Internal-combustion engines – Charge forming device – With fuel pump
Patent
1987-10-05
1989-03-14
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
With fuel pump
123500, 123495, 417289, F02M 3900
Patent
active
048117161
ABSTRACT:
A fuel injection pump for internal combustion engines having at least one pump element comprising a housing, a cylinder liner in the housing, a pump piston operative in the cylinder liner, a recess in the cylinder liner having a radial entrance, for a control slide which controls injection onset during axial displacement on the pump piston. In the vicinity of the entrance to the recess which discharges into the pump work chamber, an apron is disposed on the control slide or on the cylinder liner, in order to cover a portion of a radial three-dimensional gap present between the control slide and the cylinder liner. By this means, the diverted fuel stream that is reflected by the side walls can be interrupted and reflected at least one additional time, so as thereby to reduce its kinetic energy.
REFERENCES:
patent: 4445828 (1984-05-01), Sontheimer
patent: 4587940 (1986-05-01), Schmid
patent: 4630586 (1986-12-01), Guntert
patent: 4661051 (1987-04-01), Nakamura et al.
patent: 4705005 (1987-10-01), Guntert
patent: 4706626 (1987-11-01), Hafele
patent: 4721442 (1988-01-01), Tanaka
patent: 4737086 (1988-04-01), Yamaguchi
patent: 4754737 (1988-07-01), Ishida
Guntert Josef
Warga Johann
Greigg Edwin E.
Miller Carl Stuart
Robert & Bosch GmbH
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