Title:
FILTER UNIT
Document Type and Number:
Japanese Patent JP2023010546
Kind Code:
A
Abstract:
To provide a filter unit that can suppress deterioration in an air cleaning function by reducing deformation.SOLUTION: The filter unit comprises a filter 60 with an accordion-fold shape having a first part 6U, a second part 6F, and a third part 6S. The second part 6F and the third part 6S face each other in the front-rear direction below the first part 6U. The filter unit also comprises: a first shape-retaining member that is provided at both lateral ends of the filter 60 and retains the shape of the filter 60; and a second shape-retaining member 7 that retains the shape of the filter 60 and is provided at least at a portion of each of a second leading end 65F, which is a lower end of the second part 6F, and a third leading end 65S, which is a lower end of the third part 6S, excluding the portions at both lateral ends.SELECTED DRAWING: Figure 7
Inventors:
Masashi Ichihashi
Naotsuki Osawa
Ryuta Iijima
Keisuke Omori
Naotsuki Osawa
Ryuta Iijima
Keisuke Omori
Application Number:
JP2022019333A
Publication Date:
January 20, 2023
Filing Date:
February 10, 2022
Export Citation:
Assignee:
Brother Industries, Ltd.
International Classes:
B01D46/52; F24F8/108; F24F8/80; F24F13/28