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:
Dec. 05, 2023
Filed:
Mar. 15, 2019
Nikkiso Co., Ltd., Tokyo, JP;
Shunsuke Kawamura, Makinohara, JP;
Ryo Kato, Makinohara, JP;
NIKKISO CO., LTD., Tokyo, JP;
Abstract
An air trap chamber is provided with a chamber body and a filter. An introduction pipe of the chamber body is provided so as to extend to the inside of the chamber body, and an inlet port which is an end opening of the introduction pipe is provided, on the inner circumferential surface of the chamber body, so as to be directed toward the circumferential direction. The filter is provided inside the chamber body, and covers an outlet port of the chamber body. Openings are formed, at multiple stages along the center axis direction, in the cylindrical portion of the filter. An opening at an upper stage on the ceiling portion side of the filter has a circumferential width greater than that of an opening at a lower stage on the outlet port side.