Fuel injection pump with cavitation preventing steps along the f

Details Fuel injection pump with cavitation preventing steps along the f Fuel injection pump with cavitation preventing steps along the f

1976-10-28

1978-05-23

Croyle, Carlton R.

Pumps

Expansible chamber type

Pumping member position controlled port

123139AA, F04B 704

Patent

active

040908194

ABSTRACT:
A means of damping cyclic fuel injection pressure drop in a constant-stroke, variable delivery flow rate injection jerk-pump for an internal combustion engine, consisting in slowing down fuel pressure drop at the end of every injection cycle by increasing the added pressure head losses of fuel backflow by a reduction of the free passageway cross-sections through which the fuel flows successively on its return path from the pump working chamber to the spill port.

REFERENCES:
patent: 2696786 (1954-12-01), Fleck et al.
patent: 3552889 (1971-01-01), Curran et al.
patent: 3609070 (1971-09-01), Bagshaw
patent: 3963384 (1976-06-01), Bastenhof

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