by tilting it downward. ### Claim 11 (depends on 1) The cooking appliance unit according to claim 1, wherein specific vertical heights for the pan are stored in the controller at least for one of the following operating situations: loading the pan with food to be cooked; cooking the food to be cooked; tilting the pan for emptying; cleaning the pan; cooking employing an accessory part inserted into the pan; positioning an accessory part that can be moved up to the cooking appliance unit; and opening and closing the cover. ### Claim 12 (depends on 1) The cooking appliance unit according to claim 1, wherein the controller is configured such that different user profiles with different pan heights can be stored in it. ### Claim 13 (depends on 1) The cooking appliance unit according to claim 1, wherein the controller for adjusting the height of the pan is also the controller for the cooking processes. ### Claim 14 A cooking appliance base frame for a cooking appliance having at least one heatable pan, comprising a lifting system having at least one drive, by which the cooking appliance base frame is height-adjustable, for varying the pan height above the floor, and a top side of the base frame onto which the cooking appliance can be placed, the cooking appliance base frame being a structural unit separate from the cooking appliance so that the cooking appliance can be placed into the top side of the base frame, and wherein the cooking appliance base frame has a plurality of independently movable drives. ### Claim 15 (depends on 14) The cooking appliance base frame according to claim 14, comprising a communication interface with the cooking appliance, via which the lifting system can be electronically coupled to the controller of the cooking appliance. ### Claim 16 (depends on 15) The cooking appliance base frame according to claim 15, wherein the at least one drive is an electric motor drive or a hydraulic or pneumatic drive. ### Claim 17 (depends on 15) The cooking appliance base frame according to claim 15, wherein at least one guide is provided by which an upper part of the base frame is vertically displaceable in relation to a floor-side part. ### Claim 18 (depends on 14) The cooking appliance base frame according to claim 14, Wherein the at least one drive is an electric motor drive or a hydraulic or pneumatic drive. ### Claim 19 (depends on 14) The cooking appliance base frame according to claim 14, wherein at least one guide is provided by which an upper part of the base frame is vertically displaceable in relation to a floor-side part. ### Claim 20 (depends on 19) The cooking appliance base frame according to claim 19, wherein an operating unit by which the drive can be activated and deactivated.