公开(公告)号：US20240255408A1

公开(公告)日：2024-08-01

申请号：US18396937

申请日：2023-12-27

Applicant: NGK INSULATORS, LTD.

Inventor： Takakazu KOYAMA ,  Yuji WATANABE ,  Hiroyoshi INOUE ,  Takuya YAMADA

IPC: G01N15/08

CPC classification number: G01N15/08 ,  G01N2015/084

Abstract: An inspection device for a pillar shaped honeycomb filter, wherein the inspection device includes: a housing portion; an introduction pipe and a discharge pipe, each of the introduction pipe and the discharge pipe being connected to the housing portion; a particle generation portion for generating particles; a particle introduction portion for introducing the particles generated by the particle generation portion into the introduction pipe; a gas stirring portion disposed in the introduction pipe on an upstream side of the particle introduction portion; a particle concentration adjusting portion disposed in the introduction pipe on a downstream side of the particle introduction portion; and particle counters for measuring the number of particles, the particle counters being disposed in the introduction pipe and the discharge pipe on the downstream side of the particle introduction portion.