Switchable finger lever of a valve train of an internal...

Details Switchable finger lever of a valve train of an internal... Switchable finger lever of a valve train of an internal...

2011-04-12

2011-04-12

Denion, Thomas E (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090390

Reexamination Certificate

active

07921821

ABSTRACT:
A switchable finger lever (1) of a valve train of an internal combustion engine, said finger lever (1) comprising an outer lever (2) between whose arms (3) an inner lever (4) extends, a support (9) for at least one gas exchange valve being arranged on one end (7), said inner and outer levers (4, 2) extending on a common axle (10) in the region of said one end (7), said finger lever (1) further comprising a lost motion spring means (11) acting between said inner and outer levers (4, 2), said outer lever (2) possessing on the undersurface (8) on another end (12), a contact surface (13) for a support element, a coupling element (14) is arranged above or laterally of said contact surface (13), which coupling element (14), for realizing coupling, can be brought partially into engagement with an entraining surface (15) of an adjoining crossbar (16) of the inner lever (4), wherein the inner lever (4), starting from its crossbar (16) on the another end (12), merges into a box-like open center portion (17) having two bar-shaped arms (18).

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