July 7, 2009

The present invention relates to a method of controlling an internal-combustion engine comprising at least one cylinder (10) with at least one burnt gas exhaust means (12) including an exhaust valve (16) whose opening/closing is controlled by control means (22) and an exhaust pipe (14) connected to an exhaust line (18, 20), at least two intake means (26, 28) comprising each a valve (32, 36) whose opening/closing is controlled by a dedicated actuating means (46, 48) and a pipe (30, 34). The method, during low load or medium load running of the engine: controls the closed position of exhaust valve (16) and controls one (36) of the intake valves so as to operate it as a burnt gas discharge valve.

23

July 7, 2009

11/869,865

October 10, 2007

123/568.13   123/321 123/568.23 123/90.11 123/90.12 123/90.15

F02B   47/08   (20060101)  

Oct 11, 2006 [FR] 06 08975

123/79R   123/90.11   123/12   123/13   123/14   123/15   123/16   123/17   123/18   123/19   123/20   123/21   123/22   123/23   123/24   123/25   123/26   123/27   123/28   123/29   123/30   123/31   123/32   123/33   123/34   123/35   123/36   123/37   123/38   123/39   123/40   123/41   123/42   123/43   123/44   123/45   123/46   123/47   123/48   123/49   123/50   123/51   123/52   123/53   123/54   123/55   123/56   123/57   123/58   123/59   123/60   123/61   123/62   123/63   123/64   123/65   123/66   123/67   123/68   123/69   123/70   123/71   123/72   123/73   123/74   123/75   123/76   123/77   123/78   123/79   123/80   123/81   123/82   123/83   123/84   123/85   123/86   123/87   123/88   123/89   123/90.18   123/568.13   123/568.23   123/321