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Title: Engine having a variable valve actuation system

An engine has a cylinder head having a first surface and a second surface spaced from the first surface. A valve is moveably connected to the cylinder head. A rocker arm is connected to the valve, and a rocker shaft having a first location spaced a maximum distance from the cylinder head is connected to the rocker arm. A support member has and an actuator fluid passage network. The actuator fluid passage network defines a volume. The support member is connected to the cylinder head and is positioned such that a majority of the volume of the actuator fluid passage network is between the first location of the rocker shaft and the second surface of the cylinder head.
  1. (Chillicothe, IL)
Publication Date:
OSTI Identifier:
Report Number(s):
US patent application 10/324,049
DOE Contract Number:
Resource Type:
Research Org:
Caterpillar Inc. (Peoria, IL)
Sponsoring Org:
Country of Publication:
United States