Rocker arm assembly with main rocker and forked auxiliary rocker
AssigneeEaton Intelligent Power Limited
InventorsManickavasagan Thirumoolan, Chinmaya Chetan
Life of this patent
Estimating the term…
Abstract
A rocker arm assembly can comprise a main rocker, an auxiliary rocker, and a lost motion spring mounted to press on the main rocker and the auxiliary rocker. The main rocker can comprise a main body surrounding a main rocker bore, a valve end, a main cam end, and a main latch bore between the valve end and the main cam end. The auxiliary rocker can comprise an auxiliary body that is forked. A first auxiliary rocker bore and a second auxiliary rocker bore can flank the main rocker bore. A first auxiliary cam end and a second auxiliary cam end can flank the main cam end. A first auxiliary latch bore and a second auxiliary latch bore can flank the main latch bore. The lost motion spring can span over the main latch bore.
Claims20
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.
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 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 cooperating 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 such that the first and second auxiliary latch bores are vertically positioned between the lost motion spring and the first and second auxiliary rocker bores.
Dependencies are inferred from the claim text.