公开(公告)号：US20180073427A1

公开(公告)日：2018-03-15

申请号：US15261047

申请日：2016-09-09

Applicant: Caterpillar Inc.

Inventor： Ryan T. Sunley ,  Bryce L. Tiller ,  Dennis Gibson

IPC: F02B77/02

CPC classification number: F02F7/006

Abstract: A valve cover assembly is provided for an internal combustion engine is provided. It is advantageous to be able to access the various components of an engine valve train without disconnecting of fuel lines that supply fuel to an engine cylinder. The current disclosure provides a valve cover assembly comprising a base with a first cover and a second cover mounted thereon to provide access to the fuel lines and valve train components, respectively. The disclosed valve cover assembly allows fuel lines to be accessed and serviced without disassembly of the first cover. Likewise, the disclosed valve cover assembly allows valve train components to be accessed and services without disassembly of the second cover.

公开(公告)号：US20180347560A1

公开(公告)日：2018-12-06

申请号：US15609493

申请日：2017-05-31

Applicant: Caterpillar Inc.

Inventor： Alan Stockner ,  Aaron M. Brown ,  Sridhar Thangaswamy ,  Dana R. Coldren ,  Dennis Gibson

IPC: F04B53/14

Abstract: A pushrod assembly 5 may include a seal carrier 50 for a spaced seal assembly 60 and/or a seal carrier 70 for a stacked seal assembly 74, the spaced seal assembly including first and second annular seals 61, 62 separated by a spacer 63 to isolate between the seals a vented region 28 of the pushrod housing 6, the stacked seal assembly including at least two annular seals 80 stacked on the seal carrier. Each seal assembly can be removed and replaced via an access end 52, 72 of the seal carrier after detaching the access end from an adjacent component of the assembly. The seal carriers may be incorporated into a cryogenic pump 2 wherein at least one annular seal is arranged on each seal carrier to seal the pushrod assembly 5 within its housing 6.