US 12,173,629 B2
Rocker arm assembly with main rocker and forked auxiliary rocker
Manickavasagan Thirumoolan, Tamil Nadu (IN); and Chinmaya Chetan, Karnataka (IN)
Assigned to Eaton Intelligent Power Limited, Dublin (IE)
Filed by Eaton Intelligent Power Limited, Dublin (IE)
Filed on Jan. 19, 2024, as Appl. No. 18/417,746.
Application 18/417,746 is a continuation of application No. PCT/EP2022/025343, filed on Jul. 22, 2022.
Claims priority of application No. 202111033218 (IN), filed on Jul. 23, 2021.
Prior Publication US 2024/0151167 A1, May 9, 2024
Int. Cl. F01L 13/00 (2006.01); F01L 1/18 (2006.01); F01L 1/46 (2006.01); F01L 13/06 (2006.01)
CPC F01L 13/0036 (2013.01) [F01L 1/181 (2013.01); F01L 1/46 (2013.01); F01L 13/0015 (2013.01); F01L 2001/186 (2013.01); F01L 2001/467 (2013.01); F01L 13/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A rocker arm assembly, comprising:
a main rocker including a main body extending between a valve end and a main cam end of the main rocker, the main body defining:
a main rocker bore; and
a main latch bore arranged above the main rocker bore between the valve end and the main cam end;
an auxiliary rocker with a forked auxiliary body including:
a first auxiliary rocker bore and a second auxiliary rocker bore cooperating so as to coaxially flank the main rocker bore;
a first auxiliary cam end and a second auxiliary cam end cooperating so as to coaxially flank the main cam end; and
a first auxiliary latch bore and a second auxiliary latch bore respectively arranged above the first auxiliary rocker bore and the second auxiliary rocker bore so as to coaxially flank the main latch bore; and
a lost motion spring pressed between the main rocker and the auxiliary rocker, the lost motion spring extending over the main latch bore.