Method for controlling the adjustment of the valves in a...

Details Method for controlling the adjustment of the valves in a... Method for controlling the adjustment of the valves in a...

2007-06-26

2007-06-26

Ho, Ha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

C123S090150

Reexamination Certificate

active

11164948

ABSTRACT:
Method and arrangement for providing a vehicle having a combustion engine (1) with valves (7, 8) adapted to have variable valve timing and/or valve lift height. The valves are provided with operating devices (9,10) that are controlled by electronic controlling devices (3), which are arranged, while the vehicle is being driven, with the aid of entered information about at least the gradient of the road and the throttle position, to calculate future resistance to forward motion and the period of time to a future transient in the engine's operating condition, for example in association with a future change of engine operating mode and/or a future gear change in a gearbox (2) connected to the engine. The controlling devices are arranged to control valve timing and/or the valve lift height during the period of time for optimization of the engine's performance, once the transient has arisen.

REFERENCES:
patent: 2670595 (1954-03-01), Miller
patent: 5097808 (1992-03-01), Tanaka et al.
patent: 5228422 (1993-07-01), Wakeman
patent: 6098005 (2000-08-01), Tsukamoto et al.
patent: 6951211 (2005-10-01), Bryant
patent: WO 95/04210 (1995-02-01), None

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