Method and apparatus for controlling at least one throttle cross

Details Method and apparatus for controlling at least one throttle cross Method and apparatus for controlling at least one throttle cross

1983-06-22

1985-01-22

Cuchlinski, Jr., William A.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123339, 251133, F02M 2304

Patent

active

044945175

ABSTRACT:
A method and an apparatus for controlling at least one throttle cross section in a control line, in particular in a line carrying operating medium for an internal combustion engine, such as an air bypass around the throttle valve of the engine. The apparatus includes an electric control motor, by means of which a throttle device having a circular-segmental control section can be rotated. The control section is rotatable in a control opening intersecting the control line, and the control line and control opening are connected with one another by a throttle opening which has limiting faces. When the control motor is not excited or if the control motor should fail, the control section is rotated by a spring element against a stop, into a position in which a control edge together with the limiting face opens a first throttle cross section, which is sufficiently large to supply the engine with a sufficient quantity of air for the prevailing situation.

REFERENCES:
patent: 3347516 (1967-10-01), Linde
patent: 3475003 (1969-10-01), Paluszek
patent: 4356837 (1982-11-01), Dickinson
patent: 4412517 (1983-11-01), Kobashi et al.
patent: 4426988 (1984-01-01), Greiner et al.
patent: 4428356 (1984-01-01), Kemmner

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