公开(公告)号：US10422291B2

公开(公告)日：2019-09-24

申请号：US15529585

申请日：2015-09-29

Applicant: Robert Bosch GmbH

Inventor： Alexander Eichhorn ,  David Lejsek

IPC: F02D41/40 ,  F02D41/02 ,  F02D19/06 ,  F01N3/20 ,  F02D41/38

Abstract: A method for injecting gaseous fuel directly into a combustion chamber of an internal combustion engine in order to heat a catalytic converter, the method including: carrying out a main injection of gaseous fuel directly into the combustion chamber; carrying out a first post-injection following the main injection but prior to an ignition, and following the ignition and preferably following the end of combustion in the combustion chamber, carrying out a second post-injection of gaseous fuel into the combustion chamber.

公开(公告)号：US20170284324A1

公开(公告)日：2017-10-05

申请号：US15529585

申请日：2015-09-29

Applicant: Robert Bosch GmbH

Inventor： Alexander Eichhorn ,  David Lejsek

IPC: F02D41/02 ,  F02D41/40 ,  F01N3/20

Abstract: A method for injecting gaseous fuel directly into a combustion chamber of an internal combustion engine in order to heat a catalytic converter, the method including: carrying out a main injection of gaseous fuel directly into the combustion chamber; carrying out a first post-injection following the main injection but prior to an ignition, and following the ignition and preferably following the end of combustion in the combustion chamber, carrying out a second post-injection of gaseous fuel into the combustion chamber.