Patent ReferencesIntegrated spark plug ignition coil with pressure sensor for an internal combustion engine Spark apparatus with pressure signal response amplification Patent #: 6668632 InventorsAssigneeApplicationNo. 10754038 filed on 01/08/2004US Classes:73/714, Combined123/634, Having a specific ignition coil73/118.1Testing auxiliary unitExaminersPrimary: Oen, WilliamAttorney, Agent or FirmInternational ClassesG01L007/00F02P011/00 AbstractThe present invention provides a spark plug coil and pressure sensor assembly for providing a spark to a cylinder of an internal combustion engine. The assembly comprises a spark plug configured for mounting in a cylinder and a pressure sensor associated with the spark plug configured to detect a pressure in the cylinder and generate a pressure signal in response thereto. The assembly includes a first electrically conductive ring connector configured to receive the pressure signal and a housing having a main axis and having at least one electrically conductive leaf spring member. The leaf spring member is configured to resiliently engage the first electrically conductive ring connector over a first predetermined circumferential angle relative to the main axis of the coil housing. | |