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| Application No. | Application Title | Issue Date |
| 20080245144 | Sensor Structure in Particular For a Harsh Environment in a Motor Vehicle and Preheater Plug Comprising Such a Sensor A sensor structure notably for a harsh environment in a motor vehicle is disclosed. The sensor structure has a sensor body (1) having at one end an element (2) sensitive to the quantity to be measured in the harsh environment and at another end a connectio... | 10/09/2008 |
| 20080030197 | Ion Current Detecting Apparatus for Internal Combustion Engine An ion current detecting apparatus includes a capacitor C that is charged as a spark plug 3 discharges, a Zener diode ZD that limits a maximum voltage of the capacitor C while charging, a detection resistor R2 through which a discharge current of the capac... | 02/07/2008 |
| 20070247164 | Ion sensing arrangement for small gasoline engine An ion sensing arrangement for a small internal combustion engine includes an ion sensor placed in the engine's combustion chamber to measure the conductivity of the combusted fuel-air mixture. Scaling circuitry, such as variable voltage divider circuitry, is connected ... | 10/25/2007 |
| 20070096742 | Benchtop test system for testing spark plug durability A method and system for evaluating the durability of spark plugs. A test system simulates the pressure, temperature, and exhaust flow of an internal combustion engine, and has a test chamber in which these simulated conditions exist. A number of spark plugs are installe... | 05/03/2007 |
| 20050162171 | Spark plug wire high-voltage sensor apparatus A device for sensing a high voltage pulse in a spark plug wire in the form of a mechanical pen provides a neon bulb within a translucent or transparent tube having conductive members at the opposite ends of the tube connected with the neon bulb. A probe member at one en... | 07/28/2005 |
| 20050110497 | Spark detection apparatus and method that senses the battery voltage A spark detection apparatus and method for internal combustion engines that use sparks to ignite their fuel is disclosed. The detection apparatus includes a spark detector with improved accuracy, safety, and ease of connection over the current art. ... | 05/26/2005 |
