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公开(公告)号：US11585288B1
公开(公告)日：2023-02-21
申请号：US17531077
申请日：2021-11-19
Applicant: Caterpillar Inc.
Inventor： Jonathan R Chittenden , Viorel Petrariu , Curtis John Graham
Abstract: A cylinder head assembly includes a cylinder head having a top deck, a fire deck, and an igniter post extending upward from the fire deck. An igniter sleeve is within an igniter bore in the cylinder head and includes a locating surface clamped against an upward facing stop surface of the cylinder head. A tip coolant clearance is defined axially between a sleeve tip and the fire deck, and a body coolant clearance is defined peripherally between the igniter sleeve and the cylinder head and is continuously circumferential of the igniter sleeve axially between the sleeve tip and a coolant cavity formed in the cylinder head.
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