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

Icon_funbox Bizarre Patents

Patent No. 5593111

Safety System For Remove a Rider From a Vehicle by Deploying a Parachute

Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.

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 123/636 - Multiple spark ignition system


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the ignition system induces a plurality
No. of patents: 28
Last issue date: 04/30/2013


NumberTitleIssue Date
8430084Method for operating a multi-spark ignition system, and multi-spark ignition system
A method for operating a multi-spark ignition system in an engine system includes: receiving time information regarding a multi-spark phase; cyclical charging of an ignition coil of an ignition device, and discharging of the ignition coil via a spark plug of the ign...
04/30/2013
8240297Direct-start engine operation utilizing multi-strike ignition
A method for engine starting is provided. The method may include performing idle-stop operation, and during a subsequent re-start, applying multi-strike ignition operation for a first combustion cycle. In this way, improved engine starting may be achieved with reduc...
08/14/2012
8047188Direct-start engine operation utlizing multi-strike ignition
A method for engine starting is provided. The method may include performing idle-stop operation, and during a subsequent re-start, applying multi-strike ignition operation for a first combustion cycle. In this way, improved engine starting may be achieved with reduc...
11/01/2011
7886729First and second spark plugs for improved combustion control
An engine system includes two spark plugs in a cylinder of an engine. The two spark plugs have different heat ranges in order to address pre-ignition, where only a first spark plug operates during a first condition, and only a second spark plug operates during a sec...
02/15/2011
7827975Direct-start engine operation utilizing multi-strike ignition
A method for operation of a vehicle having an internal combustion engine is provided. The internal combustion engine may include one or more combustion chambers, a fuel delivery system including a direct fuel injector coupled to each combustion chamber, an ignition ...
11/09/2010
7810478System and method for facilitating homogeneous charge compression ignition
A method of transitioning between homogeneous charge compression ignition and spark ignition in a combustion chamber of an engine that is configured for homogeneous charge compression ignition under at least some engine operating conditions and for spark ignition un...
10/12/2010
7095181Method and apparatus for controllably generating sparks in an ignition system or the like
An apparatus for controllably generating sparks is provided. The apparatus includes a spark generating device; at least two output stages connected to the spark generating device; means for charging energy storage devices in the output stages and at least partially ...
08/22/2006
7004120Opposed piston engine
A four-stroke opposed piston engine includes a rotating cylinder with a circumference and an aperture defined through the circumference, first and second opposing pistons, optional first and second opposing cylindrical spacers, first and second opposing piston caps,...
02/28/2006
6948474Cylinder direct injection type internal combustion engine
An internal combustion engine which injects fuel directly into a cylinder 104 and ignites air-fuel mixture formed in the cylinder, wherein each fuel injection of said internal combustion engine comprises a lead spray 105 which moves faster and a...
09/27/2005
6814065Control apparatus for staggered spark plug firing in a dual-plug spark ignition engine
Staggered firing of first and second spark plugs in a dual-plug spark ignition engine is achieved by apparatus that fires the first spark plug based on an output signal produced by an engine control module and firing the second plug based on the output of a delay co...
11/09/2004
6694959Ignition and injection control system for internal combustion engine
During a multiple discharges operation, a micro computer changes a discharge period of each discharge in accordance with a pressure transition in a combustion chamber of an internal combustion engine. Thus, the energy amount consumed at each discharge of ...
02/24/2004
6557537Ion current detection system and method for internal combustion engine
A battery, an energy charge inductance, and a first transistor are connected in series in an ignition system. A primary winding and a second switching device are connected in series between the ground and a point between the energy charge inductance and t...
05/06/2003
6267107Squishinduced turbulence generating colliding flow coupled spark discharge in an IC engine
An improved ignition-combustion system for internal combustion engines comprising a compact combustion chamber zone (4) in the engine cylinder head (6) mainly under the exhaust valve (8) and with large air-squish zones (124a, 124b) formed at the edge of t...
07/31/2001
6085733Ignition control system for engine
