# US 2023/0056084 A1 · Fume extraction device, system for installation, and assembly kit for a fume extraction > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0056084 A1 - Document ID: US20230056084A1 - Status: Published application - Kind: A1 - Application number: 17/797,126 - Filed: 2021-01-27 - Published: 2023-02-23 - Earliest claimed: 2020-02-14 - Assignees: BSH Hausgeräte GmbH - Applicants: BSH Hausgeräte GmbH - Inventors: Aurélien Chartrel; Laetitia Angelo; Léa Leblanc; Gauthier Watrin; Marc Siefer; Florent Amyot - Web page: https://patentgrep.com/patent/US20230056084A1 ## CPC - F24C 15/2035: {Arrangement or mounting of filters (F24C15/2021 takes precedence; filters per se B01D46/00)} - F24C 15/2042: {Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft (F24C15/2007 takes precedence)} - G10K 11/162: Selection of materials - F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION - G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR ## Abstract A fume extraction device for installation in an item of kitchen furniture includes an air duct, a top side provided with an air inlet opening, an appliance housing arranged below the air inlet opening and having a side wall provided with an air outlet opening which is connected to the air duct, a fan arranged in the appliance housing, and a noise filter element received in the appliance housing and including a filter material which is chemically inert. ## Claims ### Claim at position 1 1-10. (canceled) ### Claim 11 A fume extraction device for installation in an item of kitchen furniture, said fume extraction device comprising: a top side provided with an air inlet opening; an appliance housing arranged below the air inlet opening and having a side wall provided with an air outlet opening for connection to an air duct; a fan arranged in the appliance housing; and a noise filter element received in the appliance housing and including a filter material which is chemically inert. ### Claim 12 (depends on 11) The fume extraction device of claim 11, wherein the filter material of the noise filter element is made of plastic. ### Claim 13 (depends on 12) The fume extraction device of claim 12, wherein the plastic is polyethylene terephthalate PET. ### Claim 14 (depends on 11) The fume extraction device of claim 11, wherein the filter material is present as a granulate and/or as a nonwoven fabric. ### Claim 15 (depends on 11) The fume extraction device of claim 11, wherein the noise filter element includes a pleated mat, which is made at least partially of filter material. ### Claim 16 (depends on 11) The fume extraction device of claim 11, wherein the noise filter element is disposed in a flow direction downstream of the air inlet opening of the fume extraction device and upstream of the fan. ### Claim 17 (depends on 11) The fume extraction device of claim 11, further comprising at least two of said noise filter element resting against one another on their end faces, each of the noise filter elements having a length which is less than a length of the air inlet opening, wherein the at least two noise filter elements form a noise filter element unit of a length which is larger than the length of the air inlet opening. ### Claim 18 (depends on 11) The fume extraction device of claim 11, wherein the air duct includes a straight duct element, which is introduced partially into the air outlet opening of the appliance housing. ### Claim 19 A system for installation of a fume extraction device in an item of kitchen furniture, said system comprising: a fume extraction device comprising a top side provided with an air inlet opening, an appliance housing arranged below the air inlet opening and having a side wall provided with an air outlet opening, and a fan arranged in the appliance housing; an air duct detachably connected to the fume extraction device at an interface of the fume extraction device and formed at the air outlet opening; a filter receptacle arranged in a flow direction downstream of the air inlet opening and upstream of the fan; and a noise filter element detachably received in the filter receptacle. ### Claim 20 (depends on 19) The system of claim 19, wherein the air duct includes a duct element for insertion into the interface of the fume extraction device. ### Claim 21 (depends on 19) The system of claim 19, wherein the air duct includes a straight duct element, which is introduced partially into the air outlet opening of the appliance housing. ### Claim 22 An assembly kit for installation of a fume extraction device in an item of kitchen furniture, said assembly kit comprising: an air duct including a duct element for detachable connection at an interface of the fume extraction device to an air outlet opening in a top side of the fume extraction device; and a noise filter element configured for arrangement in a flow direction downstream of the air inlet opening and upstream of a fan of the fume extraction device. ### Claim 23 (depends on 22) The assembly kit of claim 22, wherein the air duct includes a straight duct element, which is introduced partially into the air outlet opening.