Internal combustion engine

Details Internal combustion engine Internal combustion engine

2005-02-01

2005-02-01

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150

Reexamination Certificate

active

06848403

ABSTRACT:
An internal combustion engine is presented, in which the valves (11) are adapted to be actuated by a valve actuation arrangement (12), the valve actuation arrangement (12) comprising actuation adjustment mechanisms (17), adapted to assume a first position whereby the valves can be actuated according to a first valve lift mode, and to assume a second position whereby the valves can be actuated according to a second valve lift mode. Further, the position the actuation adjustment mechanisms (17) at a first set of cylinders is controllable through a first mechanism control system (22), and the position of the actuation adjustment mechanisms (17) at a second set of cylinders is controllable through a second mechanism control system (23), whereby the first set of cylinders consists of cylinders which are consecutive in a firing sequence, during operation of the engine according to at least one engine operation mode.

REFERENCES:
patent: 5603293 (1997-02-01), Schwarzenthal et al.
patent: 5950583 (1999-09-01), Kraxner et al.
patent: 6332445 (2001-12-01), Voss et al.
patent: 6474278 (2002-11-01), Davis et al.
patent: 19632651 (1998-02-01), None
patent: 0779411 (2001-05-01), None

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