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. 08, 2020
Filed:
Feb. 12, 2020
Nidec Tosok Corporation, Kanagawa, JP;
Masaru Miyagi, Kanagawa, JP;
NIDEC TOSOK CORPORATION, Kanagawa, JP;
Abstract
A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part; a filter unit having a frame body including a through hole part that penetrates in a direction orthogonal to a central axis, a filter member in a planar plate shape disposed on one end side in a direction of an axis of the groove-shaped flow path with respect to the through hole part, and a seal member in a ring shape disposed along an outer-side circumferential edge part of the frame body when viewed from the through hole part; and a plate-shaped member being attached to the body to cover the groove-shaped flow path in a state where the filter unit is accommodated in the widened part. The frame body has a regulating part which regulates a disposition direction of the filter member with respect to the groove part.