Diesel engine fuel property determining device and controller

Details Diesel engine fuel property determining device and controller Diesel engine fuel property determining device and controller

1996-10-30

1998-01-13

Moulis, Thomas N.

Internal-combustion engines

Engine speed regulator

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

123446, 123501, F02M 3704, F02D 700

Patent

active

057067805

ABSTRACT:
In a diesel engine comprising a fuel injection pump which supplies pressurized fuel by a plunger to a fuel injection nozzle, fuel properties such as fuel viscosity are determined. A fuel supply start timing by the plunger and fuel injection start timing by the fuel injection nozzle are respectively detected, a difference between them is computed as an injection retardation period, and the fuel viscosity is determined based on the injection retardation period. A fuel injection amount, injection timing or exhaust recirculation amount are corrected based on the determined fuel viscosity, therefore errors in their control do not arise due to differences of fuel viscosity.

REFERENCES:
patent: 4493302 (1985-01-01), Kawamura
patent: 4766864 (1988-08-01), Ban et al.
patent: 4869218 (1989-09-01), Fehlmann et al.
patent: 5357912 (1994-10-01), Barnes et al.
patent: 5423302 (1995-06-01), Glassey
patent: 5445129 (1995-08-01), Barnes
patent: 5617831 (1997-04-01), Shirakawa

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