Engine having a variable valve actuation system

Patent · Wed Oct 12 00:00:00 EDT 2005

OSTI ID:968995

Hefler, Gregory W ^[1]

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1. Chillicothe, IL

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.

• Research Organization: Caterpillar Inc., Deerfield, IL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC05-97OR22605
• Assignee: Caterpillar Inc. (Peoria, IL)
• Patent Number(s): 6,802,285
• Application Number: 10/324,049
• OSTI ID: 968995
• Country of Publication: United States
• Language: English