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:
Dec. 29, 2015
Filed:
Mar. 15, 2013
Kazuo Takahashi, Kitasaku-gun, JP;
Yoshihiko Soga, Kitasaku-gun, JP;
Tsuyoshi Misaizu, Kitasaku-gun, JP;
Kazuo Takahashi, Kitasaku-gun, JP;
Yoshihiko Soga, Kitasaku-gun, JP;
Tsuyoshi Misaizu, Kitasaku-gun, JP;
CITIZEN FINEDEVICE CO., LTD., Fujikawaguchiko, JP;
CITIZEN HOLDINGS CO., LTD., Tokyo, JP;
Abstract
An internal combustion engine fitted with a combustion pressure detection device includes: an internal combustion engine having a combustion chamber, a pressure detection device having a housing, a diaphragm, and a detection member, and having a shoulder part. The diaphragm is provided on the front end side of the housing and the detection member arranged inside the housing and behind the diaphragm, allowing it to detect the pressure working via the diaphragm. Also provided is a second seal member in a ring shape that seals the opening in the combustion chamber and the housing in the shoulder part of the housing in the pressure detection device.