About 16 results
https://drivepatents.com/patents/940144 · 20 Jul 2016
A detection section includes first and second conductors embedded in a ceramic substrate and is attached such that the substrate is exposed to a space in which ions are generated as a result of combustion of fuel. A measurement section measures the value o...
https://drivepatents.com/patents/944642 · 13 Apr 2016
[Objective] To prevent, in a glow plug, measurement errors of the pressure detected based on displacement of a heater portion. [Means for Solution] A glow plug includes: a heater portion having a rod shape extending from a front side toward a rear side in ...
https://drivepatents.com/patents/960065 · 17 Jun 2015
To provide a pressure sensor integrated glow plug that suppresses the build-up of carbon and SOF in an interstice between a housing and a heater element to thereby ensure that the heater element is not restrained over a long period of time. [0002] A pressu...
https://drivepatents.com/patents/952039 · 11 Mar 2015
A coupling member 180 of a glow plug 100 includes a first bend 183 and a second bend 184 folded in an axis direction OD and a joint section 185 in a tapered shape configured to connect the first bend 183 with the second bend 184 and reduce the diameter tow...
https://drivepatents.com/patents/967784 · 5 Nov 2014
Provided is a ceramic glow plug equipped with a pressure sensor configured such that, even though a movable member having small heat transfer quantity is employed, deterioration in joining strength at a joint part between the movable member and a portion t...
https://drivepatents.com/patents/976016 · 16 Apr 2014
The invention concerns a pressure sensing plug for measuring a cylinder pressure prevailing in a chamber of a cylinder of a piston(s) machine, comprising a body (13), a pressure sensor arranged to be subjected to said cylinder pressure and adapted to suppl...
https://drivepatents.com/patents/980234 · 1 Jan 2014
[Objective] To provide a glow plug having a combustion pressure sensor whose accuracy in sensing combustion pressure is improved by preventing instantaneous, anomalous thermal expansion of a seal member (holding member) which is caused by combustion gas wh...
https://drivepatents.com/patents/985986 · 20 Feb 2013
A glow plug in which a convex portion (70) is formed in an outer peripheral surface (10b) of a heater (10) in a part facing an inner peripheral surface (137b) of a leading end part (137) of a housing (110) and interposed in a leading end side annular gap K...
https://drivepatents.com/patents/1003032 · 25 Apr 2012
A piezo-resistive pressure-measuring plug (1) for a combustion engine for measuring a pressure is disclosed. The pressure-measuring plug comprises a plug body (2) and a sensing structure (4). The plug body comprises a threaded plug body part (2a) comprisin...
https://drivepatents.com/patents/1005239 · 15 Feb 2012
The glow plug (1) has a built-in sensor and a pressure sensor integrated in a housing (2) in an electrical manner. The housing is made of an insulating material. The housing has an extending guide projection (6) for the electrically insulating material. Th...