Method of controlling the operating characteristic quantities of

Details Method of controlling the operating characteristic quantities of Method of controlling the operating characteristic quantities of

1986-06-03

1987-10-20

Wolfe, Jr., Willis R.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123324, 123585, 123198DB, 123333, F02D 4112, F02D 3500

Patent

active

047006730

ABSTRACT:
A method for controlling the operating characteristics of an internal combustion engine is disclosed. An injection signal for metering fuel and an idling charge signal for the supply of idling air are present. Engine overrun is also recognized in this method. To diminish the bucking ordinarily occurring during the transition to overrun, after the overrunning is recognized the supply of idling air is first reduced, and then the fuel metering to the engine is interrrupted. This affords the advantage that the transition to the overrun mode of operation occurs precisely at the time when the engine has the least possible torque. An analogous procedure is described for the resumption of normal operation following overrun.

REFERENCES:
patent: 3690305 (1972-09-01), Shimada et al.
patent: 4291656 (1981-09-01), Miyagi
patent: 4322947 (1982-04-01), Wossner et al.
patent: 4572125 (1986-02-01), Kratt
patent: 4572126 (1986-02-01), Arnold et al.
patent: 4619230 (1986-10-01), Collonia

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