Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...
Patent
1983-01-28
1985-04-30
Moy, Magdalen Y. C.
Internal-combustion engines
Engine speed regulator
Having condition responsive means with engine being part of...
123501, 123425, F02M 5920
Patent
active
045137145
ABSTRACT:
A method of adjusting a plurality of fuel injection units associated with respective cylinders of a multi-cylinder diesel engine having a crankshaft operatively connected to all said cylinders is provided. Each of said fuel injection units comprises a fuel injection nozzle, a fuel injection pump connected to said nozzle and operable to discharge fuel therethrough, drive means for driving said pump, a housing accommodating said nozzle, said pump and said drive means, a capacity control element for controlling the capacity of said pump, and a timing control element for controlling the time at which said pump begins to discharge fuel through said nozzle. Said method is carried out with the aid of first sensor means connected to said engine and adapted to generate output signals representing the pressure in each of said cylinders, second sensor means connected to said engine and adapted to generate output signals representing the rotational position of said crankshaft, and indicating means connected to said first and second sensor means to receive their output signals and adapted to indicate for each of said cylinders the peak value of said pressure and the rotational position of said crankshaft at which said pressure begins to rise as a result of said combustion. Each of said fuel injection units is mounted on and operatively connected to the associated cylinder of said engine, said engine is operated under idling conditions to effect a combustion of fuel in each of said cylinders and said first control element of each of said fuel injection units is adjusted so that the pressure in each of said cylinders rises to the same peak value as a result of said combustion. Said engine is subsequently operated to effect a combustion of fuel in each of said cylinders and said second control element of each of said fuel injection units is adjusted so that said pressure in each of said cylinder begins to rise when said crankshaft is in a predetermined rotational position desired for the beginning of said combustion.
REFERENCES:
patent: 3638628 (1972-02-01), Stolworthy
patent: 3682152 (1972-08-01), Muller-Berner
patent: 4327688 (1982-05-01), Lowther
patent: 4397285 (1983-08-01), O'Neill
Dolenc Anton
Rollenitz Leopold
Kelman Kurt
Moy Magdalen Y. C.
Steyr-Daimler-Puch Aktiengesellschaft
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