Electronic governor for an internal combustion engine

Details Electronic governor for an internal combustion engine Electronic governor for an internal combustion engine

1986-07-10

1987-11-24

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

290 40A, F02D 4138

Patent

active

047081120

ABSTRACT:
In an electronic governor for an internal combustion engine provided with a fuel injection pump having a control rack for adjusting fuel supply, a constant speed control signal Vnd for control to maintain the deviation of the actual speed N from a designated speed No within a permissible range, and a maximum rack position control signal VLd for control to maintain the deviation of the rack position from the maximum position for the particular speed N within a permissible range, are inputted into a control mode selector, which outputs the constant speed control signal Vnd when a speed detection signal Vn is not smaller than a designated speed signal Vno, or when the speed detection signal Vn is smaller than the designated speed signal Vno and the rack is below the maximum position, and outputs the maximum rack position control signal VLd when the speed detection signal Vn is smaller than the designated speed signal Vno and rack is above the maximum position. The output of the control mode selector is used to control the rack to cause the deviation of the actual speed N from the designated speed No or the rack position from the maximum position to be within a certain range.

REFERENCES:
patent: 4368705 (1983-01-01), Stevenson
patent: 4416232 (1983-11-01), Shiozaki
patent: 4426982 (1984-01-01), Lehner
patent: 4566068 (1986-01-01), Iwasaki
patent: 4566414 (1986-01-01), Sieber
patent: 4601270 (1986-07-01), Kimberley
patent: 4619234 (1986-10-01), Okamoto

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