Patents
Sitemap › H01 - Basic electric elements › H01T - Spark gaps; Overvoltage arresters using spark gaps; Sparking plugs; Corona devices; Generating ions to be introduced into non-enclosed gases › H01T 13 - Sparking plugs
Patents for H01T 13 - Sparking plugs (7,441)
12/1990
12/27/1990EP0302902A4 Electrical connector
12/25/1990US4980601 Igniter plug particularly for use in very low temperature liquid fuel
12/18/1990US4978309 Igniter cable connector
12/13/1990DE3918678A1 Starting aid for vehicle diesel engine - performs plasma ignition of condensed fuel film on insert surface near fuel jet
12/12/1990EP0401598A1 Centre electrode for sparking plugs of internal combustion engines
12/09/1990CA2018468A1 Method for making insulated conductor elements for electrically connecting electrical units to electrical signal generator, and element obtained through the said method
12/05/1990EP0400950A1 Spark plug
12/05/1990EP0378591A4 Spark plug temperature control
12/04/1990US4974559 Combustion system and combustion apparatus for internal combustion engine
11/1990
11/29/1990WO1990014705A1 Sensor for determining the combustion profile in an internal combustion engine
11/27/1990US4973877 Low-voltage type igniter plug having semi-conductor structure for use in jet and other internal combustion engines
11/27/1990US4972812 Internal combustion engine spark plug
11/27/1990US4972811 Complex metal oxide
11/22/1990EP0323956B1 Spark plug provided with a measurement device
11/15/1990DE3915113A1 Ignition system - for otto cycle engine with screened ignition coil on each spark plug
11/13/1990US4970427 Electrode arrangement for establishing a sustained electrical arc
11/13/1990US4970426 Spark plug for internal combustion engine
11/08/1990CA2015244A1 Spark plug having an encapsulated center firing electrode gap
11/07/1990EP0395638A1 Igniter plug with vibration damping means
10/1990
10/31/1990DE3913665A1 Pre-combustion chamber ignition unit with precombustion housing - is screwed in wall of main combustion chamber, and has standard sparking plug
10/31/1990CN2064951U Epithermal sparking plug
10/30/1990US4967116 Spark plug having heat- and corrosion-resistant surface
10/16/1990US4963784 Spark plug having combined surface and air gaps
10/16/1990US4963112 Treating noble metal facing on electrode with laser beams to form alloy zone
10/10/1990EP0390780A1 High-voltage switch.
10/03/1990EP0390065A1 Spark plug for internal combustion engine
10/03/1990CN2063302U Electrothermal ignitor for spark plug
10/03/1990CN1009840B Pt-base alloy for spark plug
10/02/1990US4960089 Combustion system
09/1990
09/26/1990CN2062904U Machine for removing carbon residue on spark plug
09/25/1990US4958515 For use in an internal combustion engine
09/19/1990EP0388024A1 Ignition cable terminal assembly
09/19/1990EP0387993A1 Internal combustion engine ignition apparatus having a primary winding module
09/19/1990EP0387992A1 Spark developing apparatus for internal combustion engines
09/19/1990CN2062507U Ceramic sparking plug
09/12/1990EP0386941A2 Spark plug and method
09/04/1990US4954743 Increased air flow
08/1990
08/28/1990US4952837 Surface gap type igniter plug
08/23/1990DE3905315A1 Electroconductive glass composition
08/22/1990EP0383661A1 Device for electrically connecting a cable, in particular one for ignition, with a terminal
08/21/1990US4951173 Creeping discharge type igniter plug
08/14/1990US4949006 Spark plug structure
08/14/1990US4947809 Ignition boot
08/09/1990WO1990009048A1 Spark plug for internal combustion engine
08/09/1990WO1990008948A1 Optical transmitter for producing an optical signal indicative of temperature
08/01/1990CN2060018U Internal capacitor type strong spark plug
07/1990
07/31/1990US4944280 Separated circuit hot spark producing apparatus
07/31/1990US4944259 Engine ignition system with an insulated and extendable extender
07/25/1990EP0378963A1 Spark gap element for shielded mounting
07/25/1990EP0378591A1 Spark plug temperature control.
