Fuel injection apparatus for internal combustion engines, partic

Details Fuel injection apparatus for internal combustion engines, partic Fuel injection apparatus for internal combustion engines, partic

1979-02-22

1981-12-22

Levy, Stuart S.

Internal-combustion engines

Engine speed regulator

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

123501, F02M 3900

Patent

active

043065287

ABSTRACT:
A fuel injection apparatus for internal combustion engines, in particular food Diesel engines, including a mechanically driven injection pump, preferably embodies as a pump
ozzle assembly, in which the piston speed of the pump piston is variable for the purpose of controlling the peak pressure. By means of a control apparatus, operating in accordance with rpm, the stroke motion which is transmitted from a drive cam to the pump piston is varied by shifting the effective cam range during the fuel supply stroke, or by varying the lever ratio in the drive apparatus of the pump piston in such a manner that the piston speed, which otherwise varies in proportion to the engine speed, remains either substantially constant or is adapted to a predetermined speed variation. As an additional capability, the apparatus includes a correction apparatus which compensates for an undesired variation in the onset of the fuel supply caused by the control apparatus or corrects it to a predetermined value dependent on operating characteristics of the engine.

REFERENCES:
patent: 2831433 (1958-04-01), Seifert et al.
patent: 3796197 (1974-03-01), Locker et al.
patent: 3815564 (1974-06-01), Suda et al.
patent: 4019478 (1977-04-01), Hobo et al.
patent: 4092964 (1978-06-01), Hofer et al.
patent: 4142498 (1979-03-01), Hammond
patent: 4206734 (1980-06-01), Perr et al.

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