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US 2018/0003088 A1Published application
Rocker arm assembly for engine braking
AssigneeEaton Corporation
InventorsDouglas J. Nielsen, James E. McCarthy, JR.
Life of this patent
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Abstract
An exhaust valve rocker arm assembly includes an exhaust rocker arm and a valve bridge operably associated with the rocker arm. The valve bridge includes a main body and a lever rotatably coupled to the main body. The main body is configured to engage the first exhaust valve, and the lever is configured to engage the second exhaust valve.
Claims20
An exhaust valve rocker arm assembly selectively opening first and second exhaust valves and comprising:
- an exhaust rocker arm;
- and
- a valve bridge operably associated with the rocker arm and including a main body and a lever rotatably coupled to the main body, the main body configured to engage the first exhaust valve, and the lever configured to engage the second exhaust valve.
A valve train assembly comprising:
- a first exhaust valve;
- a second exhaust valve;
- an exhaust valve rocker arm assembly selectively opening the first and second exhaust valves and comprising:
- an exhaust rocker arm;
- and
- a valve bridge operably associated with the rocker arm and including a main body and a lever rotatably coupled to the main body, the main body configured to engage the first exhaust valve, and the lever configured to engage the second exhaust valve;
- and
- an engine brake rocker arm assembly selectively opening the second exhaust valve and comprising an engine brake rocker arm configured to selectively engage and rotate the lever to open the second exhaust valve.
5 more elements
An exhaust valve rocker arm assembly selectively opening first and second exhaust valves and comprising:
- an exhaust rocker arm;
- a valve bridge operably associated with the rocker arm and including a main body and a hydraulic actuator assembly disposed at least partially within the main body, the main body configured to engage the first exhaust valve, and the hydraulic actuator configured to engage the second exhaust valve;
- wherein the hydraulic actuator assembly comprises an outer housing, a first piston body, and a second piston body, the first piston body and the second piston body at least partially disposed within the outer housing and defining a central chamber therebetween configured to receive a fluid;
- and
- wherein the hydraulic actuator assembly further comprises a biasing mechanism disposed between the first piston body and the second piston body.
2 more elements
Dependencies are inferred from the claim text.