公开(公告)号：US12129927B2

公开(公告)日：2024-10-29

申请号：US17980658

申请日：2022-11-04

Applicant: DENSO CORPORATION

Inventor： Tomio Ooshima ,  Shuuya Mikami ,  Noriyuki Inagaki

IPC: F16J15/3204 ,  F16K41/04

CPC classification number: F16J15/3204 ,  F16K41/043

Abstract: A valve device includes: a housing; a valve element; a rotatable shaft that rotates the valve element; a seal member that is slidably in close contact with an outer peripheral surface of the rotatable shaft to limit penetration of gas through a gap between the rotatable shaft and the housing; and a mounting ring that is shaped in a ring form and mounts the seal member to the housing. The mounting ring has: a ring portion, a one-side plate portion and an opposite-side plate portion which are formed from a single continuous plate material. The one-side plate portion and the opposite-side plate portion clamp the seal member therebetween and are joined together through the ring portion.