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| Number | Title | Issue Date |
| 4462380 | Enhanced spark energy distributorless ignition system A distributorless ignition system of an internal combustion engine has a supplementary spark energy module to increase spark energy. Two ignition coils each have secondary coils with split secondary center taps. Each of the primary windings is coupled to ... | 07/31/1984 |
| 4418660 | Plasma ignition system using photothyristors for internal combustion engine A plasma ignition system for an internal combustion engine, which comprises: (a) a low DC voltage power supply; (b) a DC-DC converter which converts a low DC voltage from the low DC voltage supply to the corresponding AC voltage and inverts the AC voltage... | 12/06/1983 |
| 4398526 | Plasma ignition system for internal combustion engine A plasma ignition system for a multi-cylinder internal combustion engine each cylinder having a plasma ignition plug, including diesel engine. According to the present invention, in addition to the elements of the conventional plasma ignition system there... | 08/16/1983 |
| 4397291 | Means for mounting ignition control modules The invention includes an ignition control assembly including a first ignition control module adapted to be connected to the distributor and to control electrical operation of the distributor, and a redundant ignition control module including circuit mean... | 08/09/1983 |
| 4393849 | Variable ignition distributor A variable ignition distributor for furnishing a high-voltage spark to a spark plug in a first cylinder and for furnishing a low-voltage spark to a spark plug in a second cylinder. A conventional distributor is modified so that a rotor of the distributor ... | 07/19/1983 |
| 4378779 | Ignition system for internal combustion engines An ignition system for an internal combustion engine includes two power transistors respectively connected to opposite ends of the primary winding of an ignition coil to interrupt the primary currents which flow from a power source through the mid-tap of ... | 04/05/1983 |
| 4369758 | Plasma ignition system A plasma ignition system for an internal combustion engine which can prevent irregular ignition when the insulation between the electrodes of the spark plug deteriorates due to carbon on the electrodes, and further can prevent electrical noise from being ... | 01/25/1983 |
| 4369756 | Plasma jet ignition system for internal combustion engine A plasma jet ignition system for an internal combustion engine has a plasma jet spark plug which receives ignition energy from two energy sources, one for a spark ignition and the other for a plasma jet ignition, and performs a plasma jet ignition as well... | 01/25/1983 |
| 4366801 | Plasma ignition system A plasma ignition system for an internal combustion engine which can prevent irregular ignition when the insulation between the electrodes of the spark plug deteriorates due to carbon on the electrodes, and further can prevent electrical noise from being ... | 01/04/1983 |
| 4350129 | Spark-ignition internal combustion engine capable of preventing noxious gas emissions An engine is provided with two spark plugs in each combustion chamber to ignite stoichiometric air-fuel mixture mixed with a large proportion of inert gases to lower NOx emission level. The engine is equipped with hydraulic valve lifters which are mechani... | 09/21/1982 |
| 4228778 | Extended spark capacitor discharge ignition system To combine the advantage of a capacitor discharge ignition system, in which the spark intensity is essentially independent of engine speed even at high speeds of the engine, and the extended spark discharge of electromagnetic coil storage ignition by inte... | 10/21/1980 |
| 4207851 | Emergency ignition for internal combustion engines A portable emergency ignition unit which will enable a person to get a vehicle to a service shop when the electronic ignition, or the points, condenser or coil has failed, or when the ignition key has been broken or lost. This portable ignition unit has s... | 06/17/1980 |
| 4201173 | Ignition apparatus for multi-cylinder reciprocating internal combustion engine An ignition apparatus for a multi-cylinder reciprocating internal combustion engine has a plurality of spark plugs arranged in each of the cylinders with each spark plug having a high voltage generating circuit. The ignition apparatus comprises an ignitio... | 05/06/1980 |
| 4194479 | Stackaruk engine In a four stroke internal combustion engine enhanced combustion within the cylinder is obtained by providing a second ignition spark retarded from the first spark by a flywheel angle of about 30° to about 180°.... | 03/25/1980 |
| 4183340 | Spark ignition systems for internal combustion engines An internal combustion engine spark ignition system includes two inductors and a circuit for transferring energy from the inductors to a common spark circuit when current flow through the inductors is interrupted. Two transistors control current flow in t... | 01/15/1980 |
| 4182940 | High voltage distributor for dual ignition system A distributor for use in internal combustion engines requiring sequential application of high voltage to pairs of spark plugs in each cylinder by a separate high voltage supply circuit. The distributor comprising a base portion and a cap portion formed of... | 01/08/1980 |
| 4177783 | Dual spark plug ignition system A dual spark plug ignition system for an internal combustion engine to decrease the production of air pollutants in the exhaust gases thereof, in which the spark plugs are set at an angle with respect to each other, and one is insulated, while the other o... | 12/11/1979 |
| 4164912 | Method 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 |
| 4144860 | Dual spark plug ignition engine The air-fuel mixture in each combustion chamber of a dual spark plug ignition engine is ignited with two spark plugs during normal engine operation, but is ignited with only one of the two spark plugs during high power output engine operation. The spark t... | 03/20/1979 |
