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:
Jan. 13, 2026
Filed:
Nov. 02, 2021
Fujikin Incorporated, Osaka, JP;
Nidec Copal Electronics Corporation, Tokyo, JP;
Atsushi Hidaka, Osaka, JP;
Takatoshi Nakatani, Osaka, JP;
Kaoru Hirata, Osaka, JP;
Kouji Nishino, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
Masaki Fukasawa, Sano, JP;
FUJIKIN INCORPORATED, Osaka, JP;
NIDEC COPAL ELECTRONICS CORPORATION, Tokyo, JP;
Abstract
The pressure sensorcomprises: a bottomed cylindrical sensor modulehaving inside a pressure receiving chamber Ccommunicating with a flow path and including a diaphragma in contact with the pressure receiving chamber; a pressure detecting elementfor outputting a strain of the diaphragma as a pressure; a base ringfixed at an outer edge of an open-side end partc of the sensor module and disposed on an outer peripheral side of the sensor module; a hermetic memberfixed to the base ringfor forming a sealed vacuum chamber Copposite to the pressure receiving chamber Cacross the diaphragma; a gasketsandwiched between the base ringand a body; and a pressing flangefor pressing the base ringto the bodythrough the gasket