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7628130 Ignition spark plug  
An ignition plug is disclosed which includes a hollow main cell having a bendable extension part and a primary combustion chamber, an insulator mounted in the main cell, to insulate a terminal rod...
7169723 Ceramic with improved high temperature electrical properties for use as a spark plug insulator  
A ceramic includes alumina in an amount between about 90 and about 99% by weight, a zirconium containing compound in an amount between about 0 and about 1% by weight, and an oxide mixture in an...
6831396 Spark plug with glaze and marking  
The present application is to provide a spark plug where a marking layer 2 m under a glaze layer 2 d can form a color stably, even if the Pb amount is decreased in the glaze layer. The glaze...
6794802 Spark plug for an internal combustion engine and method for producing a spark plug  
The seal between the insulator and the center electrode is to be improved in a spark plug for an internal combustion engine comprising a shell ( 12 ), an insulator ( 16 ) located in the shell and...
6693053 Glass and glass powder mixture and use thereof for the production of a glass ceramic  
A glass or glass powder is fused from a starting mixture containing approximately 38 wt % to 48 wt % SO 2 , 15 wt % to 19 wt % Al 2 O 3 , 4.5 wt % to 11 wt % TiO 2 , 0 wt % to 1.5 wt % Na 2 O, 0 wt...
6559579 Alumina-based sintered body insulator for spark plugs  
An insulator for spark plug comprises an alumina-based sintered body comprising: Al 2 O 3 as a main component; and at least one component (hereinafter referred to as “β component”) selected...
6426586 Contact glass composition for use in spark plugs  
A contact glass composition for use in resistor-type spark plugs is described. The contact glass composition is a mixture of: (a) at least one metal; (b) graphite; and (c) silicon. Additionally,...
6232703 Multiple electrode igniter  
An igniter for a combustor of a gas turbine comprises a ground shell electrical conductor which provides the electrical ground path back to the spark source. The spark source connects to the...
6078130 Spark plug with specific construction to avoid unwanted surface discharge  
A spark plug for an internal combustion engine comprises a tubular metal ground shell, a first electrode passing through the interior of the shell, a ceramic insulator sealing the space between the...
5852340 Low-voltage type igniter plug having a semiconductor for use in jet and other internal combustion engines and a method of making the semiconductor  
An igniter plug is disclosed for use in jet and other internal combustion engines. The igniter plug has a center electrode having a firing tip, which is mounted within an insulator which in turn is...
5793151 Creeping discharge spark plug  
A spark plug in use for an internal combustion engine, includes an insulator placed in a metal shell in a manner to extend its front end beyond the metal shell, a center electrode is placed within...
5760532 Sintered ceramic body for a spark plug  
In a spark plug insulator made of a sintered ceramic body, including aluminum nitride (AlN) or aluminum oxynitride (AlON) ceramic powder having an average grain size of 1.5 μm in which the oxygen...
5550424 Spark plug for internal combustion engines  
A spark plug for igniting fuel/air mixtures in internal combustion engines, in particular in internal combustion engines of motor vehicles. On its insulating-body foot, the spark plug has a coating...
5506474 Compact fluorescent lamp using a light reflecting adhesive material  
A compact fluorescent lamp having a lamp envelope with a plurality of lamp ends disposed within a housing or base configuration, utilizes an enhanced adhesive material for securing the lamp...
5476695 Sparking plug cap  
A sparking plug cap for internal combustion engines which is made of a resin selected from the group consisting of an alloy of polyphenylene sulfide and polyphenylene oxide, polyarylate, polyether...
5469013 Large discharge-volume, silent discharge spark plug  
A large discharge-volume spark plug for providing self-limiting microdischarges. The apparatus includes a generally spark plug-shaped arrangement of a pair of electrodes, where either of the two...
5449966 Double sliding spark plug - thunder II  
A Double Sliding Spark Plug as a Volume Ignition System for Internal Combustion Engines causes ignition processes of the air-fuel mixture by two simultaneously conical or cylindrical sliding...
5210458 Spark plug  
A spark plug with integral electrical components for producing a spark with an increased size and a larger resulting flame kernel in an internal combustion engine. One or more coils may be built...
5187404 Surface gap igniter  
An improved low voltage igniter of the type having an annular spark gap between a center electrode and annular ground electrode which is arranged coaxial with the center electrode. The spark gap is...
5128583 Spark plug insulator structure  
A spark plug is disclosed having a metal body 18, a center electrode 16 and an insulator 14 surrounding the center electrode, the part of the insulator disposed within the combustion chamber being...
4962753 A method and device for improving the discharge regime between two electrodes  
The invention relates to a method and to a device for improving the dische regime of an electric arc produced between two electrodes. The device is characterized in that it includes means an...
4939409 Spark plug with a surface discharge section  
A spark plug with a surface discharge section for internal combustion engines comprising an insulation body having an inner cavity for receiving a mass of an electrically conductive material, and a...
