公开(公告)号：US20200347754A1

公开(公告)日：2020-11-05

申请号：US16401765

申请日：2019-05-02

Applicant: Caterpillar Inc.

Inventor： David Yu Zhang CHANG ,  David Todd MONTGOMERY ,  Scott FIVELAND ,  Scott F. SHAFER

IPC: F01L1/24 ,  F01L1/04 ,  F02D41/14

Abstract: A gas engine is disclosed. The gas engine may include a combustion cylinder. The combustion cylinder may include an intake with an intake valve. The combustion cylinder may include an exhaust with an exhaust valve. The gas engine may include a gas admission valve assembly coupled to the intake. The gas admission assembly may include a trimmable electro-hydraulically actuatable gas admission valve to control a gas flow into the intake.