Frequency modulated VCR-engine

Details Frequency modulated VCR-engine Frequency modulated VCR-engine

2003-10-29

2008-03-25

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S021000

Reexamination Certificate

active

07347170

ABSTRACT:
A control method for the modulation of the torque of piston combustion engine that has a compression chamber (6) of variable volume and operable inlet valves (3). The torque requested for a predetermined operative condition is obtained through a selection of the volume of the compression chamber (6) combined with a selection of the time of opening and the time of closure of the inlet valves (3) combined with a selection of the frequency with which power strokes are performed.

REFERENCES:
patent: 5377631 (1995-01-01), Schechter
patent: 6523504 (2003-02-01), Miura
patent: 6581551 (2003-06-01), Denbratt
patent: 6615771 (2003-09-01), Denger et al.
patent: 6619242 (2003-09-01), Kaneko
patent: WO 9942718 (1999-08-01), None
patent: WO 0028198 (2000-05-01), None

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