Opening/closing time of the INLET valves versus duty-cycle of the hold-phase

AN2791

12/18

Table 1.

INLET valve opening/closing time versus duty-cycle strategy

Duty-cycle strategy

[“pull-in”_”hold”]

Armature-piston

motion [ms]

Closing time [ms]

Opening time [ms]

20_75

1.5

7

5

20_80

1.5

6.5

5

20_85

1.5

6

5

20_90

1.5

6

5

25_75

1.5

7

5.5

25_80

1.5

6.5

5.5

25_85

1.5

6

5.5

25_90

1.5

6

5.5

30_75

1.5

7

6

30_80

1.5

6.5

6

30_85

1.5

6

6

30_90

1.5

6

6

35_75

1.5

7

6.5

35_80

1.5

6.5

6.5

35_85

1.5

6

6.5

35_90

1.5

6

6.5