Constant-pressure delivery valve for fuel injection pumps for di

Details Constant-pressure delivery valve for fuel injection pumps for di Constant-pressure delivery valve for fuel injection pumps for di

1986-07-10

1987-03-24

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

123506, 417296, 417501, F02M 5946

Patent

active

046517790

ABSTRACT:
A constant-pressure delivery valve for fuel injection pumps for diesel engines includes a conical-surface obturator to which is fixed a body forming an axial chamber containing a calibrated one-way valve with a ball obturator. The ball obturator is located on that side of the chamber facing the conical-surface obturator and controls communication between radial and axial fuel return passages formed beneath the bottom of the chamber.

REFERENCES:
patent: 1999967 (1935-04-01), Miller
patent: 3195465 (1965-07-01), Hug
patent: 3479999 (1969-11-01), Keller
patent: 4459086 (1984-07-01), Hafele
patent: 4467767 (1984-08-01), Kampichler

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