U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 123/620 - Additional spark energy supply


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the ignition system includes a device,
No. of patents: 185
Last issue date: 06/08/2010


1          
NumberTitleIssue Date
7730880Ignition apparatus for internal combustion engine
There is obtained an ignition apparatus, for an internal combustion engine, that can make a predetermined output current flow in a stable manner so that the combustion state of the internal combustion engine can always be maintained in a good condition, even in the ...
06/08/2010
7685999Ignition control device for internal combustion engine
An ignition control device for controlling a multi-spark operation comprises: a secondary electric energy generator generating an electric energy to reignite an air fuel-mixture associated with an internal combustion engine during the multi-spark operation; a switch...
03/30/2010
7404396Multiple discharge ignition control apparatus and method for internal combustion engines
In a multiple discharge ignition control apparatus, a battery, an energy storage coil and a first IGBT are connected in series. Further, the energy storage coil, a diode, a primary coil and a second IGBT are connected in series. The energy storage coil is connected ...
07/29/2008
7401603High tension capacitive discharge ignition with reinforcing triggering pulses
A capacitive discharge ignition system in which a controllable switch is positioned between a storage capacitor and the primary winding of an ignition transformer. The switch is controlled to create a train of pulses to the primary winding timed to reinforce the rin...
07/22/2008
7392798Multiple-spark ignition system for internal combustion engine
An ignition system for an internal combustion engine includes an ignition coil, electric power supply circuit, a switching transistor, engine condition detecting element or unit that detects a signal relating to flow speed of air-fuel-mixture gas in the engine, and ...
07/01/2008
7387115Plasma ignition system
A plasma ignition system has an electromagnetic noise reduction circuit in addition to a discharge power circuit, a plasma generating power circuit, a plasma ignition plug, a discharging wire and a plasma generating wire. The noise reduction circuit includes a first...
06/17/2008
7372056LPP EUV plasma source material target delivery system
An EUV light generation system and method is disclosed that may comprise a droplet generator producing plasma source material target droplets traveling toward the vicinity of a plasma source material target irradiation site; a drive laser; a drive laser focusing opt...
05/13/2008
7368741Extreme ultraviolet light source
The present invention provides a reliable, high-repetition rate, production line compatible high energy photon source. A very hot plasma containing an active material is produced in vacuum chamber. The active material is an atomic element having an emission line wit...
05/06/2008
7365351Systems for protecting internal components of a EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
04/29/2008
7365349EUV light source collector lifetime improvements
An apparatus and method for cleaning a plasma source material compound from a plasma produced EUV light source collector optic which may comprise reacting the plasma source material compound with hydrogen to form a hydride of the plasma source material from the plas...
04/29/2008
7355300Solid state turbine engine ignition exciter having elevated temperature operational capability
A turbine engine ignition exciter circuit applies energy stored in the exciter tank capacitor to the load (igniter plug) through a thyristor type semiconductor switching device that minimizes leakage current at elevated operating temperatures. The semiconductor swit...
04/08/2008
7355191Systems and methods for cleaning a chamber window of an EUV light source
Systems and methods are disclosed for cleaning a chamber window of an extreme ultraviolet (EUV) light source. The window may have an inside surface facing a chamber interior and an opposed outside surface and the light source may generate debris by plasma formation....
04/08/2008
7353813Spark ignition engine, controller for use in the engine, ignition coil for use in the engine
An engine generating two or more ignition sparks by the same spark plug, which can avoid a torque reduction caused by misfire of main ignition, can start firing and burning at proper timing depending on operating conditions, and can reduce misfires. A novel controll...
04/08/2008
7347195Method and device for controlling the current in a spark plug
The present invention relates to a method of controlling the spark current in a spark plug (8), comprising a voltage source (1; 14), an ignition system (2) connected to the voltage source, and a spark plug (8) connected to the ignition sy...
03/25/2008
7341051Electronic high frequency plasma catalyzer
The catalyzer is applicable in the ignition of gasoline engines of transportation vehicles, generates, stand alone and stationary machines and others. Its advantage is that it has a higher quality of the ignition and an increased efficiency. The first version of the...
03/11/2008
7320317Auxiliary device for engine spark plug ignition
An auxiliary device for sparkplug ignition is provided having a case, and provided therein, electrolytic capacitors connected in parallel between ground terminals and positive terminals of the primary coils of the ignition coils, which are connected to sparkplugs in...
01/22/2008
7317196LPP EUV light source
An apparatus and method is described for effectively and efficiently providing plasma irradiation laser light pulses in an LPP EUV light source which may comprise a laser initial target irradiation pulse generating mechanism irradiating a plasma initiation target wi...
01/08/2008
7291853Discharge produced plasma EUV light source
An DPP EUV source is disclosed which may comprise a debris mitigation apparatus employing a metal halogen gas producing a metal halide from debris exiting the plasma. The EUV source may have a debris shield that may comprise a plurality of curvilinear shield members...
11/06/2007
7267115Ignition apparatus for an internal combustion engine
The ignition apparatus includes an electronic control unit and an igniter. The igniter detects ions resulting from ignition, and sends an ion current output signal to the electronic control unit. The igniter has a waveform shaping circuit and an ion current detectin...
09/11/2007
7252078Spark plug connector
A spark plug connector, in particular for large engines, includes an inductive interference suppression device having a ferromagnetic core. The inductive interference suppression device also has at least one winding, preferably a coil, and an ohmic d.c. resistance o...
