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Class Information
Number: 123/656
Name: Internal-combustion engines > High tension ignition system > Power supply, ignition coil primary, and interrupter element all in series > Diode is in parallel with coil primary or secondary
Description: Subject matter in which a diode is placed in parallel with the primary or secondary of the ignition coil.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404396 |
Multiple discharge ignition control apparatus and method for internal combustion engines |
Jul. 29, 2008 |
| 7347195 |
Method and device for controlling the current in a spark plug |
Mar. 25, 2008 |
| 7320317 |
Auxiliary device for engine spark plug ignition |
Jan. 22, 2008 |
| 7131436 |
Engine ignition system having noise protection circuit |
Nov. 7, 2006 |
| 7107977 |
Ignition apparatus for internal combustion engine |
Sep. 19, 2006 |
| 6705302 |
Ignition device for an internal combustion engine |
Mar. 16, 2004 |
| 6112730 |
Ignition system with clamping circuit for use in an internal combustion engine |
Sep. 5, 2000 |
| 6095125 |
Ignition system having ignition coil |
Aug. 1, 2000 |
| 6032658 |
Ignition system having ignition coil |
Mar. 7, 2000 |
| 5970965 |
Inductive coil ignition system for an engine |
Oct. 26, 1999 |
| 5701077 |
Misfire detecting device for gasoline internal combustion engine |
Dec. 23, 1997 |
| 5617032 |
Misfire detecting device for internal combustion engine |
Apr. 1, 1997 |
| 5592926 |
Method of detecting misfire of engine ignition system and device for carrying out the same |
Jan. 14, 1997 |
| 5503132 |
Device for detecting misfire of internal combustion engine equipped with double-ended distributorless ignition system |
Apr. 2, 1996 |
| 5379745 |
Ignition system for internal combustion engines with high-tension switches |
Jan. 10, 1995 |
| 5228425 |
Ignition system for internal combustion engine |
Jul. 20, 1993 |
| 5220903 |
Electronic ignition system |
Jun. 22, 1993 |
| 5220901 |
Capacitor discharge ignition system with inductively extended discharge time |
Jun. 22, 1993 |
| 5215066 |
Ignition apparatus for an internal combustion engine |
Jun. 1, 1993 |
| 5211152 |
Distributorless ignition system |
May. 18, 1993 |
| 5197448 |
Dual energy ignition system |
Mar. 30, 1993 |
| 4996967 |
Apparatus and method for generating a highly conductive channel for the flow of plasma current |
Mar. 5, 1991 |
| 4993395 |
High-voltage opto-electronic switching circuit |
Feb. 19, 1991 |
| 4969447 |
Inductive-discharge ignition device for an internal combustion engine |
Nov. 13, 1990 |
| 4922883 |
Multi spark ignition system |
May. 8, 1990 |
| 4915087 |
Ignition system with enhanced combustion and fault tolerance |
Apr. 10, 1990 |
| 4829971 |
Regulated power supply for a solid state ignition system |
May. 16, 1989 |
| 4809661 |
Ignition system for internal combustion engine |
Mar. 7, 1989 |
| 4696280 |
High-tension capacitor-discharge ignition apparatus for internal combustion engines |
Sep. 29, 1987 |
| 4556040 |
Distributorless ignition system for multi-cylinder internal combustion engine with misfire suppression |
Dec. 3, 1985 |
| 4501256 |
Solid state magneto ignition switching device |
Feb. 26, 1985 |
| 4487177 |
Apparatus and method for starting a diesel engine using plasma ignition plugs |
Dec. 11, 1984 |
| 4406273 |
Ignition system for internal combustion engine |
Sep. 27, 1983 |
| 4345575 |
Ignition system with power boosting arrangement |
Aug. 24, 1982 |
| 4305371 |
Contactless ignition circuit for internal combustion engines |
Dec. 15, 1981 |
| 4246881 |
System for decreasing the power consumption in the output transistor of an ignition system |
Jan. 27, 1981 |
| 4203403 |
Ignition device for an internal combustion engine |
May. 20, 1980 |
| 4103659 |
Ignition system |
Aug. 1, 1978 |
| 4083347 |
High energy spark ignition system, particularly for internal combustion engines |
Apr. 11, 1978 |
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