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:
Jul. 20, 2021
Filed:
Aug. 12, 2019
Nidec Tosok Corporation, Kanagawa, JP;
Takeshi Nakano, Kanagawa, JP;
Yoshinori Yamaki, Kanagawa, JP;
Tomohiro Yasuda, Kanagawa, JP;
Weiming Chen, Kanagawa, JP;
Kenta Kuramochi, Kanagawa, JP;
NIDEC TOSOK CORPORATION, Kanagawa, JP;
Abstract
A pressure control device reliably preventing foreign matter from flowing beyond a filter unit to the downstream side. The pressure control device includes a body and a cylindrical filter unit. The body has a flow path including a groove and a widened part. A depth of the groove from an upper surface to a bottom is a first depth. The widened part is connected to the groove, extends from the upper surface to the bottom, and has a width larger than a width of the groove. The filter unit is housed along a depth direction of the widened part to capture foreign matter mixed in a fluid passing through the flow path. A depth of the widened part from the upper surface to a bottom surface is a second depth larger than the first depth. The widened part includes a receiving part that a part of the filter unit enters.