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US 12,140,056 B2Granted
Switchable rocker arm
AssigneeEaton Intelligent Power Limited
InventorsEmanuele Raimondi, Massimo D'Amore
Life of this patent
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Abstract
A switchable rocker arm (1, 2, 3, 4) can comprise a main body (10, 11) configured to rotate around a rocker shaft. The main body can comprise a valve end (102), and a cam end (103) comprising a piston bore (135, 136). A second body (21, 22, 23, 24) can comprise a pivot portion (2140, 2240, 2340, 2440), a cam-receiving transfer portion (2130, 2230, 2330, 2430), and a latch bore (2132) through the transfer portion. A latch assembly (60) can be mounted in the latch bore. A piston assembly (50) can be mounted in the piston bore.
Claims17
A switchable rocker arm, comprising:
- a main body configured to rotate around a rocker shaft, the main body comprising:
- a valve end;
- and
- a cam end forked to form a first arm border and a second arm border, wherein the first arm border comprises a first piston bore and a first end wall, and wherein the second arm border comprises a second piston bore and a second end wall;
- a second body, comprising:
- a pivot portion;
- a cam-receiving transfer portion;
- and
- a latch bore through the cam-receiving transfer portion;
- a latch assembly mounted in the latch bore;
- and
- a piston assembly mounted in one or more of the first piston bore or the second piston bore.
9 more elements
Dependencies are inferred from the claim text.