VALVE LIFTER ANTI-ROTATION DEVICE AND VALVE LIFTER ASSEMBLY IN VALVE ACTUATION SYSTEM
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United States of America Patent
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Issued Date -
Nov 4, 2021
app pub date -
May 4, 2020
filing date -
May 4, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An engine valve actuation system includes a rotatable camshaft, a first valve lifter, and a second valve lifter, structured to actuate valves in an engine in response to rotation of cams of the camshaft. The engine valve actuation system includes an anti-rotation device having a collar with a sleeve portion and a boss portion, and a bridge connector structured to couple with one of the valve lifters. Another one of the valve lifters is slidably received in the sleeve portion. The anti-rotation device reciprocates with the one of the valve lifters, and each of the valve lifters is restricted from rotation during service.
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