Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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.
| Number | Title | Issue Date |
| 6575134 | Electronic governor for a gasoline engine A capacitive discharge ignition system for an internal combustion engine including: a capacitor for storing electrical energy to produce a spark; a first switch having a trigger input for receiving a trigger pulse; a second switch connected to the trigger... | 06/10/2003 |
| 6553981 | Dual-mode ignition system utilizing traveling spark ignitor In one embodiment, a system for providing electrical energy to a traveling spark ignitor operating in an internal combustion engine is disclosed. The system may include a conventional ignition system connected to the ignitor and a follow-on current produc... | 04/29/2003 |
| 5896848 | Ignition control circuit for internal combustion engine A combined heat and power system including a 4 cylinder reciprocating internal combustion engine fuelled by a fuel gas, for example natural gas, and operating at a substantially constant speed and at a substantially constant air to fuel ratio. Operation o... | 04/27/1999 |
| 5035229 | Ignition device for an internal combustion engine An engine ignition device comprises a circuit which generates a bias voltage corresponding to the engine rpm and superimposes it on an ignition signal so that the closing rate of the primary power feeding circuit for an ignition coil is controlled, a swit... | 07/30/1991 |
| 4951620 | Positive starting circuit A positive starting system and circuit prevents false starting of a multicylinder two-cycle internal combustion engine (10). During initial cranking of the engine, starter kick-out is caused by ignition of a residual combustible charge in a cylinder, howe... | 08/28/1990 |
| 4455989 | Plasma ignition system for internal combustion engine A plasma ignition system for an internal combustion engine which varies a discharge time of a plasma ignition energy charged capacitor according to the engine operating condition, e.g., the current engine speed. The plasma ignition system comprises: (a) a... | 06/26/1984 |
| 4411245 | Internal combustion engine contactless ignition system of supply voltage variation compensation type An internal combustion engine contactless ignition system of the supply voltage variation compensation type in which the length of time an ignition coil is energized is controlled by an input transistor in response to an alternating current signal synchro... | 10/25/1983 |
| 4409952 | Engine timed ignition system with improvement An engine timed ignition system of the type that combines a short duration high voltage spark with a reduced voltage DC spark sustaining signal. It includes in the system apparatus for starting the DC sustaining signal simultaneously with the high voltage... | 10/18/1983 |
| 4364344 | Internal combustion engine with initial ignition suppression during cranking A spark ignited internal combustion engine includes a counter which counts a predetermined number of the initial ignition signals during engine start and suppresses those ignition signals to prevent reverse torque due to excessive cylinder pressure before... | 12/21/1982 |
| 4349008 | Apparatus for producing spark ignition of an internal combustion engine Apparatus for producing spark ignition of an internal combustion engine in which sparks at the spark plugs are initiated by a high voltage pulse of typically 20 KV and are sustained thereafter by a d.c. voltage of typically 3 KV. In one embodiment the d.c... | 09/14/1982 |
| 4314534 | Feedback control system for internal combustion engine A control system for an internal combustion engine comprises a transducer for issuing a signal representative of combustion pressure in a combustion chamber, a unit consisting of a bandpass filter and a wave-form shaping circuit for issuing a signal repre... | 02/09/1982 |
| 3976043 | Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine A control system controls the occurrence and duration of time intervals during which sparks may be provided in the cylinders of an internal combustion engine driving a crankshaft as a function of loading parameters on the engine. In an automotive engine c... | 08/24/1976 |
