US 2017/0363033 A1 · INTER-CONNECT CIRCUIT DEVICE FOR VEHICLE FUEL DELIVERY SYSTEM

Abstract

An inter-connect circuit (ICC) device for a fuel delivery system of a vehicle is disposed between an engine control unit (ECU) and a fuel control device. The ECU transmits a drive pulse to the fuel control device by way of a drive pulse line passing through the ICC device. The ICC device includes a housing and a sense circuit. The housing has a first side that is connectable to the ECU and a second side different from the first side that is connectable to the fuel control device. The sense circuit is disposed within the housing. The sense circuit is electrically coupled to the drive pulse line by way of a sense circuit line and is communicably coupled to the ECU by way of a data communication line.

Claims19

Dependent claims

An inter-connect circuit device for a fuel delivery system of a vehicle, the inter-connect circuit disposed between an engine control unit and a fuel control device and transmitting a drive pulse from the engine control unit to the fuel control device by way of a drive pulse line, the inter-connect circuit device comprising:

a housing having a first side and a second side, wherein the first side is connectable to the engine control unit and the second side different from the first side is connectable to the fuel control device;
and
a sense circuit disposed within the housing, wherein the sense circuit is electrically coupled to the drive pulse line by way of a sense circuit line and is communicably coupled to the engine control unit by way of a data communication line.

An inter-connect circuit device for a fuel delivery system of a vehicle, the inter-connect circuit device disposed between an engine control unit and one or more fuel injectors, the inter-connect circuit device transmitting respective drive pulse from the engine control unit to each of the fuel injectors by way of drive pulse lines, the inter-connect circuit device comprising:

a housing having an engine control unit side and a fuel injector side, wherein the engine control unit side is connectable to the engine control unit, and the fuel injector side is connectable to the fuel injectors;
and
a sense circuit disposed within the housing, wherein the sense circuit is electrically coupled to the drive pulse line for each of the fuel injectors by way of a sense circuit line and is communicably coupled to the engine control unit by way of a data communication line. 10, The inter-connect circuit device of claim 9 wherein:
the sense circuit senses a profile of each of the drive pulses transmitted through respective drive pulse lines and calculates feedback information based on the profile, and
the sense circuit transmits the feedback information to the engine control unit by way of the data communication line.

2 more elements

An inter-connect circuit device for a fuel delivery system of a vehicle, the inter-connect circuit device disposed between an engine control unit and a high pressure fuel pump, the inter-connect circuit device transmitting a drive pulse from the engine control unit to the high pressure fuel pump by way of a drive pulse line, the inter-connect circuit device comprising:

a housing having an engine control unit side and a fuel pump side, wherein the engine control unit side is connectable to the engine control unit and the fuel pump side is connectable to the fuel pump;
and
a sense circuit disposed within the housing, wherein the sense circuit is electrically coupled to the drive pulse line by way of a sense circuit line and is communicably coupled to the engine control unit by way of a data communication line.

Dependencies are inferred from the claim text.

Inter-connect circuit device for vehicle fuel delivery system

Life of this patent

Inter-connect circuit device for vehicle fuel delivery system

Life of this patent

Abstract

Claims19