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:
Feb. 13, 2007
Filed:
Dec. 07, 2004
Tsuyoshi Tanikawa, Osaka, JP;
Shigeru Itoi, Osaka, JP;
Tadayuki Yakushijin, Osaka, JP;
Fujikin Incorporated, Osaka, JP;
Abstract
A fluid controller, wherein the recessed port () of a body () is formed of larger diameter part () near an opening and a small diameter part () continued to the lower part of the large diameter part () through a step part (). A flow passage forming disk () is fitted to the recessed portion (). The fluid passage forming disk () comprises a large diameter cylindrical part () fitted to the large diameter part () in the recessed portion, a connection part () supported by the step part () in the recessed portion, and a small diameter cylindrical part () having an outer diameter smaller than the inner diameter of the small diameter part () in the recessed portion and having a lower end supported by the bottom surface of the recessed portion (). A plurality of through-holes () communicating an annular space (S) on the outside of the small diameter cylindrical part with an annular space (S) on the inside of the large diameter cylindrical part are formed at the connection part () of the flow passage forming disk. The fluid inflow passage () is led into the lower end of the small diameter cylindrical part () of the flow passage forming disk (), and a fluid outflow passage () is led into the annular space (S) on the outside of the small diameter cylindrical part.