Patent ID: 8590517
Filing Date: 2013-11-26
Classification: F01L,F02B,F02D,F02M,Y02T

Abstract:
1. A diesel engine for a vehicle, comprising: an engine body to be mounted in the vehicle and supplied with fuel containing diesel fuel as its main component, a geometric compression ratio ε being set within a range of 12:1 to 15:1, wherein the engine body includes: wherein, when the engine body is at least in an operating state with comparatively low load and low rotation speed, the exhaust valve is opened during an intake stroke so that the exhaust gas is partially introduced into the cylinder and the intake passage is choked; wherein the exhaust valve that is opened during the intake stroke is closed before the intake valve is closed in a later stage of the intake stroke; and wherein an opening area S with respect to the geometric compression ratio ε of the engine body.