公开(公告)号：US11174825B2

公开(公告)日：2021-11-16

申请号：US16272211

申请日：2019-02-11

Applicant: Caterpillar Inc.

Inventor： Derik Warne ,  David Halteman ,  Thomas J. Crowell

IPC: F02M69/04 ,  F02M55/00 ,  F02M61/16

Abstract: A seal configuration for a fuel injector is disclosed. The seal configuration may include a seal ring within a seal groove of the fuel injector. The seal ring may be formed from a first material. The seal configuration may include a spacer ring within the seal groove of the fuel injector. The spacer ring may be formed from a second material. An outer diameter of the spacer ring may be greater than a diameter of a fuel injector bore of the fuel injector. The spacer ring may be configured to be adjacent the seal ring within the seal groove to form a seal of a fuel injector slot of an engine head of an engine, and the fuel injector slot is configured to support the fuel injector.