Electronic fuel injection system including transient power compensation

Claim 2

In an internal combustion engine system including an adjustable throttle member for defining the power output of the engine as a function of the position of the throttle member, the combination comprising: a variable inductor; means connecting the throttle member with the inductor for varying the inductance of the inductor in response to a change in the position of the throttle member; and means connected with the inductor for energizing the inductor with a control current having a linearly varying magnitude to develop a throttle voltage across the inductor having an amplitude directly proportional to the inductance of the inductor; and means including fuel injection means connected between the inductor and the engine for regulating the amount of fuel applied to the engine in response to the amplitude of the throttle voltage so that the delivery of fuel to the engine is controlled in dependence upon movement of the throttle memeber.

Claim 3

In an internal combustion engine system including an adjustable throttle member for defining the power output of the engine as a function of the position of the throttle member, the combination comprising: a variable inductor for developing a throttle voltage thereacross; means including dashpot means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; means connected with the inductor for energizing the inductor with a control current having a magnitude which varies at a constant rate of change so that the amplitude of the throttle voltage is directly proportional to the rate of change in the position of the throttle member; and means including fuel injection means connected between the inductor and the engine for controlling the amount of fuel delivered to the engine in response to the amplitude of the throttle voltage so that the application of fuel to the engine is regulated in accordance with the rate of change in the position of the throttle member.

Claim 4

In an internal combustion engine system including an adjustable throttle member for defining the power output of the engine as a function of the position of the throttle member, the combination comprising: a variable inductor for developing a throttle voltage thereacross; means including dashpot means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; means connected with the inductor for energizing the inductor with a control current having a magnitude which varies at a constant rate of change so that the amplitude of the throttle voltage is directly proportional to the rate of change in the position of the throttle member; and means including fuel injection means connected between the inductor and the engine for controlling the amount of fuel delivered to the engine in response to the amplitude of the throttle voltage so that the application of fuel to the engine is regulated in accordance with the rate of change in the position of the throttle member.

Claim 5

In an internal combustion engine system including an adjustable throttle member for defining the power output of the engine as a functIon of the position of the throttle member, the combination comprising: a variable inductor for developing a throttle voltage thereacross; position sensor means including dashpot means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; current regulator means connected to the inductor for energizing the inductor with a control current having a magnitude which varies at a constant rate of change so that the amplitude of the throttle voltage is directly proportional to the rate of change in the position of the throttle member; speed sensor means connected with the engine for developing a speed voltage having an amplitude directly proportional to the speed of the engine; and means including fuel injection means connected with the engine and connected with the speed sensor means and the inductor for controlling the amount of fuel applied to the engine in response to the amplitude of the throttle voltage and in response to the amplitude of the speed voltage so that the delivery of fuel to the engine is regulated in accordance with the rate of change in the position of the throttle member and in accordance with the speed of the engine.

Claim 6

In an internal combustion engine system including an adjustable throttle member for defining the power output of the engine as a functIon of the position of the throttle member, the combination comprising: a variable inductor for developing a throttle voltage thereacross; position sensor means including dashpot means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; current regulator means connected to the inductor for energizing the inductor with a control current having a magnitude which varies at a constant rate of change so that the amplitude of the throttle voltage is directly proportional to the rate of change in the position of the throttle member; speed sensor means connected with the engine for developing a speed voltage having an amplitude directly proportional to the speed of the engine; and means including fuel injection means connected with the engine and connected with the speed sensor means and the inductor for controlling the amount of fuel applied to the engine in response to the amplitude of the throttle voltage and in response to the amplitude of the speed voltage so that the delivery of fuel to the engine is regulated in accordance with the rate of change in the position of the throttle member and in accordance with the speed of the engine.

