About 121 results
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/993281 · 6 Feb 2013
To provide a heater energization control apparatus which can detect that a heater has been exchanged. When an engine is stopped, a microcomputer of a GCU enters a power save mode. When the microcomputer returns to a normal mode in response to an interrupti...
https://drivepatents.com/patents/993038 · 6 Feb 2013
[Objective] An objective of the present invention is to provide a technique which can improve resistance to spark ablation of an electrode tip whose predominant component is Pd and restrains occurrence of separation and cracking of the electrode tip. [Mean...
https://drivepatents.com/patents/993984 · 16 Jan 2013
Provided is a spark plug that is excellent not only in salt resistance but also in stress corrosion cracking resistance. The spark plug includes a metal shell covered by a composite layer including a nickel plating layer and a chromate layer formed on the ...
https://drivepatents.com/patents/994492 · 2 Jan 2013
One object of the invention is to provide a plug cap that more reliably prevents the leakage of current by suppressing the ingress of water from a gap between a terminal body and a rubber member. A plug cap 1 includes an electrical connection portion 5 tha...
https://drivepatents.com/patents/994744 · 26 Dec 2012
Breakage of a center electrode, etc., is more reliably prevented, and the effect of improving ignition performance and durability associated with provision of a noble metal tip is sufficiently exhibited. A spark plug 1 includes a ceramic insulator 2, a cen...
https://drivepatents.com/patents/996026 · 14 Nov 2012
A particulate detection system (1, 2, 3) detects the quantity of particulates S contained in exhaust gas EG discharged from an internal combustion engine ENG and flowing through an exhaust pipe EP. The system (1, 2, 3) includes a detection section (10) att...
https://drivepatents.com/patents/996421 · 31 Oct 2012
[Objective] An object is to provide a gas sensor apparatus which can start deterioration determination for a cell at an early timing and can perform the deterioration determination for the cell accurately, and a method of controlling the gas sensor apparat...
https://drivepatents.com/patents/997046 · 17 Oct 2012
An ignition system wherein creation of misfires is suppressed and excellent ignition ability is realized. The ignition system includes a spark plug; a discharge power source applying a voltage in order to generate a spark discharge at the spark plug; an AC...
https://drivepatents.com/patents/998330 · 12 Sep 2012
In an oxygen sensor control apparatus, after start of fuel cut, the weighted average Ipd of corrected values obtained by multiplying the output value of a mounted oxygen sensor by a correction coefficient Kp is obtained as a representative value Ipe, repre...