| 4136301 | Spark plug igniter comprising a DC-DC converter A spark plug igniter with an auxiliary power source, in which the auxiliary power source is a DC-DC converter including a feedback loop. A high voltage induced in a secondary winding of an ignition coil and a DC voltage generated by the converter are addi... | 01/23/1979 |
| 4122816 | Plasma igniter for internal combustion engine An igniter for the air/fuel mixture used in the cylinders of an internal combustion engine employs a conventional spark to initiate the discharge of a large amount of energy stored in a capacitor. A high current discharge of the energy in the capacitor sw... | 10/31/1978 |
| 4074661 | Fuel reforming system for an internal combustion engine A system for converting a rich air-fuel mixture into a reformed gaseous mixture containing hydrogen forms a part of an intake system of an internal combustion engine. The system includes an intake passage divided by a dividing wall into a first and a seco... | 02/21/1978 |
| 4069801 | Electronic ignition system An electronic ignition system for an engine is connected in place of the conventional ignition system by a transfer relay that is energized when the ignition switch is closed. An energy storage capacitor is charged by the rectified output of an inverter t... | 01/24/1978 |
| 4066043 | Fuel reforming system for an internal combustion engine A fuel reforming system for use in an intake system for an internal combustion engine operable with a hydrocarbon fuel has a spark plug or plugs for intermittently producing spark discharges to cause imperfect combustion of a rich air-fuel mixture so that... | 01/03/1978 |
| 4064858 | Ignition system with multiplex distributor for engines An ignition distributor is described for use in an internal combustion engine which has a plurality of cylinders or combustion chambers. The distributor includes a driving shaft with a number of rotatable cams mounted on the shaft in an axially spaced arr... | 12/27/1977 |
| 4061113 | Process for reducing the pollution due to an internal combustion engine, and an engine including the application of said process The process comprises producing in a combustion chamber of the engine a high-tension electrical discharge, prolonging the duration of the discharge, and supplying additional air in the vicinity of the discharge so as to form a plasma and cause a post-comb... | 12/06/1977 |
| 4054114 | Device for adjusting ignition time for dual ignition internal combustion engine An ignition system comprises first and second series supply circuits including an ignition coil having a primary winding and a set of breaker contacts serially connected to said primary winding of said ignition coil, said first and second sets of breaker ... | 10/18/1977 |
| 4046126 | Ignition apparatus An ignition apparatus is disclosed for use in a multi cylinder internal combustion engine having a first group of cylinders supplied with an enriched air-fuel mixture and a second group of cylinders supplied with a lean air-fuel mixture. A first control d... | 09/06/1977 |
| 4037571 | Multi-cylinder internal combustion engine A multi-cylinder engine comprising at least a first cylinder group and a second cylinder group. The first cylinder group is connected to a first intake manifold having a first carburetor with a first throttle valve. The second cylinder group is connected ... | 07/26/1977 |
| 4000729 | Ignition system bypass unit An ignition system bypass unit for quick and easy connection to an electronic automobile ignition system having malfunctioning electronic components. The unit bypasses electronic ignition components to apply a string of pulses across the primary winding o... | 01/04/1977 |
| 3982502 | Ignition system for a rotary piston combustion engine An ignition system for a four-stroke rotary piston combustion engine of the trochoid type. The casing of the engine has an inner chamber bounded by a jacket with dual arc inside contour through which an eccentric shaft with an eccentric passes. A triangul... | 09/28/1976 |
| 3972315 | Dual action internal combustion engine ignition system The energizing circuit of one of the primary windings of an ignition coil having at least two primary windings and a secondary winding is interrupted in timed relationship with the engine whereby a high ignition arc-creating potential is induced in the se... | 08/03/1976 |
| 3970049 | Ignition system for rotary piston engine There is provided an ignition system for a rotary piston engine comprising first and second ignition means mounted in a rotor housing. The first ignition means is positioned ahead of the second ignition means in the direction of rotation of a rotor. Switc... | 07/20/1976 |
| 3964454 | Differential ignition timing firing control system A control system for controlling the ignition of fuel in an internal combustion engine with differential ignition timing comprising a first and a second ignition plug disposed in each combustion chamber of the engine, and a first and a second ignition sys... | 06/22/1976 |
| 3957020 | Ignition system for rotary piston engines An ignition system for rotary piston engines is disclosed wherein a plurality of ignition plugs are arranged and disposed in the combustion chamber in the directon of the rotation of a piston and connected to a common ignition coil so that one of them may... | 05/18/1976 |
| 3938489 | Ignition system for two-cylinder engines An ignition system for a two-cylinder engine is provided which comprises two ignition signal generators, two ignition coils and two spark plugs for each of the cylinders. The first ignition signal generator controls the first ignition coil and two of the ... | 02/17/1976 |
| 3935844 | Ignition timing control system A dilute air-fuel mixture operation as a method for purifying exhaust gas is effective for reducing simultaneously carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx) contained in the engine exhaust. However, such operation reduces engine p... | 02/03/1976 |
