公开(公告)号：US20230326443A1

公开(公告)日：2023-10-12

申请号：US18044473

申请日：2021-09-09

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michelle M. Mok ,  Nicole D. Petkovich ,  Michael R. Berrigan ,  Yongbeom Seo ,  Andrew J. Hatch ,  Kevin A. Frankel ,  Seungkyu Lee

IPC: G10K11/165 ,  G10K11/168 ,  D04H3/16 ,  D04H3/007 ,  D06M23/08 ,  D06M11/74 ,  D04H1/56 ,  D04H1/413 ,  D04H1/4291

CPC classification number: G10K11/165 ,  G10K11/168 ,  D04H3/16 ,  D04H3/007 ,  D06M23/08 ,  D06M11/74 ,  D04H1/56 ,  D04H1/413 ,  D04H1/4291 ,  D10B2321/022 ,  D06M2101/20

Abstract: An acoustic absorbing filler, the acoustic absorbing filler comprising agglomerates comprising a first phase comprising a plurality of porous particulates and a second phase comprising a binder; wherein the acoustic absorbing filler has a median sieved particle size of from 100 micrometer to 700 micrometers and a specific surface area of from 50 m2/g to 900 m2/g; wherein the acoustic absorbing filler has a normal incidence acoustic absorption of no less than 0.20 alpha at 400 Hz.

公开(公告)号：US09358494B2

公开(公告)日：2016-06-07

申请号：US14362522

申请日：2012-12-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kevin A. Frankel ,  Maria L. Zelinsky

IPC: B01D53/04 ,  A62B18/08 ,  A62B9/00 ,  B01D45/16 ,  B01D46/24 ,  B01D46/42 ,  B01D53/30

CPC classification number: B01D53/0407 ,  A62B9/006 ,  A62B18/088 ,  B01D45/16 ,  B01D46/2411 ,  B01D46/4254 ,  B01D53/0415 ,  B01D53/0454 ,  B01D53/30 ,  B01D2253/102 ,  B01D2253/104 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/204 ,  B01D2257/70 ,  B01D2259/4146 ,  B01D2275/10

Abstract: Layered filtered cartridge systems with an End of Service Life Indicating system include a filter cartridge that includes filter media. The filter media includes a multi-layer construction, of a first sorbent layer, a second sorbent layer, and a sensing element adjacent to the first and second sorbent layers such that an indicating element of the sensing element is located at the interface between the first and second sorbent layers. The second sorbent layer has a higher adsorption capacity and/or higher adsorption rate than the first sorbent layer. The sensing element indicates the passage of an adsorption wavefront through the filter cartridge.

Abstract translation: 具有使用寿命终止指示系统的分层过滤的墨盒系统包括一个包含过滤介质的滤芯。 过滤介质包括多层结构，第一吸附剂层，第二吸附剂层和与第一和第二吸附剂层相邻的感测元件，使得感测元件的指示元件位于第一和第二吸附剂层之间的界面处 和第二吸附剂层。 第二吸附剂层具有比第一吸附剂层更高的吸附能力和/或更高的吸附速率。 传感元件表示吸附波前通过滤筒。