About 121 results
https://drivepatents.com/patents/980298 · 1 Jan 2014
A glow plug with a combustion pressure sensor is improved in airtightness between the same and a combustion chamber. The glow plug 100 includes a housing having a substantially tubular metallic shell extending in an axial direction and a substantially tubu...
https://drivepatents.com/patents/980246 · 1 Jan 2014
Disclosed is the structure of a glow plug with a combustion pressure sensor which includes a heater unit which is reduced in diameter stepwise. In the structure, the area of a member connecting the heater unit to a housing is made sufficiently large, so th...
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/980166 · 1 Jan 2014
A glow plug with a pressure sensor including a heater member (4) having a heating element (9) disposed therein and projecting from a forward end of a metallic shell (2), a center rod (3) having, at its forward end, a connection portion (3A) to which a rear...
https://drivepatents.com/patents/980806 · 18 Dec 2013
A combustible gas detection device includes an energization control circuit which performs a control operation of switching the state of energization of a heat generation resistor every time a predetermined period of time elapses such that the heat generat...
https://drivepatents.com/patents/982004 · 13 Nov 2013
[Object] To provide a glow plug such that corrosion of connecting surfaces of a conductive member and a terminal member is suppressed, and a method for manufacturing the same. [Means for Solution] A glow plug 1 is provided with: a heater 2; a tubular main ...
https://drivepatents.com/patents/983616 · 9 Oct 2013
An ignition device (100) includes a power supply (2) for discharge; an AC power supply (3); an ignition coil (41) for generating a secondary voltage in a secondary coil (41B); an ignition plug (1) connected to the secondary coil (41B); an AC electrode (43)...
https://drivepatents.com/patents/983965 · 2 Oct 2013
An object of the present invention is to provide a technique of improving the life of a spark plug which generates spark discharge and AC plasma. A plasma ignition device 20 includes a power control section 510 which reduces AC power P after generation of ...
https://drivepatents.com/patents/986472 · 25 Sep 2013
A plasma ignition device 20 includes a spark plug 100, a DC power supply 210, an AC power supply 220, and a coupling section 300. The coupling section 300 includes a capacitor 320 which electrically connects the AC power supply 220 to the spark plug 100. T...
https://drivepatents.com/patents/984411 · 28 Aug 2013
[Objective] To more reliably prevent a deterioration of a seal member due to heat. [Means for Solution] A glow plug 1 includes a cylindrical housing 2, having an axial hole 7 extending in a direction of an axis CL1, which includes an external thread portio...