Rocker system with stopper arrangement on cam side
AssigneeEaton Intelligent Power Limited
InventorsVikram DEOKAR, Nicola ANDRISANI, Ketaki A. PURKAR, Pratik AHER
Life of this patent
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Abstract
A rocker arm assembly for actuating a valve. The rocker arm assembly including a rocker arm having a valve side and a cam side. The rocker arm being pivotable about a rocker shaft via actuation on the cam side. At least one roller assembly is attached to the rocker arm. A latch assembly is provided for selectively latching the at least one roller assembly to the rocker arm, wherein when the latch assembly is in a lost motion state the at least one roller assembly is free to pivot relative to the rocker arm and when the latch assembly is in an activated state the at least one roller assembly is pivotably coupled to the rocker arm.
Claims15
A rocker arm assembly for actuating a valve, the rocker arm assembly comprising:
- a rocker arm having a valve side and a cam side, the rocker arm being pivotable about a rocker shaft via actuation on the cam side;
- a hydraulic lift assembly positioned on the valve side of the rocker arm, the hydraulic lift assembly comprising:
- a plunger movable between an actuated position and an unactuated position;
- and
- a check ball for selectively locking the plunger in the actuated position;
- at least one roller assembly attached to the rocker arm;
- and
- a latch assembly for selectively latching the at least one roller assembly to the rocker arm, wherein when the latch assembly is in a lost motion state the at least one roller assembly is free to pivot relative to the rocker arm and when the latch assembly is in an activated state the at least one roller assembly is pivotably coupled to the rocker arm.
A rocker arm assembly for actuating a valve, the rocker arm assembly comprising:
- a rocker arm having a valve side and a cam side, the rocker arm being pivotable about a rocker shaft via actuation of a first roller on the cam side;
- at least one roller assembly attached to the rocker arm;
- and
- a latch assembly for selectively latching the at least one roller assembly to the rocker arm, wherein when the latch assembly is in a lost motion state the at least one roller assembly is free to pivot relative to the rocker arm and when the latch assembly is in an activated state the at least one roller assembly is pivotably coupled to the rocker arm.
Dependencies are inferred from the claim text.