Claim 7

In an internal combustion engine system including a throttle member having an adjustable position; control pulse generator means for producing control pulses in synchronization with the operation of the engine, the control pulse generator means cooperating with the throttle member to define the duration of the control pulses as a function of the position of the throttle member, the control pulse generator means including bias voltage generator means for also defining the duration of the control pulses as a function of the amplitude of a bias voltage; and fuel injection means connected between the control pulse generator means and the engine for applying fuel to the engine for the duration of each of the control pulses; the combination comprising: a variable inductor for developing a throttle voltage thereacross; position sensor means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; current regulator means connected with the inductor for energizing the inductor with a control current having a linearly varying magnitude such that the throttle voltage is directly proportional to the rate of change in the position of the throttle member; and bias voltage modifier means connected between the inductor and the bias voltage generator means for altering the amplitude of the bias voltage as a function of the amplitude of the throttle voltage thereby to tailor the amount of fuel delivered to the engine in response to the rate of change in the position of the throttle member.

Claim 8

In an internal combustion engine system including a throttle member having an adjustable position; control pulse generator means for producing control pulses in synchronization with the operation of the engine, the control pulse generator means cooperating with the throttle member to define the duration of the control pulses as a function of the position of the throttle member, the control pulse generator means including bias voltage generator means for also defining the duration of the control pulses as a function of the amplitude of a bias voltage; and fuel injection means connected between the control pulse generator means and the engine for applying fuel to the engine for the duration of each of the control pulses; the combination comprising: a variable inductor for developing a throttle voltage thereacross; position sensor means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; current regulator means connected with the inductor for energizing the inductor with a control current having a linearly varying magnitude such that the throttle voltage is directly proportional to the rate of change in the position of the throttle member; and bias voltage modifier means connected between the inductor and the bias voltage generator means for altering the amplitude of the bias voltage as a function of the amplitude of the throttle voltage thereby to tailor the amount of fuel delivered to the engine in response to the rate of change in the position of the throttle member.

Claim 9

In an internal combustion engine system including timing pulse generator means for producing timing pulses having a frequency proportional to the speed of the engine; a throttle member having a variable position; control pulse generator means for producing control pulses in response to the occurrence of the timing pulses, the control pulse generator means cooperating with the throttle member for defining the duration of the control pulses as a function of the position of the throttle member, the control pulse generator means including bias voltage generator means for also defining the duration of the control pulses as a function of the level of a bias voltage; and fuel injection means connected between the control pulse generator means and the engine for applying fuel to the engine for the duration of each of the control pulses; the combination comprising: a variable inductor for developing a throttle voltage thereacross; position sensor means including dashpot means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; current regulator means connected to the inductor for energizing the inductor with a control current having a magnitude which varies at a constant rate of change so that the amplitude of the throttle voltage is directly proportional to the rate of change in the position of the throttle member; speed sensor means connected with the timing pulse generator means for developing a speed voltage having an amplitude proportional to the frequency of the timing pulses; and bias voltage modifier means connected between the inductor and the bias voltage generator means for altering the level of the bias voltage in response to the amplitude of the throttle voltage and in response to the amplitude of the speed voltage so that the delivery of fuel to the engine is regulated in accordance with the rate of change in the position of the throttle member and in accordance with the speed of the engine.

Claim 10

In an internal combustion engine system including timing pulse generator means for producing timing pulses having a frequency proportional to the speed of the engine; a throttle member having a variable position; control pulse generator means for producing control pulses in response to the occurrence of the timing pulses, the control pulse generator means cooperating with the throttle member for defining the duration of the control pulses as a function of the position of the throttle member, the control pulse generator means including bias voltage generator means for also defining the duration of the control pulses as a function of the level of a bias voltage; and fuel injection means connected between the control pulse generator means and the engine for applying fuel to the engine for the duration of each of the control pulses; the combination comprising: a variable inductor for developing a throttle voltage thereacross; position sensor means including dashpot means connected between the throttle member and the inductor for varying the inductance of the inductor in direct proportion to the rate of change in the position of the throttle member; current regulator means connected to the inductor for energizing the inductor with a control current having a magnitude which varies at a constant rate of change so that the amplitude of the throttle voltage is directly proportional to the rate of change in the position of the throttle member; speed sensor means connected with the timing pulse generator means for developing a speed voltage having an amplitude proportional to the frequency of the timing pulses; and bias voltage modifier means connected between the inductor and the bias voltage generator means for altering the level of the bias voltage in response to the amplitude of the throttle voltage and in response to the amplitude of the speed voltage so that the delivery of fuel to the engine is regulated in accordance with the rate of change in the position of the throttle member and in accordance with the speed of the engine.