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:
Mar. 17, 2015
Filed:
Jan. 24, 2013
Nikki Co., Ltd., Kanagawa-ken, JP;
Tokyo Roki Co., Ltd., Yokohama, JP;
Masashi Iwasaki, Kanagawa-ken, JP;
Yuka Yorita, Kanagawa-Ken, JP;
Koji Kawayoko, Kanagawa-Ken, JP;
Takaya Kohara, Kanagawa-Ken, JP;
Tomoaki Fukuoka, Kanagawa-Ken, JP;
Takatsugu Kurosawa, Kanagawa, JP;
Tadashi Ichikawa, Kanagawa, JP;
Yoshinori Maehira, Kanagawa-Ken, JP;
Takayuki Idehara, Kanagawa, JP;
Nikki Co., Ltd., Atsugi, JP;
Tokyo Roki Co., Ltd., Tsuzuki, JP;
Abstract
There is provided a filter device for gas including: a cylindrical filter case formed to be airtight; a hollow filter which is formed with an opening in a bottom part thereof, a top part of which is obstructed, and which is placed inside the filter case in such a manner that a central axis thereof substantially aligns with a central axis of the filter case; and a flow controlling plate which is attached roundly between an outlet in the top part of the filter case and the top part of the hollow filter on an inner peripheral wall of the filter case, wherein gas introduced through an inlet in a bottom part of the filter case is introduced into a hollow part of the hollow filter, and also passes through a space between an outer periphery of the hollow filter and the inner peripheral wall of the filter case, and then is discharged through the outlet.