{"number":"US12697572B2","kindCode":"B2","documentType":"grant","title":{"original":"Flow grid and ambient air purification device","english":"Flow grid and ambient air purification device"},"abstract":{"original":"The present invention provides a flow grid arranged at a fluid intake side of a fluid flow generating device, the flow grid comprising: a frame configured to be mounted to a housing of the fluid flow generating device; and a fluid flow area connected to the frame, the fluid flow area having an outer perimeter, the outer perimeter having a diameter (douter), the outer perimeter being adjacent to the frame, wherein the fluid flow area comprises a polygonal cell arrangement having a kaleidoscopic pattern, wherein the polygonal cell arrangement comprises at least two types of cell geometries shari…","english":"The present invention provides a flow grid arranged at a fluid intake side of a fluid flow generating device, the flow grid comprising: a frame configured to be mounted to a housing of the fluid flow generating device; and a fluid flow area connected to the frame, the fluid flow area having an outer perimeter, the outer perimeter having a diameter (douter), the outer perimeter being adjacent to the frame, wherein the fluid flow area comprises a polygonal cell arrangement having a kaleidoscopic pattern, wherein the polygonal cell arrangement comprises at least two types of cell geometries shari…"},"applicants":["MANN+HUMMEL LIFE SCIENCES &ENVIRONMENT HOLDING SINGAPORE PTE. LTD."],"inventors":["Tobias WARTH","Jens GUSEK","Abhilash REVANNA","Santosh KALYANASUNDARAM"],"filingDate":"2023-03-20","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697572B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697572B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697572B2","ja":"https://downloadpatent.com/ja/patent/US12697572B2"}}