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. 23, 2021
Filed:
Feb. 19, 2016
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Shingo Murakami, Ebina, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Hitachinaka, JP;
Abstract
In a flow rate control valve CV provided with seal members Sto Sarranged radially between a housingand a valve bodyrotatably supported in the housing, seal members which hermetically seals the space radially between the housingand valve bodyby sliding against the outer peripheral surface of valve body, concave level difference parts Nand Nrecessed lower than seal-sliding contact surfaces which are the outer peripheral surfaces of the seal-sliding parts Dto Dare provided, and parting lines Pand Pare provided within the level difference parts Nand N, and thereby it is possible to suppress damage to seal surfaces Sto Sof the seal members Sto Scaused by sliding against the parting lines Pand Pwhen the seal surfaces Sto Spass through the parting lines Pand P