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. 02, 2024
Filed:
Aug. 06, 2021
Nippon Thermostat Co., Ltd., Kiyose, JP;
Nippon Thermostat Co., Ltd., Tokyo, JP;
Abstract
A pressure-reducing valveincludes a tubular valve bodymovably accommodated in a housing, a valve seatfixed inside the housing, and an urging memberthat urges the valve bodyin a direction separating from the valve seat. The valve seatincludes an annular elastic member (O-ring) capable of abutting against the valve body, an annular portion (inner ring portion) that covers an outer periphery of the elastic member, an inner peripheral portiondisposed on an inner periphery of the elastic member, a connecting portion (closing plate portion) that connects the annular portion and the inner peripheral portion, and a detachment prevention portion provided in at least one of the inner peripheral portionand the annular portion on a valve body side to prevent the elastic member from detaching from the annular portion.