4881913 Extended life spark plug/igniter  
A spark plug has a center electrode and a side electrode made of an iron-base, heat resistant (iron, chromium, aluminum, rare earth) alloy. Each electrode has a precious metal insert of a...
4814664 Igniter with wear indicator  
A wear indicator for an igniter of the type having a center electrode, an annular ground electrode surrounding the center electrode, and a spark gap between the electrodes extending along a surface...
4795937 Spark plug with combined surface and air spark paths  
In a spark plug with combined surface and air spark paths comprising a center electrode, and insulator which surrounds the center electrode and which, at least in the end region of the center...
4730582 Performing spark plug  
A spark plug for an internal combustion engine which utilizes an annular round ring surrounding the center electrode. Surrounding the center electrode is a fire hole which includes an enlarged...
4713574 Igniter electrode life control  
The prevention of electrode material erosion by undercutting in the outer electrode shell of igniter electrodes of jet engine ignition systems is prevented by the application of an electrical...
4695758 Small-sized spark plug having a spark gap parallel to an axis running through the center electrode  
A small-sized spark plug for internal combustion engines is disclosed which is composed of a center electrode having a shaft portion surrounded by an insulator layer and a terminal end portion...
4692657 Spark plug for an otto-type internal combustion engine  
To reduce erosion of a platinum-containing electrode layer (3, 14) applied to the end face of the center insulator (1, 11) of the spark plug, a protective layer of ceramic, preferably aluminum...
4639635 Spark plug  
The invention relates to a spark plug (1) comprising at least two insulated electrodes (5) and (6), an earthed electrode (7) and a chamber (4) so arranged with respect to one another that when a...
4631451 Blast gap ignition system  
A spark plug for an ignition system has a ring gap between two electrodes. A first electrode has a ring shape defining a central opening. A second electrode is positioned within the central opening...
4514657 Spark plug having dual gaps for internal combustion engines  
A spark plug for spark ignition type internal combustion engines includes an earth electrode formed of a heat-resisting metal, a central electrode, and a supplementary electrode provided on the...
4476412 Spark plug  
A spark plug having center and ground electrodes. One of the electrodes is covered with an insulator, a part of which includes outer and inner insulating layers. The outer insulating layer is...
4439707 Spark plug with a wide discharge gap  
A spark plug with a wide discharge gap includes an insulating layer formed on one or the other of its center and ground electrodes and disposed in the gap between the electrodes. The insulating...
4427914 Sparkplug with improved antifouling performance  
A sparkplug having an improved antifouling performance and in which a decrease in insulation resistance is prevented, even if an electrically conductive material is deposited on the firing surface...
4337408 Plasma jet ignition plug  
A plasma jet ignition plug wherein a film of semiconductor or a semiconductor oxide defines together with a first rod-shaped electrode and a second electrode a plasma cavity.
4330732 Plasma ceramic coating to supply uniform sparking action in combustion engines  
The present invention provides a hot spark that is more-or-less uniform over the combustion chamber volume in a liquid oxidant/liquid fuel combustion engine. In addition, heat losses are reduced...
4307061 Self-recovering soot detector, particularly to monitor carbon content in diesel engine exhaust gases  
An insulating support body, for example an aluminum oxide ceramic, supports two electrodes spaced from each other by a small gap, for example 0.1 mm, which will have therebetween a high resistance....
4131817 Spark plug power enhancer  
A spark plug power enchancer for internal combustion engine comprises a secondary spark gap produced between spaced electrodes separated by a dielectric material formed of a sea shell.
3890518 Spark ignition plug  
A spark ignition plug comprises an inner electrode 13 a portion 15 of which is formed from tungsten and an outer electrode 12, there being an air gap disposed between the electrodes. The tungsten...
3890519 Spark discharge plugs  
A spark discharge plug comprises an outer annular electrode and an inner electrode, the two electrodes in use being connected to a source of electric supply, an annular air gap intermediate the...
3581141 SURFACE GAP SPARK PLUG  
A surface gap spark plug having improved resistance to fouling is described. A method of operating an internal combustion engine and other devices, which utilize a fuel containing an organometallic...
3567987 SPARK PLUG CONSTRUCTION  
A spark plug construction of a type for use in a cylinder of an internal combustion engine includes a plurality of three concentric electrodes forming a pair of spark gaps. An annular resistance...
3558959 SILICON CARBIDE SEMI-CONDUCTOR IGNITER STRUCTURE  
Igniter for jet and other internal combustion engines with a hot pressed, ceramic, electrically semiconducting button disposed between a center electrode and a ground electrode to provide a path...
3522167 ELECTROHYDRAULIC STERILIZING APPARATUS  
3450929 SPARK GAP DEVICE HAVING INSULATORS IN THE FORM OF PLASTERS  
3356888 Two-electrode spark gap with interposed insulator  
3354344 Fluid-working spark discharge electrode assembly  
3313972 Spark plug with combined high tension gap and creepage spark gap  
3300672 Spark plug with anti-fouling means and fixed spark gap  
Matches 1 - 50 out of 68 1 2 >