Secondary air control device for internal combustion engines

Details Secondary air control device for internal combustion engines Secondary air control device for internal combustion engines

1985-10-03

1988-03-01

Cuchinski, Jr., William A.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

F02M 2310

Patent

active

047278501

ABSTRACT:
A secondary air control device for an internal combustion engine wherein the secondary air is introduced into the engine intake downstream of the carburetor in response to sudden increases in vacuum, such as upon rapid deceleration of the vehicle and in turn the engine. The device includes detectors and a circuit for controlling the operation of the secondary air control valve which prevent opening of the valve if both the engine temperature is too low and the vehicle transmission is in neutral.

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