07/18/1990EP0377972A1 Ignition terminal assembly
07/18/1990EP0377938A2 A spark plug structure
07/12/1990WO1990007811A1 Earth connection for the spark plugs in a vehicle multi-cylinder internal-combustion engine
07/11/1990CN1043832A Shaping method and mould of 4-layer-overlapped washer
07/04/1990EP0376147A1 Spark plugs for internal-combustion engines
07/03/1990US4939409 Spark plug with a surface discharge section
07/03/1990US4938705 Connection structure of high-voltage wiring for automobile engine
06/1990
06/26/1990US4937484 Sparking plug
06/05/1990US4931686 Copper core side electrode spark plug shell
06/05/1990US4930473 Swirl chamber and spark plug assembly
05/1990
05/30/1990EP0370837A1 Semiconducting ceramic composition and its use in the manufacture of spark plugs
05/30/1990CN1042624A Ignition plug for use in internal combustion engines and ignition process by using same
05/21/1990CA2003474A1 Semi-conductive ceramic composition and its use in the manufacture of spark plugs
05/15/1990US4926088 Igniters and methods of manufacture of igniters
05/15/1990US4926087 Cavity discharge igniter
05/15/1990US4925406 Electrical connector
05/15/1990US4924829 Apparatus for torch jet assisted spark ignition
05/09/1990CN1042032A Material and making technology for spark plug insulator
04/1990
04/24/1990CA1268020A1 Method for producing a composite center electrode for spark plug
04/17/1990CA1267930A1 Combustion initiation system employing hard discharge ignition
04/11/1990EP0362777A1 High tension cable device
04/10/1990US4916354 Spark plug for internal combustion engines
04/04/1990EP0361644A1 Method of manufacturing a semiconductor body for a low voltage type spark plug
04/03/1990US4914344 Spark plug for internal combustion engines
04/03/1990US4914343 Spark plug with counterelectrode having plural apertures in flat portion thereof
04/03/1990CA1267457A1 Connecting structure for high voltage resistance wires
03/1990
03/28/1990EP0360426A1 A method of moulding ceramic insulators for use in spark plugs
03/28/1990EP0360082A1 Sparking plug connector
03/20/1990US4910428 Electrical-erosion resistant electrode
03/20/1990US4909071 Spark plug pressure sensor
03/14/1990EP0358319A1 Copper core side electrode spark plug shell
03/08/1990WO1990002261A1 Ignition circuit with interference suppression
03/08/1990DE3840315C1 Ignition system
03/07/1990CN2054218U Spark plug with precombustion chamber
03/06/1990US4906889 Spark plug construction with temperature responsive ground wires
03/06/1990US4906438 Ni base alloy for spark plug electrodes of internal combustion engine
03/06/1990US4906202 Deep well ignition cable terminal assembly
03/01/1990DE3828805A1 Star spark plug for internal combustion engines
03/01/1990DE3828518A1 Spark plug with integrated ion current sensor
02/1990
02/27/1990US4904216 Process for producing the center electrode of spark plug
02/27/1990US4903675 Internal combustion engine ignition apparatus having a primary winding module
02/27/1990US4903674 Spark developing apparatus for internal combustion engines
02/21/1990EP0355052A1 Method for manufacturing a spark plug electrode
02/21/1990CN1039933A Method for manufacturing electrodes for spark plug
02/20/1990US4901688 Ignition plug for use in internal combustion engines and an ignition process by the use thereof
02/20/1990EP0339043A4 Formation of electric field discharges.
02/20/1990CA1266084A1 Engine ignition system with an insulated and extendable extender
02/07/1990EP0353222A1 Ignition device with lowered ignition temperature.
02/01/1990DE3916378A1 Legierung auf nickelbasis fuer die elektroden von zuendkerzen fuer brennkraftmaschinen Engine-alloy nickel-base for the electrodes of spark plugs
01/1990
01/31/1990EP0353196A1 Electroconductive cermet compositions for ignition and heating appliances
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