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1. (WO2018104872) HEAVY DUTY VARIABLE VALVE ACTUATION

Pub. No.:    WO/2018/104872    International Application No.:    PCT/IB2017/057670
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Wed Dec 06 00:59:59 CET 2017
IPC: F01L 1/26
F01L 13/00
F01L 13/06
F01L 1/18
Applicants: EATON S.R.L.
Inventors: CECUR, Majo
Title: HEAVY DUTY VARIABLE VALVE ACTUATION
Abstract:
A valvetrain assembly constructed in accordance to one example of the present disclosure includes a main and secondary exhaust rocker arm assembly, a first and second latch assembly and an actuation assembly. The main exhaust rocker arm assembly has a first main exhaust rocker arm and a second main exhaust rocker arm. The secondary exhaust rocker arm assembly has a first secondary exhaust rocker arm and a secondary exhaust rocker arm. The actuation assembly has an actuator, a main arm and a secondary arm. The actuator rotates an exhaust cam rod that includes a first cam and a second cam. The main arm rotates based upon movement to the first cam causing the first latch assembly to move between first and second positions. The secondary arm rotates based upon movement of the second cam causing the second latch assembly to move between first and second positions.