Patent Number: 6,293,246

Title: Spark-assist type self-ignition engine

Abstract: An engine comprising a spark plug and a fuel injector in a combustionchamber and a temperature sensor used to judge if the gas temperature inthe combustion chamber is a temperature at which self-ignition occurs whena spark is generated. Based on this judgement, a valve timing device isused to control the opening timing of the intake valve and maintain thegas temperature at a temperature at which self-ignition occurs when aspark is generated.

Inventors: Tanahashi; Toshio (Susono, JP), Murai; Toshimi (Susono, JP), Yasuda; Yushiro (Susono, JP), Asada; Toshiaki (Mishima, JP)

Assignee:

International Classification:

Expiration Date: 09/25/2013