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. 11, 2017
Filed:
Oct. 23, 2014
Applicant:
Ngk Spark Plug Co., Ltd., Nagoya, Aichi, JP;
Inventors:
Tomonari Hatta, Aichi, JP;
Yoshihiro Nakamura, Aichi, JP;
Assignee:
NGK SPARK PLUG CO., LTD., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 15/00 (2006.01); F23Q 7/00 (2006.01); F02P 19/02 (2006.01); G01L 23/10 (2006.01); B23K 15/00 (2006.01); B23K 26/28 (2014.01); G01L 7/00 (2006.01); G01L 23/08 (2006.01);
U.S. Cl.
CPC ...
F23Q 7/001 (2013.01); B23K 15/0006 (2013.01); B23K 26/28 (2013.01); F02P 19/028 (2013.01); G01L 7/00 (2013.01); G01L 23/08 (2013.01); G01L 23/10 (2013.01); F23Q 2007/002 (2013.01); F23Q 2007/005 (2013.01);
Abstract
A combustion pressure sensor having a tubular housing extending in an axial direction DX, a displacement member disposed within the housing, and a tubular connection member which elastically connects the displacement member to the housing. The combustion pressure sensor has a housing weld Wthat connects the housing and the connection member At least a circumferential portion of the housing weld is a bulge housing weld RWwhich bulges in a radial direction DR.