08/07/2007
7251571Methods of diagnosing open-secondary winding of an ignition coil using the ionization current signal
In a first embodiment, the present invention is a method of detecting an open secondary winding, including the steps of enabling an integrator, resetting the integrator, detecting an ionization current, integrating the ionization current over a spark window, compari...
07/31/2007
7247870Systems for protecting internal components of an EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
07/24/2007
7242195Integral spark detector in fitting which supports igniter in gas turbine engine
A system for detecting spark in an igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an inductive pick-up is positioned adjacent the igniter, to detect current pulses in the ign...
07/10/2007
7240670Extended duration high-energy ignition circuit
A follow-on circuit for extending the duration of the spark provided by a spark plug. The circuit is connected between the coil secondary and the spark gap, and has a capacitor that discharges to the point of connection through a resistor and inductor. The resistor ...
07/10/2007
7224330Method of connecting a plasma panel to the electrical power supply therefor in an image display device
The invention relates to a device comprising a metallic support plate, the front face of which supports a plasma discharge panel which is equipped with a network of pairs of adjacent electrodes and the rear face of which is equipped with a power supply. According to...
05/29/2007
7217941Systems and methods for deflecting plasma-generated ions to prevent the ions from reaching an internal component of an EUV light source
A system is disclosed for protecting an internal EUV light source component from ions generated at a plasma formation site. In one aspect, the system may comprise a plurality of foil plates and an arrangement for generating a magnetic field to deflect ions into one ...
05/15/2007
7196342Systems and methods for reducing the influence of plasma-generated debris on the internal components of an EUV light source
Systems and methods are disclosed for reducing the influence of plasma generated debris on internal components of an EUV light source. In one aspect, an EUV meteorology monitor is provided which may have a heater to heat an internal multi-layer filtering mirror to a...
03/27/2007
7193228EUV light source optical elements
Apparatus and methods are disclosed for forming plasma generated EUV light source optical elements, e.g., reflectors comprising MLM stacks employing various binary layer materials and capping layer(s) including single and binary capping layers for utilization in pla...
03/20/2007
7180083EUV light source collector erosion mitigation
An EUV light source collector erosion mitigation system and method is disclosed which may comprise a collector comprising a multilayered mirror collector comprising a collector outer surface composed of a capping material subject to removal due to a removing interac...
02/20/2007
7168406Ignition spark enhancing system and devices therefor
An ignition spark enhancing system and devices which, in one aspect, establish the electrical path between a spark source (e.g. an ignition coil) and a spark plug, and in another aspect, between a power source (e.g. battery) and an ignition coil and, in a third aspe...
01/30/2007
7157861Push-pull inverter circuit
The present invention discloses a push-pull inverter circuit comprising a transformer with a power output end coupled to a load and two power input ends, and a power driver unit is connected between the two power output ends and a power supply unit, and the power dr...
01/02/2007
7148780Twin spark pencil coil
An ignition apparatus having twin spark high-voltage outputs incorporates features of a pencil coil wherein at least a portion of a transformer assembly is disposed within a spark plug well when installed in an internal combustion engine, thereby reducing the space ...
12/12/2006
7141806EUV light source collector erosion mitigation
An EUV light source collector erosion mitigation method and apparatus for a collector comprising a multilayered mirror collector comprising a collector outer surface composed of a capping material subject to removal due to a removing interaction with materials creat...
11/28/2006
7137385Device to provide a regulated power supply for in-cylinder ionization detection by using the ignition coli fly back energy and two-stage regulation
This feature of the present invention comprises a method and apparatus that provides a regulated power supply for in-cylinder ionization detection by harvesting the excess ignition coil leakage and magnetizing energy immediately following the turn off of the ignitio...
11/21/2006
7121270Spark generation method and ignition system using same
An ignition system providing power and duration controlled ignition spark, comprises a spark controller, first switching energy accumulator, storage capacitor, and second switching energy accumulator with an ignition coil. The ignition system utilizes dual means of ...
10/17/2006
7122816Method and apparatus for EUV light source target material handling
An EUV light source plasma source material handling system and method is disclosed which may comprise a droplet generator having a droplet generator plasma source material reservoir in fluid communication with a droplet formation capillary and maintained within a se...
10/17/2006
7109503Systems for protecting internal components of an EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
09/19/2006
7055372Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging
The present feature of the invention comprises a method and apparatus for determining cylinder ID. When a cylinder is compressed, the resistance increases across the spark plug gap. Thus, if a spark coil is only partially charged before activation of the spark, the ...
06/06/2006
7051723Ignition spark enhancing device
An ignition spark enhancing device and spark plug wire disposed in or establishing the electrical path between a spark source and a spark plug of an internal combustion engine. The device includes one or more coils of conductive hollow tubing formed from a length of...
05/30/2006
7036494Ignition enhancement device for enhancing ignition efficiency of car engine
An ignition enhancement device for enhancing ignition efficiency of car engine is installed between a high voltage wire and a spark plug. The ignition enhancement device has a capacitor. Two sides of the capacitor are connected to two metal conductive rods. An insul...
05/02/2006
1          
 
Sign InRegister
Username  
Password   
forgot password?