Title:
AIR FILTER
Document Type and Number:
WIPO Patent Application WO/2019/189568
Kind Code:
A1
Abstract:
[Problem] To provide an air filter that does not degrade appearance when used. [Solution] This air filter is provided with: a first fiber layer 21 having a first color and disposed on an upstream side of an air flow; and a lipophilic second fiber layer 22 having a second color with higher brightness than the first color and disposed on a downstream side of the air flow with respect to the first fiber layer 21. The second fiber layer 22 is a main collection layer, and the first fiber layer 21 is a cover layer for shielding the second fiber layer 22. The air filter is, for example, an air filter for a ventilation fan, an air filter for a range hood, or an air filter for an air conditioner.
Inventors:
NAKAJIMA TATSUKI (JP)
SEKI KAZUYA (JP)
HATTORI TOSHIYUKI (JP)
SEKI KAZUYA (JP)
HATTORI TOSHIYUKI (JP)
Application Number:
PCT/JP2019/013586
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
Assignee:
NIPPON MUKI KK (JP)
DAIKIN IND LTD (JP)
DAIKIN IND LTD (JP)
International Classes:
B01D39/14; B01D46/10; B01D46/42; F24C15/20; F24F1/0073; F24F7/06
Foreign References:
| JPH08299722A | 1996-11-19 | |||
| JP2004069290A | 2004-03-04 | |||
| JP2007105685A | 2007-04-26 | |||
| JPH0663328A | 1994-03-08 | |||
| JPH02118341A | 1990-05-02 |
Attorney, Agent or Firm:
SHIMIZU, Yoshihiro (JP)
Download PDF: