Valve controller for controlling the suction valve of an interna

Details Valve controller for controlling the suction valve of an interna Valve controller for controlling the suction valve of an interna

1993-07-08

1994-09-27

Miller, Carl S.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, 1231793, F01L 134

Patent

active

053499298

ABSTRACT:
The lever ratio of rocker arms of an internal-combustion engine is varied to control intake air flow so that the internal-combustion engine can be easily restarted. A query is made to see if the present swing angle is equal to an optimum swing angle for restarting the internal-combustion engine and, if the response is negative, a query is made to see if a motor for changing the lever ratio of the rocker arms is to be driven for rotation in the normal direction. If the motor is to be driven for rotation in the normal direction, the motor is driven accordingly. If the motor is to be driven for rotation in the reverse direction, the motor is driven accordingly.

REFERENCES:
patent: 4651684 (1987-03-01), Masuda et al.
patent: 4841799 (1989-06-01), Entzminger
patent: 5003939 (1991-04-01), King
patent: 5107802 (1992-04-01), Yagi et al.
patent: 5165370 (1992-11-01), Beaumont
patent: 5189997 (1993-03-01), Schneider

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