A direct cylinder injected engine in several different embodiments which are specifically illustrated as two-cycle engines but which can also be used in four-cycle engines. The fuel injector is positioned so as to minimize escape of fuel from the exhaust ...
07/11/2000
6035824Internal combustion engine having a direct injection combustion chamber
Disclosed is an internal combustion engine having a direct injection combustion chamber. The internal combustion engine includes a fuel injector mounted in a cylinder head at substantially a center of the combustion chamber; an intake port and an exhaust ...
03/14/2000
5842456Programmed multi-firing and duty cycling for a coil-on-plug ignition system with knock detection
An ignition system for multi-firing a spark plug of a spark ignition internal combustion engine and for detecting auto-ignition utilizing the spark plug as a feedback element. The ignition system includes a pulse transformer connected to a spark plug, a d...
12/01/1998
5148084Apparatus and method for providing ignition to a turbine engine
A unipolar ignition of the invention provides a current waveform at the ignitor plug which initially rises relatively slowly, followed by a transition to a fast rising current which quickly peaks and thereafter slowly dissipates. Such a current waveform p...
09/15/1992
5107817Method of associating ignition signals with a reference cylinder
Methods for associating ignition signals with a reference cylinder in multiple-spark ignition systems of internal combustion engines with externally supplied ignition are proposed; different signal levels for the primary and supporting sparks are used in ...
04/28/1992
4774914Electromagnetic ignition--an ignition system producing a large size and intense capacitive and inductive spark with an intense electromagnetic field feeding the spark
An Electromagnetic Ignition system suitable for adaptation to standard automobile engines including diesel engines, which has been improved by means of a high efficiency RF capacitive spark plug with a projecting antenna tip used for forming very large sp...
10/04/1988
4653459Method and apparatus for igniting a combustible mixture, especially gasoline-air in the combustion chamber of an internal combustion engine
The energy transfer derived from the ignition spark in the first or breakdown phase of a sparking event is matched to the speed of propagation of the ignition or flame front within the combustion chamber of an internal combustion engine (ICE) 11. The numb...
03/31/1987
4470392Multi-gap spark ignition device for engine
A multi-gap spark ignition device to be installed in a spark ignition engine, is disclosed. The device comprises a metallic base member provided with a hole which forms one portion of the combustion chamber of the engine. Within the wall defining the hole...
09/11/1984
4407255Apparatus for supplying high voltage pulses
An ignition system is provided for creating a continuous stream of high voltage pulses to each spark plug (8) over a predetermined period of time as controlled by the distributor (7). Below the transformer core (1) is positioned a switch (6) incorporating...
10/04/1983
4341195Ignition system for spark plugs capable of removing carbon deposits
An ignition system for creeping discharge spark plugs for producing a spark discharge at least one portion of which slidably moves along a creeping discharge path is disclosed. The system comprises producing a spark discharge operative to ignite a mixed g...
07/27/1982
4256068Oblong piston and cylinder for internal combustion engine
A four cylinder four cycle spark ignition engine has oblong pistons each mounted to reciprocate in sliding contact with an oblong cylinder. Intake valves in a series are positioned in a straight line on one side of and parallel to a central plane extendin...
03/17/1981
4217872Multiple spark ignition system for an internal combustion engine
A frequency generator is enabled when an ignition event is to occur, to provide a sequence of current pulses to an ignition coil, so that multiple sparks will be commanded for any one single ignition event. To compensate for changes in operating parameter...
08/19/1980
4164912Method for reducing pollution due to an internal combustion engine
The method comprises, after the end of the normal combustion of the mixture in the combustion chamber of the engine, establishing a post-combustion by maintaining a series of high-tension sparks during a long period and introducing turbulent additional ai...
08/21/1979
4131100Multiple spark discharge circuitry
A multi-strike spark discharge system which is combined with an internal combustion engine to produce a plurality of high voltage discharges across the spark gap of the engine. A timing signal associated with the engine is treated and used to actuate a du...
12/26/1978
4068643Multiple spark ignition system
A solid state ignition system, providing multiple sparks for each power stroke, over the entire speed range of an associated engine, together with pre-selective solid state spark advance circuitry....
01/17/1978
 
Sign InRegister
Username  
Password   
forgot password?