Failure safety control device for internal combustion engines, which with a mechanism for variable defining are provided, and associated method

摘要

Failure safety control device for internal combustion engines, comprising:a mechanism for variable valve property (114l; 114r), which, for each of a plurality of sets of cylinders is provided, and a valve property with respect to an effective degree of opening of a fuel force machines valve (107) changes;a detector (115l; 115r) for the valve property, which force the valve property of the fuel valve (107) determines machines; anda control unit (116), which the mechanism for the variable defining (114l; 114r) on the basis of a detection result of the valve property controls,characterized in thatthe control unit (116):a failure condition of the mechanism for variable defining (114l; 114r) for each cylinder group determines;and if it is detected that the mechanism for variable defining (114l; 114r) in one of the cylinder groups has failed, and the effective degree of opening (revell; revelr) of the valve property in the failure state, is determined from the detector (115l; 115r) for the valve property, equal to a predetermined value (hoslmt) or is greater, the valve property of the normal mechanism for variable defining the other cylinder group..