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公开(公告)号：US10167864B2
公开(公告)日：2019-01-01
申请号：US15717247
申请日：2017-09-27
Applicant: KEIHIN CORPORATION
Inventor： Yuya Ohgane , Ryuji Aoki
Abstract: A valve seat has a fixing portion fixed to the body, an abutting portion where the suction valve body abuts, and a constricted portion which is provided between the fixing portion and the abutting portion and has rigidity lower than that of the fixing portion and the abutting portion.
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