About 121 results
https://drivepatents.com/patents/998986 · 29 Aug 2012
A spark plug (1) includes a tubular metallic shell (3) extending in the direction of an axis (CL1) and having a tool engagement portion (19) formed through extrusion. The tool engagement portion (19) has a 12-point shape which is a sectional shape taken or...
https://drivepatents.com/patents/999117 · 22 Aug 2012
[Objective] To provide a glow plug energization control unit which can stably operate a function of de-energizing an energizing FET when an ON failure occurs in the energizing FET. [Means for Solution] A GCU 31 includes an energizing FET 51 and a reverse c...
https://drivepatents.com/patents/999935 · 1 Aug 2012
Disclosed is a spark plug that prevents a sharp increase in resistance of a resistor and materializes an excellent load life performance. A spark plug (1) is provided with a resistor (7). The resistor (7) is formed by heat-sealing of a resistor composition...
https://drivepatents.com/patents/1000022 · 25 Jul 2012
Disclosed is a spark plug having an insulator capable of achieving good breakage resistance by modifying the state of contact of the insulator with a plate packing and the like without increase in insulator thickness. A spark plug 1 contains a ceramic insu...
https://drivepatents.com/patents/1000280 · 18 Jul 2012
Problem is to enhance the welding strength when a projecting shape section is resistance-welded to a ground electrode. A ground electrode 30 includes a ground electrode base material 35 and a projecting shape section 36. The projecting shape section 36 is ...
https://drivepatents.com/patents/1000790 · 4 Jul 2012
A generation of a stress corrosion cracking is prevented in a middle section. The spark plug 1 includes an insulator 2 that extends along an axis CL1 direction and a metal shell 3. The metal shell 3 includes a middle section 41 that is positioned between a...
https://drivepatents.com/patents/1001809 · 6 Jun 2012
In a spark plug that has a small sized center electrode, enhancement of corruption-resisting property and heat-resisting property is promoted. The spark plug 1 includes a center electrode 5, an insulator 2 and a metal shell 3, and the insulator 2 includes ...
https://drivepatents.com/patents/1001888 · 30 May 2012
A control apparatus (100) for a gas sensor (10) including a cell (2) composed of a solid electrolyte body and a pair of electrodes provided thereon which generates a sensor output corresponding to the concentration of a specific gas includes voltage applic...
https://drivepatents.com/patents/1006795 · 28 Dec 2011
A current of sufficient size to form plasma at ignition of a plasma jet ignition plug flows to a spark discharge gap while suppressing noise occurrence. There is provided an ignition apparatus of a plasma jet ignition plug, which includes a resistor R1, wi...
https://drivepatents.com/patents/1007112 · 14 Dec 2011
A GCU (21) includes calibration means (33) which supplies electric current to a glow plug (1) when an internal combustion engine EN to which the glow plug (1) is attached is stopped, to thereby obtain a pre-correction target resistance of the glow plug (1)...