The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2024
Filed:
Feb. 09, 2022
Ngk Insulators, Ltd., Nagoya, JP;
Yohei Kajiura, Nagoya, JP;
Yuji Watanabe, Kasugai, JP;
Yoshihiro Sato, Nissin, JP;
Yuichi Tajima, Nagoya, JP;
NGK INSULATORS, LTD., Nagoya, JP;
Abstract
An inspection device for a pillar shaped honeycomb filter includes: a housing portion that can house a pillar shaped honeycomb filter; an introduction pipe and a discharge pipe through which a gas can flow, 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 arranged in the introduction pipe on an upstream side of the particle introduction portion in a gas flow direction; and particle counters for measuring the number of particles, the particle counters being arranged in the introduction pipe and the discharge pipe on a downstream side of the particle introduction portion in the gas flow direction.