System for setting the throttle flap angle for an internal combu

Details System for setting the throttle flap angle for an internal combu System for setting the throttle flap angle for an internal combu

1989-12-19

1991-09-10

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02D 3100

Patent

active

050464671

ABSTRACT:
The invention is directed to a system for setting the throttle flap angle for an internal combustion engine. The system sets the idle stop for the idle throttle flap angle and monitors the setting with respect to defects that occur. If the throttle flap is in contact engagement with the idle stop, a contact is actuated which causes a buffer storage of the actual throttle flap angle which thereby represents the position of the idle stop. If then, for example, the idle stop changes during driving operation, its new position is established upon a renewed contact engagement of the throttle flap, by measuring the throttle flap angle. A possible defect can be established from a comparison of actual and desired values and a positioning motor is then appropriately driven to displace the idle stop. This system has the advantage that a defect occurring in the region of the positioning motor is detected without additional circuit complexity.

REFERENCES:
patent: 4414946 (1983-11-01), Daumer et al.
patent: 4452200 (1984-06-01), Tsutsumi et al.
patent: 4453518 (1984-06-01), Nakamura et al.
patent: 4474151 (1984-10-01), Atago et al.
patent: 4508076 (1985-04-01), Oda et al.
patent: 4580220 (1986-04-01), Braun et al.
patent: 4584645 (1986-04-01), Kosak
patent: 4611560 (1986-09-01), Miyazaki et al.
patent: 4622936 (1986-11-01), Junginger et al.
patent: 4629907 (1986-12-01), Kosak
patent: 4763623 (1988-08-01), Sasaki
patent: 4940031 (1990-07-01), Mann

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